系统初始化脚本（不同系统）

CentOS、Ubuntu、Rocky Linux系统初始化脚本

收录于合集#shell18个

CentOS、Ubuntu、Rocky Linux系统初始化脚本

 

Shell脚本源码地址：https://gitee.com/raymond9/shell

版本功能
v5版更新内容 1.优化了某些镜像仓库失效的bug；
  2.CentOS stream 9和Rocky 9修改ip的方式更改，做了相应的修改；
  3.分别有reset_v5_1版本（镜像仓库采用sed直接替换网址方式；修改ip地址采用nmcli命令方式）和reset_v5_2版本（镜像仓库和修改ip地址采用配置文件方式）；
  4.把设置PS1、设置默认文本编辑器为vim和设置history格式单独分开；
  5.修改了某些bug。
v4版更新内容 1.添加对CentOS stream 9、Rocky 9和Ubuntu 22.04系统的支持；
  2.添加Ubuntu 22.04修改IP地址和网关地址、双网卡更改IP地址；
  3.添加禁用ctrl+alt+del重启功能；
  4.修改了某些bug。
v3版更新内容 1.添加双网卡更改IP地址；
  2.添加设置系统时区。
v2版更新内容 1.添加对CentOS stream 8系统支持，添加了CentOS stream 8镜像仓库；
  2.由于CentOS 8已被废弃，修改成centos-vault的历史镜像仓库；
  3.优化Ubuntu 20.04禁用swap不生效的问题。
v1版支持功能 1.支持CentOS 6/7/8、Ubuntu 18.04/20.04、Rocky 8系统；
  2.支持功能禁用SELinux、关闭防火墙、优化SSH、设置系统别名、设置vimrc配置文件、设置软件包仓库、Minimal安装建议安装软件、安装邮件服务并配置邮件、更改SSH端口号、修改网卡名、修改IP地址和网关地址、设置主机名、设置PS1和系统环境变量、禁用SWAP、优化内核参数、优化资源限制参数、Ubuntu设置root用户登录、Ubuntu卸载无用软件包。

 

[root@rocky9 ~]# cat reset_v5_1.sh#!/bin/bash##***************************************************************************************************#Author:        Raymond#QQ:            88563128#Date:          2023-01-29#FileName:      reset_v5_1.sh#URL:           raymond.blog.csdn.net#Description:   reset for CentOS 6/7/8 & CentOS Stream 8/9 & Ubuntu 18.04/20.04/22.04 & Rocky 8/9#Copyright (C): 2023 All rights reserved#**************************************************************************************************COLOR="echo -e \\033[01;31m"END='\033[0m'
os(){    if grep -Eqi "Centos"  /etc/issue && [ $(sed -rn 's#^.* ([0-9]+)\..*#\1#p' /etc/redhat-release) == 6 ] ;then        OS_ID=`sed -rn 's#^([[:alpha:]]+) .*#\1#p' /etc/redhat-release`        OS_RELEASE=`sed -rn 's#^.* ([0-9.]+).*#\1#p' /etc/redhat-release`        OS_RELEASE_VERSION=`sed -rn 's#^.* ([0-9]+)\..*#\1#p' /etc/redhat-release`    else        OS_ID=`sed -rn '/^NAME=/s@.*="([[:alpha:]]+).*"$@\1@p' /etc/os-release`        OS_NAME=`sed -rn '/^NAME=/s@.*="([[:alpha:]]+) (.*)"$@\2@p' /etc/os-release`        OS_RELEASE=`sed -rn '/^VERSION_ID=/s@.*="?([0-9.]+)"?@\1@p' /etc/os-release`        OS_RELEASE_VERSION=`sed -rn '/^VERSION_ID=/s@.*="?([0-9]+)\.?.*"?@\1@p' /etc/os-release`    fi}
disable_selinux(){    if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then        if [ `getenforce` == "Enforcing" ];then            sed -ri.bak 's/^(SELINUX=).*/\1disabled/' /etc/selinux/config            ${COLOR}"${OS_ID} ${OS_RELEASE} SELinux已禁用,请重新启动系统后才能生效!"${END}        else            ${COLOR}"${OS_ID} ${OS_RELEASE} SELinux已被禁用,不用设置!"${END}        fi    else        ${COLOR}"${OS_ID} ${OS_RELEASE} SELinux默认没有安装,不用设置!"${END}    fi}
disable_firewall(){    if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then        rpm -q firewalld &> /dev/null && { systemctl disable --now firewalld &> /dev/null; ${COLOR}"${OS_ID} ${OS_RELEASE} Firewall防火墙已关闭!"${END}; } || { service iptables stop ; chkconfig iptables off; ${COLOR}"${OS_ID} ${OS_RELEASE} iptables防火墙已关闭!"${END}; }    else        dpkg -s ufw &> /dev/null && { systemctl disable --now ufw &> /dev/null; ${COLOR}"${OS_ID} ${OS_RELEASE} ufw防火墙已关闭!"${END}; } || ${COLOR}"${OS_ID} ${OS_RELEASE}  没有ufw防火墙服务,不用关闭！"${END}    fi}
optimization_sshd(){    if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then        sed -ri.bak -e 's/^#(UseDNS).*/\1 no/' -e 's/^(GSSAPIAuthentication).*/\1 no/' /etc/ssh/sshd_config    else        sed -ri.bak -e 's/^#(UseDNS).*/\1 no/' -e 's/^#(GSSAPIAuthentication).*/\1 no/' /etc/ssh/sshd_config    fi    if [ ${OS_RELEASE_VERSION} == "6" ];then        service sshd restart    else        systemctl restart sshd    fi    ${COLOR}"${OS_ID} ${OS_RELEASE} SSH已优化完成!"${END}}
set_centos_alias(){    if [ ${OS_RELEASE_VERSION} == "6" -o ${OS_RELEASE_VERSION} == "7" -o ${OS_RELEASE_VERSION} == "8" ];then        cat >>~/.bashrc <<-EOFalias cdnet="cd /etc/sysconfig/network-scripts"alias vie0="vim /etc/sysconfig/network-scripts/ifcfg-eth0"alias vie1="vim /etc/sysconfig/network-scripts/ifcfg-eth1"alias scandisk="echo '- - -' > /sys/class/scsi_host/host0/scan;echo '- - -' > /sys/class/scsi_host/host1/scan;echo '- - -' > /sys/class/scsi_host/host2/scan"EOF    else        cat >>~/.bashrc <<-EOFalias cdnet="cd /etc/NetworkManager/system-connections"alias vie0="vim /etc/NetworkManager/system-connections/eth0.nmconnection"alias vie1="vim /etc/NetworkManager/system-connections/eth1.nmconnection"alias scandisk="echo '- - -' > /sys/class/scsi_host/host0/scan;echo '- - -' > /sys/class/scsi_host/host1/scan;echo '- - -' > /sys/class/scsi_host/host2/scan"EOF    fi    ${COLOR}"${OS_ID} ${OS_RELEASE} 系统别名已设置成功,请重新登陆后生效!"${END}}
set_ubuntu_alias(){    cat >>~/.bashrc <<-EOFalias cdnet="cd /etc/netplan"alias scandisk="echo '- - -' > /sys/class/scsi_host/host0/scan;echo '- - -' > /sys/class/scsi_host/host1/scan;echo '- - -' > /sys/class/scsi_host/host2/scan"EOF    ${COLOR}"${OS_ID} ${OS_RELEASE} 系统别名已设置成功,请重新登陆后生效!"${END}}
set_alias(){    if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then        if grep -Eqi "(.*cdnet|.*vie0|.*vie1|.*scandisk)" ~/.bashrc;then            sed -i -e '/.*cdnet/d'  -e '/.*vie0/d' -e '/.*vie1/d' -e '/.*scandisk/d' ~/.bashrc            set_centos_alias        else            set_centos_alias        fi    fi    if [ ${OS_ID} == "Ubuntu" ];then        if grep -Eqi "(.*cdnet|.*scandisk)" ~/.bashrc;then            sed -i -e '/.*cdnet/d' -e '/.*scandisk/d' ~/.bashrc            set_ubuntu_alias        else            set_ubuntu_alias        fi    fi}
set_vimrc(){    read -p "请输入作者名: " AUTHOR    read -p "请输入QQ号: " QQ    read -p "请输入网址: " V_URL    cat >~/.vimrc <<-EOFset ts=4set expandtabset ignorecaseset cursorlineset autoindentautocmd BufNewFile *.sh exec ":call SetTitle()"func SetTitle()    if expand("%:e") == 'sh'    call setline(1,"#!/bin/bash")    call setline(2,"#")    call setline(3,"#**********************************************************************************************")    call setline(4,"#Author:        ${AUTHOR}")    call setline(5,"#QQ:            ${QQ}")    call setline(6,"#Date:          ".strftime("%Y-%m-%d"))    call setline(7,"#FileName:      ".expand("%"))    call setline(8,"#URL:           ${V_URL}")    call setline(9,"#Description:   The test script")    call setline(10,"#Copyright (C): ".strftime("%Y")." All rights reserved")    call setline(11,"#*********************************************************************************************")    call setline(12,"")    endifendfuncautocmd BufNewFile * normal GEOF    ${COLOR}"${OS_ID} ${OS_RELEASE} vimrc设置完成,请重新系统启动才能生效!"${END}}
aliyun(){    URL=mirrors.aliyun.com}
huawei(){    URL=repo.huaweicloud.com}
tencent(){    URL=mirrors.tencent.com}
tuna(){    URL=mirrors.tuna.tsinghua.edu.cn}
netease(){    URL=mirrors.163.com}
sohu(){    URL=mirrors.sohu.com}
nju(){    URL=mirrors.nju.edu.cn}
ustc(){    URL=mirrors.ustc.edu.cn}
sjtu(){    URL=mirrors.sjtug.sjtu.edu.cn}
fedora(){    URL=archives.fedoraproject.org}
set_yum_rocky8_9(){    sed -i.bak -e 's|^mirrorlist=|#mirrorlist=|g' -e 's|^#baseurl=http://dl.rockylinux.org/$contentdir|baseurl=https://'${URL}'/rocky|g' /etc/yum.repos.d/[Rr]ocky*.repo    ${COLOR}"更新镜像源中,请稍等..."${END}    dnf clean all &> /dev/null    dnf makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} YUM源设置完成!"${END}}
set_yum_rocky8_9_2(){    sed -i.bak -e 's|^mirrorlist=|#mirrorlist=|g' -e 's|^#baseurl=http://dl.rockylinux.org/$contentdir|baseurl=https://'${URL}'/rockylinux|g' /etc/yum.repos.d/[Rr]ocky*.repo    ${COLOR}"更新镜像源中,请稍等..."${END}    dnf clean all &> /dev/null    dnf makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} YUM源设置完成!"${END}}
set_yum_centos_stream9(){    [ -d /etc/yum.repos.d/backup ] || mkdir /etc/yum.repos.d/backup    mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/backup    cat > /etc/yum.repos.d/base.repo <<-EOF[BaseOS]name=BaseOSbaseurl=https://${URL}/centos-stream/\$stream/BaseOS/\$basearch/os/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
[AppStream]name=AppStreambaseurl=https://${URL}/centos-stream/\$stream/AppStream/\$basearch/os/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
[extras-common]name=extras-commonbaseurl=https://${URL}/centos-stream/SIGs/\$stream/extras/\$basearch/extras-common/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficialEOF    ${COLOR}"更新镜像源中,请稍等..."${END}    dnf clean all &> /dev/null    dnf makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} YUM源设置完成!"${END}}
set_yum_centos_stream8(){    sed -i.bak -e 's|^mirrorlist=|#mirrorlist=|g' -e 's|^#baseurl=http://mirror.centos.org/$contentdir|baseurl=https://'${URL}'/centos|g' /etc/yum.repos.d/CentOS-*.repo    ${COLOR}"更新镜像源中,请稍等..."${END}    dnf clean all &> /dev/null    dnf makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} YUM源设置完成!"${END}}
set_yum_centos8(){    sed -i.bak -e 's|^mirrorlist=|#mirrorlist=|g' -e 's|^#baseurl=http://mirror.centos.org/$contentdir|baseurl=https://'${URL}'/centos-vault/centos|g' /etc/yum.repos.d/CentOS-*.repo    ${COLOR}"更新镜像源中,请稍等..."${END}    dnf clean all &> /dev/null    dnf makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} YUM源设置完成!"${END}}
set_epel_centos8_9(){    cat > /etc/yum.repos.d/epel.repo <<-EOF[epel]name=epelbaseurl=https://${URL}/epel/\$releasever/Everything/\$basearch/gpgcheck=1gpgkey=https://${URL}/epel/RPM-GPG-KEY-EPEL-\$releaseverEOF    ${COLOR}"更新镜像源中,请稍等..."${END}    dnf clean all &> /dev/null    dnf makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}}
set_epel_2_centos8_9(){    cat > /etc/yum.repos.d/epel.repo <<-EOF[epel]name=epelbaseurl=https://${URL}/fedora-epel/\$releasever/Everything/\$basearch/gpgcheck=1gpgkey=https://${URL}/fedora-epel/RPM-GPG-KEY-EPEL-\$releaseverEOF    ${COLOR}"更新镜像源中,请稍等..."${END}    dnf clean all &> /dev/null    dnf makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}}
set_epel_3_centos8_9(){    cat > /etc/yum.repos.d/epel.repo <<-EOF[epel]name=epelbaseurl=https://${URL}/fedora/epel/\$releasever/Everything/\$basearch/gpgcheck=1gpgkey=https://${URL}/fedora/epel/RPM-GPG-KEY-EPEL-\$releaseverEOF    ${COLOR}"更新镜像源中,请稍等..."${END}    dnf clean all &> /dev/null    dnf makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}}
set_yum_centos7(){    sed -i.bak -e 's|^mirrorlist=|#mirrorlist=|g' -e 's|^#baseurl=http://mirror.centos.org|baseurl=https://'${URL}'|g' /etc/yum.repos.d/CentOS-*.repo    ${COLOR}"更新镜像源中,请稍等..."${END}    yum clean all &> /dev/null    yum makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} YUM源设置完成!"${END}}
set_epel_centos7(){    cat > /etc/yum.repos.d/epel.repo <<-EOF[epel]name=epelbaseurl=https://${URL}/epel/\$releasever/\$basearch/gpgcheck=1gpgkey=https://${URL}/epel/RPM-GPG-KEY-EPEL-\$releaseverEOF    ${COLOR}"更新镜像源中,请稍等..."${END}    yum clean all &> /dev/null    yum makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}}
set_epel_2_centos7(){    cat > /etc/yum.repos.d/epel.repo <<-EOF[epel]name=epelbaseurl=https://${URL}/fedora-epel/\$releasever/\$basearch/gpgcheck=1gpgkey=https://${URL}/fedora-epel/RPM-GPG-KEY-EPEL-\$releaseverEOF    ${COLOR}"更新镜像源中,请稍等..."${END}    yum clean all &> /dev/null    yum makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}}
set_epel_3_centos7(){    cat > /etc/yum.repos.d/epel.repo <<-EOF[epel]name=epelbaseurl=https://${URL}/fedora/epel/\$releasever/\$basearch/gpgcheck=1gpgkey=https://${URL}/fedora/epel/RPM-GPG-KEY-EPEL-\$releaseverEOF    ${COLOR}"更新镜像源中,请稍等..."${END}    yum clean all &> /dev/null    yum makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}}
set_yum_centos6(){    sed -i.bak -e 's|^mirrorlist=|#mirrorlist=|g' -e 's|^#baseurl=http://mirror.centos.org|baseurl=https://'${URL}'/centos-vault|g' /etc/yum.repos.d/CentOS-*.repo    ${COLOR}"更新镜像源中,请稍等..."${END}    yum clean all &> /dev/null    yum makecache  &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} YUM源设置完成!"${END}}
set_epel_centos6(){    cat > /etc/yum.repos.d/epel.repo <<-EOF[epel]name=epelbaseurl=https://${URL}/epel/\$releasever/\$basearch/gpgcheck=1gpgkey=https://${URL}/epel/RPM-GPG-KEY-EPEL-\$releaseverEOF    ${COLOR}"更新镜像源中,请稍等..."${END}    yum clean all &> /dev/null    yum makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}}
set_epel_2_centos6(){    cat > /etc/yum.repos.d/epel.repo <<-EOF[epel]name=epelbaseurl=https://${URL}/pub/archive/epel/\$releasever/\$basearch/gpgcheck=1gpgkey=https://$(tencent)/epel/RPM-GPG-KEY-EPEL-\$releaseverEOF    ${COLOR}"更新镜像源中,请稍等..."${END}    yum clean all &> /dev/null    yum makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}}
rocky8_9_base_menu(){    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF1)阿里镜像源2)网易镜像源3)搜狐镜像源4)南京大学镜像源5)中科大镜像源6)上海交通大学镜像源7)退出EOF        echo -e '\E[0m'
        read -p "请输入镜像源编号(1-7): " NUM        case ${NUM} in        1)            aliyun            set_yum_rocky8_9_2            ;;        2)            netease            set_yum_rocky8_9            ;;        3)            sohu            set_yum_rocky8_9            ;;        4)            nju            set_yum_rocky8_9            ;;        5)            ustc            set_yum_rocky8_9            ;;        6)            sjtu            set_yum_rocky8_9            ;;        7)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-7)!"${END}            ;;        esac    done}
centos_stream9_base_menu(){    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF1)阿里镜像源2)清华镜像源3)南京大学镜像源4)中科大镜像源5)退出EOF        echo -e '\E[0m'
        read -p "请输入镜像源编号(1-5): " NUM        case ${NUM} in        1)            aliyun            set_yum_centos_stream9            ;;        2)            tuna            set_yum_centos_stream9            ;;        3)            nju            set_yum_centos_stream9            ;;        4)            ustc            set_yum_centos_stream9            ;;        5)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-5)!"${END}            ;;        esac    done}
centos_stream8_base_menu(){    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF1)阿里镜像源2)华为镜像源3)腾讯镜像源4)清华镜像源5)网易镜像源6)南京大学镜像源7)中科大镜像源8)退出EOF        echo -e '\E[0m'
        read -p "请输入镜像源编号(1-8): " NUM        case ${NUM} in        1)            aliyun            set_yum_centos_stream8            ;;        2)            huawei            set_yum_centos_stream8            ;;        3)            tencent            set_yum_centos_stream8            ;;        4)            tuna            set_yum_centos_stream8            ;;        5)            netease            set_yum_centos_stream8            ;;        6)            nju            set_yum_centos_stream8            ;;        7)            ustc            set_yum_centos_stream8            ;;        8)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-8)!"${END}            ;;        esac    done}
centos8_base_menu(){    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF1)阿里镜像源2)腾讯镜像源3)清华镜像源4)网易镜像源5)南京大学镜像源6)中科大镜像源7)退出EOF        echo -e '\E[0m'
        read -p "请输入镜像源编号(1-7): " NUM        case ${NUM} in        1)            aliyun            set_yum_centos8            ;;        2)            tencent            set_yum_centos8            ;;        3)            tuna            set_yum_centos8            ;;        4)            netease            set_yum_centos8            ;;        5)            nju            set_yum_centos8            ;;        6)            ustc            set_yum_centos8            ;;        7)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-7)!"${END}            ;;        esac    done}
centos7_base_menu(){    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF1)阿里镜像源2)华为镜像源3)腾讯镜像源4)清华镜像源5)网易镜像源6)南京大学镜像源7)中科大镜像源8)退出EOF        echo -e '\E[0m'
        read -p "请输入镜像源编号(1-8): " NUM        case ${NUM} in        1)            aliyun            set_yum_centos7            ;;        2)            huawei            set_yum_centos7            ;;        3)            tencent            set_yum_centos7            ;;        4)            tuna            set_yum_centos7            ;;        5)            netease            set_yum_centos7            ;;        6)            nju            set_yum_centos7            ;;        7)            ustc            set_yum_centos7            ;;        8)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-8)!"${END}            ;;        esac    done}
centos6_base_menu(){    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF1)阿里镜像源2)华为镜像源3)腾讯镜像源4)清华镜像源5)网易镜像源6)南京大学镜像源7)中科大镜像源8)退出EOF        echo -e '\E[0m'
        read -p "请输入镜像源编号(1-8): " NUM        case ${NUM} in        1)            aliyun            set_yum_centos6            ;;        2)            huawei            set_yum_centos6            ;;        3)            tencent            set_yum_centos6            ;;        4)            tuna            set_yum_centos6            ;;        5)            netease            set_yum_centos6            ;;        6)            nju            set_yum_centos6            ;;        7)            ustc            set_yum_centos6            ;;        8)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-8)!"${END}            ;;        esac    done}
centos8_9_epel_menu(){    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF1)阿里镜像源2)华为镜像源3)腾讯镜像源4)清华镜像源5)搜狐镜像源6)南京大学镜像源7)中科大镜像源8)上海交通大学镜像源9)退出EOF        echo -e '\E[0m'
        read -p "请输入镜像源编号(1-9): " NUM        case ${NUM} in        1)            aliyun            set_epel_centos8_9            ;;        2)            huawei            set_epel_centos8_9            ;;        3)            tencent            set_epel_centos8_9            ;;        4)            tuna            set_epel_centos8_9            ;;        5)            sohu            set_epel_2_centos8_9            ;;        6)            nju            set_epel_centos8_9            ;;        7)            ustc            set_epel_centos8_9            ;;        8)            sjtu            set_epel_3_centos8_9            ;;        9)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-9)!"${END}            ;;        esac    done}
centos7_epel_menu(){    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF1)阿里镜像源2)华为镜像源3)腾讯镜像源4)清华镜像源5)搜狐镜像源6)南京大学镜像源7)中科大镜像源8)上海交通大学镜像源9)退出EOF        echo -e '\E[0m'
        read -p "请输入镜像源编号(1-9): " NUM        case ${NUM} in        1)            aliyun            set_epel_centos7            ;;        2)            huawei            set_epel_centos7            ;;        3)            tencent            set_epel_centos7            ;;        4)            tuna            set_epel_centos7            ;;        5)            sohu            set_epel_2_centos7            ;;        6)            nju            set_epel_centos7            ;;        7)            ustc            set_epel_centos7            ;;        8)            sjtu            set_epel_3_centos7            ;;        9)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-9)!"${END}            ;;        esac    done}
centos6_epel_menu(){    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF1)腾讯镜像源2)Fedora镜像源3)退出EOF        echo -e '\E[0m'
        read -p "请输入镜像源编号(1-3): " NUM        case ${NUM} in        1)            tencent            set_epel_centos6            ;;        2)            fedora            set_epel_2_centos6            ;;        3)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-3)!"${END}            ;;        esac    done}
rocky_menu(){    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF1)base仓库2)epel仓库3)退出EOF        echo -e '\E[0m'
        read -p "请输入镜像源编号(1-3): " NUM        case ${NUM} in        1)            rocky8_9_base_menu            ;;        2)            centos8_9_epel_menu            ;;        3)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-3)!"${END}            ;;        esac    done}
centos_menu(){    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF1)base仓库2)epel仓库3)退出EOF        echo -e '\E[0m'
        read -p "请输入镜像源编号(1-3): " NUM        case ${NUM} in        1)            if [ ${OS_RELEASE_VERSION} == "6" ];then                centos6_base_menu            elif [ ${OS_NAME} == "Stream" ];then                if [ ${OS_RELEASE_VERSION} == "8" ];then                    centos_stream8_base_menu                else                    centos_stream9_base_menu                fi            elif [ ${OS_RELEASE_VERSION} == "8" -a ${OS_NAME} == "Linux" ];then                centos8_base_menu            else                centos7_base_menu            fi            ;;        2)            if [ ${OS_RELEASE_VERSION} == "8" -o ${OS_RELEASE_VERSION} == "9" ];then                centos8_9_epel_menu            elif [ ${OS_RELEASE_VERSION} == "7" ];then                centos7_epel_menu            else                centos6_epel_menu            fi            ;;        3)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-3)!"${END}            ;;        esac    done}
set_apt(){    mv /etc/apt/sources.list /etc/apt/sources.list.bak    cat > /etc/apt/sources.list <<-EOFdeb http://${URL}/ubuntu/ $(lsb_release -cs) main restricted universe multiversedeb-src http://${URL}/ubuntu/ $(lsb_release -cs) main restricted universe multiverse
deb http://${URL}/ubuntu/ $(lsb_release -cs)-security main restricted universe multiversedeb-src http://${URL}/ubuntu/ $(lsb_release -cs)-security main restricted universe multiverse
deb http://${URL}/ubuntu/ $(lsb_release -cs)-updates main restricted universe multiversedeb-src http://${URL}/ubuntu/ $(lsb_release -cs)-updates main restricted universe multiverse
deb http://${URL}/ubuntu/ $(lsb_release -cs)-proposed main restricted universe multiversedeb-src http://${URL}/ubuntu/ $(lsb_release -cs)-proposed main restricted universe multiverse
deb http://${URL}/ubuntu/ $(lsb_release -cs)-backports main restricted universe multiversedeb-src http://${URL}/ubuntu/ $(lsb_release -cs)-backports main restricted universe multiverseEOF    ${COLOR}"更新镜像源中,请稍等..."${END}    apt update &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} APT源设置完成!"${END}}
apt_menu(){    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF1)阿里镜像源2)华为镜像源3)腾讯镜像源4)清华镜像源5)网易镜像源6)南京大学镜像源7)中科大镜像源8)上海交通大学镜像源9)退出EOF        echo -e '\E[0m'
        read -p "请输入镜像源编号(1-9): " NUM        case ${NUM} in        1)            aliyun            set_apt            ;;        2)            huawei            set_apt            ;;        3)            tencent            set_apt            ;;        4)            tuna            set_apt            ;;        5)            netease            set_apt            ;;        6)            nju            set_apt            ;;        7)            ustc            set_apt            ;;        8)            sjtu            set_apt            ;;        9)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-9)!"${END}            ;;        esac    done}
set_mirror_repository(){    if [ ${OS_ID} == "CentOS" ];then        centos_menu    elif [ ${OS_ID} == "Rocky" ];then        rocky_menu    else        apt_menu    fi}
centos_minimal_install(){    ${COLOR}'开始安装“Minimal安装建议安装软件包”,请稍等......'${END}    yum -y install gcc make autoconf gcc-c++ glibc glibc-devel pcre pcre-devel openssl openssl-devel systemd-devel zlib-devel vim lrzsz tree tmux lsof tcpdump wget net-tools iotop bc bzip2 zip unzip nfs-utils man-pages &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} Minimal安装建议安装软件包已安装完成!"${END}}
ubuntu_minimal_install(){    ${COLOR}'开始安装“Minimal安装建议安装软件包”,请稍等......'${END}    apt -y install iproute2 ntpdate tcpdump telnet traceroute nfs-kernel-server nfs-common lrzsz tree openssl libssl-dev libpcre3 libpcre3-dev zlib1g-dev gcc openssh-server iotop unzip zip    ${COLOR}"${OS_ID} ${OS_RELEASE} Minimal安装建议安装软件包已安装完成!"${END}}
minimal_install(){    if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ] &> /dev/null;then        centos_minimal_install    else        ubuntu_minimal_install    fi}
set_mail(){                                                                                                     if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then        rpm -q postfix &> /dev/null || { yum -y install postfix &> /dev/null; systemctl enable --now postfix &> /dev/null; }        rpm -q mailx &> /dev/null || yum -y install mailx &> /dev/null    else        dpkg -s mailutils &> /dev/null || apt -y install mailutils    fi    read -p "请输入邮箱地址: " MAIL    read -p "请输入邮箱授权码: " AUTH    SMTP=`echo ${MAIL} |awk -F"@" '{print $2}'`    cat >~/.mailrc <<-EOFset from=${MAIL}set smtp=smtp.${SMTP}set smtp-auth-user=${MAIL}set smtp-auth-password=${AUTH}set smtp-auth=loginset ssl-verify=ignoreEOF    ${COLOR}"${OS_ID} ${OS_RELEASE} 邮件设置完成,请重新登录后才能生效!"${END}}
set_sshd_port(){    disable_selinux    disable_firewall    read -p "请输入端口号: " PORT    sed -i 's/#Port 22/Port '${PORT}'/' /etc/ssh/sshd_config    ${COLOR}"${OS_ID} ${OS_RELEASE} 更改SSH端口号已完成,请重启系统后生效!"${END}}
set_centos_eth(){    #修改网卡名称配置文件  if grep -Eqi "(net\.ifnames|biosdevname)" /etc/default/grub;then        ${COLOR}"${OS_ID} ${OS_RELEASE} 网卡名配置文件已修改,不用修改!"${END}    else        sed -ri.bak '/^GRUB_CMDLINE_LINUX=/s@"$@ net.ifnames=0 biosdevname=0"@' /etc/default/grub        grub2-mkconfig -o /boot/grub2/grub.cfg >& /dev/null        ${COLOR}"${OS_ID} ${OS_RELEASE} 网卡名已修改成功,请重新启动系统后才能生效!"${END}    fi}
set_ubuntu_eth(){    #修改网卡名称配置文件  if grep -Eqi "(net\.ifnames|biosdevname)" /etc/default/grub;then        ${COLOR}"${OS_ID} ${OS_RELEASE} 网卡名配置文件已修改,不用修改!"${END}    else        sed -ri.bak '/^GRUB_CMDLINE_LINUX=/s@"$@net.ifnames=0 biosdevname=0"@' /etc/default/grub        grub-mkconfig -o /boot/grub/grub.cfg >& /dev/null        ${COLOR}"${OS_ID} ${OS_RELEASE} 网卡名已修改成功,请重新启动系统后才能生效!"${END}    fi}
set_eth(){    if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then        if [ ${OS_RELEASE_VERSION} == "6" ];then            ${COLOR}"${OS_ID} ${OS_RELEASE} 不用修改网卡名"${END}        else            set_centos_eth        fi    else        set_ubuntu_eth    fi}
check_ip(){    local IP=$1    VALID_CHECK=$(echo ${IP}|awk -F. '$1<=255&&$2<=255&&$3<=255&&$4<=255{print "yes"}')    if echo ${IP}|grep -E "^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$" >/dev/null; then        if [ ${VALID_CHECK} == "yes" ]; then            echo "IP ${IP}  available!"            return 0        else            echo "IP ${IP} not available!"            return 1        fi    else        echo "IP format error!"        return 1    fi}
set_centos_ip(){    ETHNAME=`ip addr | awk -F"[ :]" '/^2/{print $3}'`    while true; do        read -p "请输入IP地址: " IP        check_ip ${IP}        [ $? -eq 0 ] && break    done    read -p "请输入子网掩码位数: " C_PREFIX    while true; do        read -p "请输入网关地址: " GATEWAY        check_ip ${GATEWAY}        [ $? -eq 0 ] && break    done    nmcli connection add type ethernet con-name eth0 ifname eth0 ipv4.method manual ipv4.address "${IP}/${C_PREFIX}" ipv4.gateway "${GATEWAY}" ipv4.dns "223.5.5.5,180.76.76.76" autoconnect yes >& /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,10秒后,机器会自动重启!"${END}    sleep 10    nmcli connection delete ${ETHNAME} >& /dev/null    reboot}
set_centos_6_ip(){    while true; do        read -p "请输入IP地址: " IP        check_ip ${IP}        [ $? -eq 0 ] && break    done    read -p "请输入子网掩码位数: " C_PREFIX    while true; do        read -p "请输入网关地址: " GATEWAY        check_ip ${GATEWAY}        [ $? -eq 0 ] && break    done    cat > /etc/sysconfig/network-scripts/ifcfg-eth0 <<-EOFNAME=eth0DEVICE=eth0ONBOOT=yesBOOTPROTO=noneTYPE=EthernetIPADDR=${IP}PREFIX=${C_PREFIX}GATEWAY=${GATEWAY}DNS1=223.5.5.5DNS2=180.76.76.76EOF    ${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,请重新启动系统后生效!"${END}}
set_ubuntu_ip(){    while true; do        read -p "请输入IP地址: " IP        check_ip ${IP}        [ $? -eq 0 ] && break    done    read -p "请输入子网掩码位数: " U_PREFIX    while true; do        read -p "请输入网关地址: " GATEWAY        check_ip ${GATEWAY}        [ $? -eq 0 ] && break    done    cat > /etc/netplan/01-netcfg.yaml <<-EOFnetwork:  version: 2  renderer: networkd  ethernets:    eth0:      dhcp4: no      dhcp6: no      addresses: [${IP}/${U_PREFIX}]       gateway4: ${GATEWAY}      nameservers:        addresses: [223.5.5.5, 180.76.76.76]EOF    ${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,请重新启动系统后生效!"${END}}
set_ubuntu_22_ip(){    while true; do        read -p "请输入IP地址: " IP        check_ip ${IP}        [ $? -eq 0 ] && break    done    read -p "请输入子网掩码位数: " U_PREFIX    while true; do        read -p "请输入网关地址: " GATEWAY        check_ip ${GATEWAY}        [ $? -eq 0 ] && break    done    cat > /etc/netplan/00-installer-config.yaml <<-EOFnetwork:  version: 2  renderer: networkd  ethernets:    eth0:      dhcp4: no      dhcp6: no      addresses: [${IP}/${U_PREFIX}]      routes:        - to: default          via: ${GATEWAY}      nameservers:        addresses: [223.5.5.5, 180.76.76.76]EOF    ${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,请重新启动系统后生效!"${END}}
set_ip(){    if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then        if [ ${OS_RELEASE_VERSION} == "6" ];then            set_centos_6_ip        else            set_centos_ip        fi    elif [ ${OS_RELEASE_VERSION} == "18" -o ${OS_RELEASE_VERSION} == "20" ];then        set_ubuntu_ip     else        set_ubuntu_22_ip    fi}
set_dual_centos_ip(){    ETHNAME=`ip addr | awk -F"[ :]" '/^2/{print $3}'`    ETHNAME2=`ip addr | awk -F"[ :]" '/^3/{print $3}'`    while true; do        read -p "请输入第一块网卡IP地址: " IP        check_ip ${IP}        [ $? -eq 0 ] && break    done    read -p "请输入子网掩码位数: " C_PREFIX    while true; do        read -p "请输入网关地址: " GATEWAY        check_ip ${GATEWAY}        [ $? -eq 0 ] && break    done    nmcli connection add type ethernet con-name eth0 ifname eth0 ipv4.method manual ipv4.address "${IP}/${C_PREFIX}" ipv4.gateway "${GATEWAY}" ipv4.dns "223.5.5.5,180.76.76.76" autoconnect yes >& /dev/null    while true; do        read -p "请输入第二块网卡IP地址: " IP2        check_ip ${IP2}        [ $? -eq 0 ] && break    done    read -p "请输入子网掩码位数: " C_PREFIX2    nmcli connection add type ethernet con-name eth1 ifname eth1 ipv4.method manual ipv4.address "${IP2}/${C_PREFIX2}" autoconnect yes >& /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,10秒后,机器会自动重启!"${END}    sleep 10    nmcli connection delete ${ETHNAME} >& /dev/null; nmcli connection delete ${ETHNAME2} >& /dev/null    reboot}
set_dual_centos_6_ip(){    while true; do        read -p "请输入第一块网卡IP地址: " IP        check_ip ${IP}        [ $? -eq 0 ] && break    done    read -p "请输入子网掩码位数: " C_PREFIX    while true; do        read -p "请输入网关地址: " GATEWAY        check_ip ${GATEWAY}        [ $? -eq 0 ] && break    done    cat > /etc/sysconfig/network-scripts/ifcfg-eth0 <<-EOFNAME=eth0DEVICE=eth0ONBOOT=yesBOOTPROTO=noneTYPE=EthernetIPADDR=${IP}PREFIX=${C_PREFIX}GATEWAY=${GATEWAY}DNS1=223.5.5.5DNS2=180.76.76.76EOF    while true; do        read -p "请输入第二块网卡IP地址: " IP2        check_ip ${IP2}        [ $? -eq 0 ] && break    done    read -p "请输入子网掩码位数: " C_PREFIX2    cat > /etc/sysconfig/network-scripts/ifcfg-eth1 <<-EOFNAME=eth1DEVICE=eth1ONBOOT=yesBOOTPROTO=noneTYPE=EthernetIPADDR=${IP2}PREFIX=${C_PREFIX2}EOF    ${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,请重新启动系统后生效!"${END}}
set_dual_ubuntu_ip(){    while true; do        read -p "请输入第一块网卡IP地址: " IP        check_ip ${IP}        [ $? -eq 0 ] && break    done    read -p "请输入子网掩码位数: " U_PREFIX    while true; do        read -p "请输入网关地址: " GATEWAY        check_ip ${GATEWAY}        [ $? -eq 0 ] && break    done    while true; do        read -p "请输入第二块网卡IP地址: " IP2        check_ip ${IP2}        [ $? -eq 0 ] && break    done    read -p "请输入子网掩码位数: " U_PREFIX2    cat > /etc/netplan/01-netcfg.yaml <<-EOFnetwork:  version: 2  renderer: networkd  ethernets:    eth0:      dhcp4: no      dhcp6: no      addresses: [${IP}/${U_PREFIX}]       gateway4: ${GATEWAY}      nameservers:        addresses: [223.5.5.5, 180.76.76.76]    eth1:      dhcp4: no      dhcp6: no      addresses: [${IP2}/${U_PREFIX2}] EOF    ${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,请重新启动系统后生效!"${END}}
set_dual_ubuntu_22_ip(){    while true; do        read -p "请输入第一块网卡IP地址: " IP        check_ip ${IP}        [ $? -eq 0 ] && break    done    read -p "请输入子网掩码位数: " U_PREFIX    while true; do        read -p "请输入网关地址: " GATEWAY        check_ip ${GATEWAY}        [ $? -eq 0 ] && break    done    while true; do        read -p "请输入第二块网卡IP地址: " IP2        check_ip ${IP2}        [ $? -eq 0 ] && break    done    read -p "请输入子网掩码位数: " U_PREFIX2    cat > /etc/netplan/00-installer-config.yaml <<-EOFnetwork:  version: 2  renderer: networkd  ethernets:    eth0:      dhcp4: no      dhcp6: no      addresses: [${IP}/${U_PREFIX}]       routes:        - to: default          via: ${GATEWAY}      nameservers:        addresses: [223.5.5.5, 180.76.76.76]    eth1:      dhcp4: no      dhcp6: no      addresses: [${IP2}/${U_PREFIX2}] EOF    ${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,请重新启动系统后生效!"${END}}
set_dual_ip(){    if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then        if [ ${OS_RELEASE_VERSION} == "6" ];then            set_dual_centos_6_ip        else            set_dual_centos_ip        fi    elif [ ${OS_RELEASE_VERSION} == "18" -o ${OS_RELEASE_VERSION} == "20" ];then        set_dual_ubuntu_ip     else        set_dual_ubuntu_22_ip    fi}
set_hostname_all(){    read -p "请输入主机名: " HOST    hostnamectl set-hostname ${HOST}    ${COLOR}"${OS_ID} ${OS_RELEASE} 主机名设置成功,请重新登录生效!"${END}}
set_hostname6(){    read -p "请输入主机名: " HOST    sed -i.bak -r '/^HOSTNAME/s#^(HOSTNAME=).*#\1'${HOST}'#' /etc/sysconfig/network    ${COLOR}"${OS_ID} ${OS_RELEASE} 主机名设置成功,请重新登录生效!"${END}}
set_hostname(){    if [ ${OS_RELEASE_VERSION} == 6 ];then        set_hostname6    else        set_hostname_all    fi}
red(){    P_COLOR=31}
green(){    P_COLOR=32}
yellow(){    P_COLOR=33}
blue(){    P_COLOR=34}
violet(){    P_COLOR=35}
cyan_blue(){    P_COLOR=36}
random_color(){    P_COLOR="$[RANDOM%7+31]"}
centos_ps1(){    C_PS1=$(echo "PS1='\[\e[1;${P_COLOR}m\][\u@\h \W]\\$ \[\e[0m\]'" >> ~/.bashrc)}
ubuntu_ps1(){    U_PS1=$(echo 'PS1="\[\e[1;'''${P_COLOR}'''m\]${debian_chroot:+($debian_chroot)}\u@\h:\w\\$ \[\e[0m\]"' >> ~/.bashrc)}
set_ps1_env(){    if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then        if grep -Eqi "^PS1" ~/.bashrc;then            sed -i '/^PS1/d' ~/.bashrc            centos_ps1        else            centos_ps1        fi    fi    if [ ${OS_ID} == "Ubuntu" ];then        if grep -Eqi "^PS1" ~/.bashrc;then            sed -i '/^PS1/d' ~/.bashrc            ubuntu_ps1        else            ubuntu_ps1        fi    fi}
set_ps1(){    TIPS="${COLOR}${OS_ID} ${OS_RELEASE} PS1设置成功,请重新登录生效!${END}"    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF1)31 红色2)32 绿色3)33 黄色4)34 蓝色5)35 紫色6)36 青色7)随机颜色8)退出EOF        echo -e '\E[0m'
        read -p "请输入颜色编号(1-8): " NUM        case ${NUM} in        1)            red            set_ps1_env            ${TIPS}            ;;        2)            green            set_ps1_env            ${TIPS}            ;;        3)            yellow            set_ps1_env            ${TIPS}            ;;        4)            blue            set_ps1_env            ${TIPS}            ;;        5)            violet            set_ps1_env            ${TIPS}            ;;        6)            cyan_blue            set_ps1_env            ${TIPS}            ;;        7)            random_color            set_ps1_env            ${TIPS}            ;;        8)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-8)!"${END}            ;;        esac    done}
set_vim(){    echo "export EDITOR=vim" >> ~/.bashrc}
set_vim_env(){    if grep -Eqi ".*EDITOR" ~/.bashrc;then        sed -i '/.*EDITOR/d' ~/.bashrc        set_vim    else        set_vim    fi    ${COLOR}"${OS_ID} ${OS_RELEASE} 默认文本编辑器设置成功,请重新登录生效!"${END}}
set_history(){    echo 'export HISTTIMEFORMAT="%F %T "' >> ~/.bashrc }
set_history_env(){    if grep -Eqi ".*HISTTIMEFORMAT" ~/.bashrc;then        sed -i '/.*HISTTIMEFORMAT/d' ~/.bashrc        set_history    else        set_history    fi    ${COLOR}"${OS_ID} ${OS_RELEASE} history格式设置成功,请重新登录生效!"${END}}
set_swap(){    sed -ri 's/.*swap.*/#&/' /etc/fstab    if [ ${OS_ID} == "Ubuntu" ];then        if [ ${OS_RELEASE_VERSION} == 20 -o ${OS_RELEASE_VERSION} == 22 ];then            SD_NAME=`lsblk|awk -F"[ └─]" '/SWAP/{printf $3}'`            systemctl mask dev-${SD_NAME}.swap &> /dev/null        fi    fi    swapoff -a    ${COLOR}"${OS_ID} ${OS_RELEASE} 禁用swap成功!"${END}}
set_kernel(){    cat > /etc/sysctl.conf <<-EOF# Controls source route verificationnet.ipv4.conf.default.rp_filter = 1net.ipv4.ip_nonlocal_bind = 1net.ipv4.ip_forward = 1
# Do not accept source routingnet.ipv4.conf.default.accept_source_route = 0
# Controls the System Request debugging functionality of the kernelkernel.sysrq = 0
# Controls whether core dumps will append the PID to the core filename.# Useful for debugging multi-threaded applications.kernel.core_uses_pid = 1
# Controls the use of TCP syncookiesnet.ipv4.tcp_syncookies = 1
# Disable netfilter on bridges.net.bridge.bridge-nf-call-ip6tables = 0net.bridge.bridge-nf-call-iptables = 0net.bridge.bridge-nf-call-arptables = 0
# Controls the default maxmimum size of a mesage queuekernel.msgmnb = 65536
# Controls the maximum size of a message, in byteskernel.msgmax = 65536
# Controls the maximum shared segment size, in byteskernel.shmmax = 68719476736
# Controls the maximum number of shared memory segments, in pageskernel.shmall = 4294967296
# TCP kernel paramaternet.ipv4.tcp_mem = 786432 1048576 1572864net.ipv4.tcp_rmem = 4096        87380   4194304net.ipv4.tcp_wmem = 4096        16384   4194304net.ipv4.tcp_window_scaling = 1net.ipv4.tcp_sack = 1
# socket buffernet.core.wmem_default = 8388608net.core.rmem_default = 8388608net.core.rmem_max = 16777216net.core.wmem_max = 16777216net.core.netdev_max_backlog = 262144net.core.somaxconn = 20480net.core.optmem_max = 81920
# TCP connnet.ipv4.tcp_max_syn_backlog = 262144net.ipv4.tcp_syn_retries = 3net.ipv4.tcp_retries1 = 3net.ipv4.tcp_retries2 = 15
# tcp conn reusenet.ipv4.tcp_tw_reuse = 1net.ipv4.tcp_tw_recycle = 0net.ipv4.tcp_fin_timeout = 30net.ipv4.tcp_timestamps = 0
net.ipv4.tcp_max_tw_buckets = 20000net.ipv4.tcp_max_orphans = 3276800net.ipv4.tcp_synack_retries = 1net.ipv4.tcp_syncookies = 1
# keepalive connnet.ipv4.tcp_keepalive_time = 300net.ipv4.tcp_keepalive_intvl = 30net.ipv4.tcp_keepalive_probes = 3net.ipv4.ip_local_port_range = 10001    65000
# swapvm.overcommit_memory = 0vm.swappiness = 10
#net.ipv4.conf.eth1.rp_filter = 0#net.ipv4.conf.lo.arp_ignore = 1#net.ipv4.conf.lo.arp_announce = 2#net.ipv4.conf.all.arp_ignore = 1#net.ipv4.conf.all.arp_announce = 2EOF    sysctl -p &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} 优化内核参数成功!"${END}}
set_limits(){    cat >> /etc/security/limits.conf <<-EOFroot     soft   core     unlimitedroot     hard   core     unlimitedroot     soft   nproc    1000000root     hard   nproc    1000000root     soft   nofile   1000000root     hard   nofile   1000000root     soft   memlock  32000root     hard   memlock  32000root     soft   msgqueue 8192000root     hard   msgqueue 8192000EOF    ${COLOR}"${OS_ID} ${OS_RELEASE} 优化资源限制参数成功!"${END}}
set_localtime(){    ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime    echo 'Asia/Shanghai' >/etc/timezone    if [ ${OS_ID} == "Ubuntu" ];then        cat >> /etc/default/locale <<-EOFLC_TIME=en_DK.UTF-8EOF    fi    ${COLOR}"${OS_ID} ${OS_RELEASE} 系统时区已设置成功,请重启系统后生效!"${END}}
disable_restart(){    if [ -f /usr/lib/systemd/system/ctrl-alt-del.target ];then        cp /usr/lib/systemd/system/ctrl-alt-del.target{,.bak}        rm -f /usr/lib/systemd/system/ctrl-alt-del.target        ${COLOR}"${OS_ID} ${OS_RELEASE} 禁用ctrl+alt+del重启处理成功!"${END}    else        ${COLOR}"${OS_ID} ${OS_RELEASE} 禁用ctrl+alt+del已处理!"${END}    fi}
set_root_login(){    read -p "请输入密码: " PASSWORD    echo ${PASSWORD} |sudo -S sed -ri 's@#(PermitRootLogin )prohibit-password@\1yes@' /etc/ssh/sshd_config    sudo systemctl restart sshd    sudo -S passwd root <<-EOF${PASSWORD}${PASSWORD}EOF    ${COLOR}"${OS_ID} ${OS_RELEASE} root用户登录已设置完成,请重新登录后生效!"${END}}
ubuntu_remove(){    apt purge ufw lxd lxd-client lxcfs liblxc-common    ${COLOR}"${OS_ID} ${OS_RELEASE} 无用软件包卸载完成!"${END}}
menu(){    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF*********************************************************************                           初始化脚本菜单                         ** 1.禁用SELinux                    15.设置PS1(请进入选择颜色)      ** 2.关闭防火墙                     16.设置默认文本编辑器为vim      ** 3.优化SSH                        17.设置history格式              ** 4.设置系统别名                   18.禁用SWAP                     ** 5.1-4全设置                      19.优化内核参数                 ** 6.设置vimrc配置文件              20.优化资源限制参数             ** 7.设置镜像仓库                   21.设置系统时区                 ** 8.Minimal安装建议安装软件        22.禁用ctrl+alt+del重启         ** 9.安装邮件服务并配置邮件         23.Ubuntu设置root用户登录       ** 10.更改SSH端口号                 24.Ubuntu卸载无用软件包         ** 11.修改网卡名                    25.重启系统                     ** 12.修改IP地址和网关地址(单网卡)  26.关机                         ** 13.修改IP地址和网关地址(双网卡)  27.退出                         ** 14.设置主机名                                                    *********************************************************************EOF        echo -e '\E[0m'
        read -p "请选择相应的编号(1-27): " choice        case ${choice} in        1)            disable_selinux            ;;        2)            disable_firewall            ;;        3)            optimization_sshd            ;;        4)            set_alias            ;;        5)            disable_selinux            disable_firewall            optimization_sshd            set_alias            ;;        6)            set_vimrc            ;;        7)            set_mirror_repository            ;;        8)            minimal_install            ;;        9)            set_mail            ;;        10)            set_sshd_port            ;;        11)            set_eth            ;;        12)            set_ip            ;;        13)            set_dual_ip            ;;        14)            set_hostname            ;;        15)            set_ps1            ;;        16)            set_vim_env            ;;        17)            set_history_env            ;;        18)            set_swap            ;;        19)            set_kernel            ;;        20)            set_limits            ;;        21)            set_localtime            ;;        22)            disable_restart            ;;        23)            set_root_login            ;;        24)            ubuntu_remove            ;;        25)            reboot            ;;        26)            shutdown -h now            ;;        27)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-27)!"${END}            ;;        esac    done}
main(){    os    menu}
main

 

[root@rocky9 ~]# cat reset_v5_2.sh#!/bin/bash##***************************************************************************************************#Author:        Raymond#QQ:            88563128#Date:          2023-01-29#FileName:      reset_v5_2.sh#URL:           raymond.blog.csdn.net#Description:   reset for CentOS 6/7/8 & CentOS Stream 8/9 & Ubuntu 18.04/20.04/22.04 & Rocky 8/9#Copyright (C): 2023 All rights reserved#**************************************************************************************************COLOR="echo -e \\033[01;31m"END='\033[0m'
os(){    if grep -Eqi "Centos"  /etc/issue && [ $(sed -rn 's#^.* ([0-9]+)\..*#\1#p' /etc/redhat-release) == 6 ] ;then        OS_ID=`sed -rn 's#^([[:alpha:]]+) .*#\1#p' /etc/redhat-release`        OS_RELEASE=`sed -rn 's#^.* ([0-9.]+).*#\1#p' /etc/redhat-release`        OS_RELEASE_VERSION=`sed -rn 's#^.* ([0-9]+)\..*#\1#p' /etc/redhat-release`    else        OS_ID=`sed -rn '/^NAME=/s@.*="([[:alpha:]]+).*"$@\1@p' /etc/os-release`        OS_NAME=`sed -rn '/^NAME=/s@.*="([[:alpha:]]+) (.*)"$@\2@p' /etc/os-release`        OS_RELEASE=`sed -rn '/^VERSION_ID=/s@.*="?([0-9.]+)"?@\1@p' /etc/os-release`        OS_RELEASE_VERSION=`sed -rn '/^VERSION_ID=/s@.*="?([0-9]+)\.?.*"?@\1@p' /etc/os-release`    fi}
disable_selinux(){    if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then        if [ `getenforce` == "Enforcing" ];then            sed -ri.bak 's/^(SELINUX=).*/\1disabled/' /etc/selinux/config            ${COLOR}"${OS_ID} ${OS_RELEASE} SELinux已禁用,请重新启动系统后才能生效!"${END}        else            ${COLOR}"${OS_ID} ${OS_RELEASE} SELinux已被禁用,不用设置!"${END}        fi    else        ${COLOR}"${OS_ID} ${OS_RELEASE} SELinux默认没有安装,不用设置!"${END}    fi}
disable_firewall(){    if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then        rpm -q firewalld &> /dev/null && { systemctl disable --now firewalld &> /dev/null; ${COLOR}"${OS_ID} ${OS_RELEASE} Firewall防火墙已关闭!"${END}; } || { service iptables stop ; chkconfig iptables off; ${COLOR}"${OS_ID} ${OS_RELEASE} iptables防火墙已关闭!"${END}; }    else        dpkg -s ufw &> /dev/null && { systemctl disable --now ufw &> /dev/null; ${COLOR}"${OS_ID} ${OS_RELEASE} ufw防火墙已关闭!"${END}; } || ${COLOR}"${OS_ID} ${OS_RELEASE}  没有ufw防火墙服务,不用关闭！"${END}    fi}
optimization_sshd(){    if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then        sed -ri.bak -e 's/^#(UseDNS).*/\1 no/' -e 's/^(GSSAPIAuthentication).*/\1 no/' /etc/ssh/sshd_config    else        sed -ri.bak -e 's/^#(UseDNS).*/\1 no/' -e 's/^#(GSSAPIAuthentication).*/\1 no/' /etc/ssh/sshd_config    fi    if [ ${OS_RELEASE_VERSION} == "6" ];then        service sshd restart    else        systemctl restart sshd    fi    ${COLOR}"${OS_ID} ${OS_RELEASE} SSH已优化完成!"${END}}
set_centos_alias(){    if [ ${OS_RELEASE_VERSION} == "6" -o ${OS_RELEASE_VERSION} == "7" -o ${OS_RELEASE_VERSION} == "8" ];then        cat >>~/.bashrc <<-EOFalias cdnet="cd /etc/sysconfig/network-scripts"alias vie0="vim /etc/sysconfig/network-scripts/ifcfg-eth0"alias vie1="vim /etc/sysconfig/network-scripts/ifcfg-eth1"alias scandisk="echo '- - -' > /sys/class/scsi_host/host0/scan;echo '- - -' > /sys/class/scsi_host/host1/scan;echo '- - -' > /sys/class/scsi_host/host2/scan"EOF    else        cat >>~/.bashrc <<-EOFalias cdnet="cd /etc/NetworkManager/system-connections"alias vie0="vim /etc/NetworkManager/system-connections/eth0.nmconnection"alias vie1="vim /etc/NetworkManager/system-connections/eth1.nmconnection"alias scandisk="echo '- - -' > /sys/class/scsi_host/host0/scan;echo '- - -' > /sys/class/scsi_host/host1/scan;echo '- - -' > /sys/class/scsi_host/host2/scan"EOF    fi    ${COLOR}"${OS_ID} ${OS_RELEASE} 系统别名已设置成功,请重新登陆后生效!"${END}}
set_ubuntu_alias(){    cat >>~/.bashrc <<-EOFalias cdnet="cd /etc/netplan"alias scandisk="echo '- - -' > /sys/class/scsi_host/host0/scan;echo '- - -' > /sys/class/scsi_host/host1/scan;echo '- - -' > /sys/class/scsi_host/host2/scan"EOF    ${COLOR}"${OS_ID} ${OS_RELEASE} 系统别名已设置成功,请重新登陆后生效!"${END}}
set_alias(){    if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then        if grep -Eqi "(.*cdnet|.*vie0|.*vie1|.*scandisk)" ~/.bashrc;then            sed -i -e '/.*cdnet/d'  -e '/.*vie0/d' -e '/.*vie1/d' -e '/.*scandisk/d' ~/.bashrc            set_centos_alias        else            set_centos_alias        fi    fi    if [ ${OS_ID} == "Ubuntu" ];then        if grep -Eqi "(.*cdnet|.*scandisk)" ~/.bashrc;then            sed -i -e '/.*cdnet/d' -e '/.*scandisk/d' ~/.bashrc            set_ubuntu_alias        else            set_ubuntu_alias        fi    fi}
set_vimrc(){    read -p "请输入作者名: " AUTHOR    read -p "请输入QQ号: " QQ    read -p "请输入网址: " V_URL    cat >~/.vimrc <<-EOFset ts=4set expandtabset ignorecaseset cursorlineset autoindentautocmd BufNewFile *.sh exec ":call SetTitle()"func SetTitle()    if expand("%:e") == 'sh'    call setline(1,"#!/bin/bash")    call setline(2,"#")    call setline(3,"#**********************************************************************************************")    call setline(4,"#Author:        ${AUTHOR}")    call setline(5,"#QQ:            ${QQ}")    call setline(6,"#Date:          ".strftime("%Y-%m-%d"))    call setline(7,"#FileName:      ".expand("%"))    call setline(8,"#URL:           ${V_URL}")    call setline(9,"#Description:   The test script")    call setline(10,"#Copyright (C): ".strftime("%Y")." All rights reserved")    call setline(11,"#*********************************************************************************************")    call setline(12,"")    endifendfuncautocmd BufNewFile * normal GEOF    ${COLOR}"${OS_ID} ${OS_RELEASE} vimrc设置完成,请重新系统启动才能生效!"${END}}
aliyun(){    URL=mirrors.aliyun.com}
huawei(){    URL=repo.huaweicloud.com}
tencent(){    URL=mirrors.tencent.com}
tuna(){    URL=mirrors.tuna.tsinghua.edu.cn}
netease(){    URL=mirrors.163.com}
sohu(){    URL=mirrors.sohu.com}
nju(){    URL=mirrors.nju.edu.cn}
ustc(){    URL=mirrors.ustc.edu.cn}
sjtu(){    URL=mirrors.sjtug.sjtu.edu.cn}
fedora(){    URL=archives.fedoraproject.org}
set_yum_rocky8_9(){    [ -d /etc/yum.repos.d/backup ] || mkdir /etc/yum.repos.d/backup    mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/backup    cat > /etc/yum.repos.d/base.repo <<-EOF[BaseOS]name=BaseOSbaseurl=https://${URL}/rocky/\$releasever/BaseOS/\$basearch/os/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-rockyofficial
[AppStream]name=AppStreambaseurl=https://${URL}/rocky/\$releasever/AppStream/\$basearch/os/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-rockyofficial
[extras]name=extrasbaseurl=https://${URL}/rocky/\$releasever/extras/\$basearch/os/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-rockyofficialEOF    ${COLOR}"更新镜像源中,请稍等..."${END}    dnf clean all &> /dev/null    dnf makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} YUM源设置完成!"${END}}
set_yum_rocky8_9_2(){    [ -d /etc/yum.repos.d/backup ] || mkdir /etc/yum.repos.d/backup    mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/backup    cat > /etc/yum.repos.d/base.repo <<-EOF[BaseOS]name=BaseOSbaseurl=https://${URL}/rockylinux/\$releasever/BaseOS/\$basearch/os/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-rockyofficial
[AppStream]name=AppStreambaseurl=https://${URL}/rockylinux/\$releasever/AppStream/\$basearch/os/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-rockyofficial
[extras]name=extrasbaseurl=https://${URL}/rockylinux/\$releasever/extras/\$basearch/os/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-rockyofficialEOF    ${COLOR}"更新镜像源中,请稍等..."${END}    dnf clean all &> /dev/null    dnf makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} YUM源设置完成!"${END}}
set_yum_centos_stream9(){    [ -d /etc/yum.repos.d/backup ] || mkdir /etc/yum.repos.d/backup    mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/backup    cat > /etc/yum.repos.d/base.repo <<-EOF[BaseOS]name=BaseOSbaseurl=https://${URL}/centos-stream/\$stream/BaseOS/\$basearch/os/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
[AppStream]name=AppStreambaseurl=https://${URL}/centos-stream/\$stream/AppStream/\$basearch/os/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
[extras-common]name=extras-commonbaseurl=https://${URL}/centos-stream/SIGs/\$stream/extras/\$basearch/extras-common/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficialEOF    ${COLOR}"更新镜像源中,请稍等..."${END}    dnf clean all &> /dev/null    dnf makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} YUM源设置完成!"${END}}
set_yum_centos_stream8(){    [ -d /etc/yum.repos.d/backup ] || mkdir /etc/yum.repos.d/backup    mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/backup    cat > /etc/yum.repos.d/base.repo <<-EOF[BaseOS]name=BaseOSbaseurl=https://${URL}/centos/\$stream/BaseOS/\$basearch/os/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
[AppStream]name=AppStreambaseurl=https://${URL}/centos/\$stream/AppStream/\$basearch/os/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
[extras]name=extrasbaseurl=https://${URL}/centos/\$stream/extras/\$basearch/os/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficialEOF    ${COLOR}"更新镜像源中,请稍等..."${END}    dnf clean all &> /dev/null    dnf makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} YUM源设置完成!"${END}}
set_yum_centos8(){    [ -d /etc/yum.repos.d/backup ] || mkdir /etc/yum.repos.d/backup    mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/backup    cat > /etc/yum.repos.d/base.repo <<-EOF[BaseOS]name=BaseOSbaseurl=https://${URL}/centos-vault/centos/\$releasever/BaseOS/\$basearch/os/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
[AppStream]name=AppStreambaseurl=https://${URL}/centos-vault/centos/\$releasever/AppStream/\$basearch/os/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
[extras]name=extrasbaseurl=https://${URL}/centos-vault/centos/\$releasever/extras/\$basearch/os/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficialEOF    ${COLOR}"更新镜像源中,请稍等..."${END}    dnf clean all &> /dev/null    dnf makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} YUM源设置完成!"${END}}
set_epel_centos8_9(){    cat > /etc/yum.repos.d/epel.repo <<-EOF[epel]name=epelbaseurl=https://${URL}/epel/\$releasever/Everything/\$basearch/gpgcheck=1gpgkey=https://${URL}/epel/RPM-GPG-KEY-EPEL-\$releaseverEOF    ${COLOR}"更新镜像源中,请稍等..."${END}    dnf clean all &> /dev/null    dnf makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}}
set_epel_2_centos8_9(){    cat > /etc/yum.repos.d/epel.repo <<-EOF[epel]name=epelbaseurl=https://${URL}/fedora-epel/\$releasever/Everything/\$basearch/gpgcheck=1gpgkey=https://${URL}/fedora-epel/RPM-GPG-KEY-EPEL-\$releaseverEOF    ${COLOR}"更新镜像源中,请稍等..."${END}    dnf clean all &> /dev/null    dnf makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}}
set_epel_3_centos8_9(){    cat > /etc/yum.repos.d/epel.repo <<-EOF[epel]name=epelbaseurl=https://${URL}/fedora/epel/\$releasever/Everything/\$basearch/gpgcheck=1gpgkey=https://${URL}/fedora/epel/RPM-GPG-KEY-EPEL-\$releaseverEOF    ${COLOR}"更新镜像源中,请稍等..."${END}    dnf clean all &> /dev/null    dnf makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}}
set_yum_centos7(){    [ -d /etc/yum.repos.d/backup ] || mkdir /etc/yum.repos.d/backup    mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/backup    cat > /etc/yum.repos.d/base.repo <<-EOF[base]name=basebaseurl=https://${URL}/centos/\$releasever/os/\$basearch/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-\$releasever
[extras]name=extrasbaseurl=https://${URL}/centos/\$releasever/extras/\$basearch/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-\$releasever
[updates]name=updatesbaseurl=https://${URL}/centos/\$releasever/updates/\$basearch/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-\$releaseverEOF    ${COLOR}"更新镜像源中,请稍等..."${END}    yum clean all &> /dev/null    yum makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} YUM源设置完成!"${END}}
set_epel_centos7(){    cat > /etc/yum.repos.d/epel.repo <<-EOF[epel]name=epelbaseurl=https://${URL}/epel/\$releasever/\$basearch/gpgcheck=1gpgkey=https://${URL}/epel/RPM-GPG-KEY-EPEL-\$releaseverEOF    ${COLOR}"更新镜像源中,请稍等..."${END}    yum clean all &> /dev/null    yum makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}}
set_epel_2_centos7(){    cat > /etc/yum.repos.d/epel.repo <<-EOF[epel]name=epelbaseurl=https://${URL}/fedora-epel/\$releasever/\$basearch/gpgcheck=1gpgkey=https://${URL}/fedora-epel/RPM-GPG-KEY-EPEL-\$releaseverEOF    ${COLOR}"更新镜像源中,请稍等..."${END}    yum clean all &> /dev/null    yum makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}}
set_epel_3_centos7(){    cat > /etc/yum.repos.d/epel.repo <<-EOF[epel]name=epelbaseurl=https://${URL}/fedora/epel/\$releasever/\$basearch/gpgcheck=1gpgkey=https://${URL}/fedora/epel/RPM-GPG-KEY-EPEL-\$releaseverEOF    ${COLOR}"更新镜像源中,请稍等..."${END}    yum clean all &> /dev/null    yum makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}}
set_yum_centos6(){    [ -d /etc/yum.repos.d/backup ] || mkdir /etc/yum.repos.d/backup    mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/backup    cat > /etc/yum.repos.d/base.repo <<-EOF[base]name=basebaseurl=https://${URL}/centos-vault/centos/\$releasever/os/\$basearch/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-\$releasever
[extras]name=extrasbaseurl=https://${URL}/centos-vault/centos/\$releasever/extras/\$basearch/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-\$releasever
[updates]name=updatesbaseurl=https://${URL}/centos-vault/centos/\$releasever/updates/\$basearch/gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-\$releaseverEOF    ${COLOR}"更新镜像源中,请稍等..."${END}    yum clean all &> /dev/null    yum makecache  &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} YUM源设置完成!"${END}}
set_epel_centos6(){    cat > /etc/yum.repos.d/epel.repo <<-EOF[epel]name=epelbaseurl=https://${URL}/epel/\$releasever/\$basearch/gpgcheck=1gpgkey=https://${URL}/epel/RPM-GPG-KEY-EPEL-\$releaseverEOF    ${COLOR}"更新镜像源中,请稍等..."${END}    yum clean all &> /dev/null    yum makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}}
set_epel_2_centos6(){    cat > /etc/yum.repos.d/epel.repo <<-EOF[epel]name=epelbaseurl=https://${URL}/pub/archive/epel/\$releasever/\$basearch/gpgcheck=1gpgkey=https://$(tencent)/epel/RPM-GPG-KEY-EPEL-\$releaseverEOF    ${COLOR}"更新镜像源中,请稍等..."${END}    yum clean all &> /dev/null    yum makecache &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} EPEL源设置完成!"${END}}
rocky8_9_base_menu(){    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF1)阿里镜像源2)网易镜像源3)搜狐镜像源4)南京大学镜像源5)中科大镜像源6)上海交通大学镜像源7)退出EOF        echo -e '\E[0m'
        read -p "请输入镜像源编号(1-7): " NUM        case ${NUM} in        1)            aliyun            set_yum_rocky8_9_2            ;;        2)            netease            set_yum_rocky8_9            ;;        3)            sohu            set_yum_rocky8_9            ;;        4)            nju            set_yum_rocky8_9            ;;        5)            ustc            set_yum_rocky8_9            ;;        6)            sjtu            set_yum_rocky8_9            ;;        7)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-7)!"${END}            ;;        esac    done}
centos_stream9_base_menu(){    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF1)阿里镜像源2)清华镜像源3)南京大学镜像源4)中科大镜像源5)退出EOF        echo -e '\E[0m'
        read -p "请输入镜像源编号(1-5): " NUM        case ${NUM} in        1)            aliyun            set_yum_centos_stream9            ;;        2)            tuna            set_yum_centos_stream9            ;;        3)            nju            set_yum_centos_stream9            ;;        4)            ustc            set_yum_centos_stream9            ;;        5)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-5)!"${END}            ;;        esac    done}
centos_stream8_base_menu(){    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF1)阿里镜像源2)华为镜像源3)腾讯镜像源4)清华镜像源5)网易镜像源6)南京大学镜像源7)中科大镜像源8)退出EOF        echo -e '\E[0m'
        read -p "请输入镜像源编号(1-8): " NUM        case ${NUM} in        1)            aliyun            set_yum_centos_stream8            ;;        2)            huawei            set_yum_centos_stream8            ;;        3)            tencent            set_yum_centos_stream8            ;;        4)            tuna            set_yum_centos_stream8            ;;        5)            netease            set_yum_centos_stream8            ;;        6)            nju            set_yum_centos_stream8            ;;        7)            ustc            set_yum_centos_stream8            ;;        8)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-8)!"${END}            ;;        esac    done}
centos8_base_menu(){    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF1)阿里镜像源2)腾讯镜像源3)清华镜像源4)网易镜像源5)南京大学镜像源6)中科大镜像源7)退出EOF        echo -e '\E[0m'
        read -p "请输入镜像源编号(1-7): " NUM        case ${NUM} in        1)            aliyun            set_yum_centos8            ;;        2)            tencent            set_yum_centos8            ;;        3)            tuna            set_yum_centos8            ;;        4)            netease            set_yum_centos8            ;;        5)            nju            set_yum_centos8            ;;        6)            ustc            set_yum_centos8            ;;        7)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-7)!"${END}            ;;        esac    done}
centos7_base_menu(){    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF1)阿里镜像源2)华为镜像源3)腾讯镜像源4)清华镜像源5)网易镜像源6)南京大学镜像源7)中科大镜像源8)退出EOF        echo -e '\E[0m'
        read -p "请输入镜像源编号(1-8): " NUM        case ${NUM} in        1)            aliyun            set_yum_centos7            ;;        2)            huawei            set_yum_centos7            ;;        3)            tencent            set_yum_centos7            ;;        4)            tuna            set_yum_centos7            ;;        5)            netease            set_yum_centos7            ;;        6)            nju            set_yum_centos7            ;;        7)            ustc            set_yum_centos7            ;;        8)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-8)!"${END}            ;;        esac    done}
centos6_base_menu(){    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF1)阿里镜像源2)华为镜像源3)腾讯镜像源4)清华镜像源5)网易镜像源6)南京大学镜像源7)中科大镜像源8)退出EOF        echo -e '\E[0m'
        read -p "请输入镜像源编号(1-8): " NUM        case ${NUM} in        1)            aliyun            set_yum_centos6            ;;        2)            huawei            set_yum_centos6            ;;        3)            tencent            set_yum_centos6            ;;        4)            tuna            set_yum_centos6            ;;        5)            netease            set_yum_centos6            ;;        6)            nju            set_yum_centos6            ;;        7)            ustc            set_yum_centos6            ;;        8)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-8)!"${END}            ;;        esac    done}
centos8_9_epel_menu(){    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF1)阿里镜像源2)华为镜像源3)腾讯镜像源4)清华镜像源5)搜狐镜像源6)南京大学镜像源7)中科大镜像源8)上海交通大学镜像源9)退出EOF        echo -e '\E[0m'
        read -p "请输入镜像源编号(1-9): " NUM        case ${NUM} in        1)            aliyun            set_epel_centos8_9            ;;        2)            huawei            set_epel_centos8_9            ;;        3)            tencent            set_epel_centos8_9            ;;        4)            tuna            set_epel_centos8_9            ;;        5)            sohu            set_epel_2_centos8_9            ;;        6)            nju            set_epel_centos8_9            ;;        7)            ustc            set_epel_centos8_9            ;;        8)            sjtu            set_epel_3_centos8_9            ;;        9)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-9)!"${END}            ;;        esac    done}
centos7_epel_menu(){    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF1)阿里镜像源2)华为镜像源3)腾讯镜像源4)清华镜像源5)搜狐镜像源6)南京大学镜像源7)中科大镜像源8)上海交通大学镜像源9)退出EOF        echo -e '\E[0m'
        read -p "请输入镜像源编号(1-9): " NUM        case ${NUM} in        1)            aliyun            set_epel_centos7            ;;        2)            huawei            set_epel_centos7            ;;        3)            tencent            set_epel_centos7            ;;        4)            tuna            set_epel_centos7            ;;        5)            sohu            set_epel_2_centos7            ;;        6)            nju            set_epel_centos7            ;;        7)            ustc            set_epel_centos7            ;;        8)            sjtu            set_epel_3_centos7            ;;        9)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-9)!"${END}            ;;        esac    done}
centos6_epel_menu(){    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF1)腾讯镜像源2)Fedora镜像源3)退出EOF        echo -e '\E[0m'
        read -p "请输入镜像源编号(1-3): " NUM        case ${NUM} in        1)            tencent            set_epel_centos6            ;;        2)            fedora            set_epel_2_centos6            ;;        3)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-3)!"${END}            ;;        esac    done}
rocky_menu(){    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF1)base仓库2)epel仓库3)退出EOF        echo -e '\E[0m'
        read -p "请输入镜像源编号(1-3): " NUM        case ${NUM} in        1)            rocky8_9_base_menu            ;;        2)            centos8_9_epel_menu            ;;        3)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-3)!"${END}            ;;        esac    done}
centos_menu(){    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF1)base仓库2)epel仓库3)退出EOF        echo -e '\E[0m'
        read -p "请输入镜像源编号(1-3): " NUM        case ${NUM} in        1)            if [ ${OS_RELEASE_VERSION} == "6" ];then                centos6_base_menu            elif [ ${OS_NAME} == "Stream" ];then                if [ ${OS_RELEASE_VERSION} == "8" ];then                    centos_stream8_base_menu                else                    centos_stream9_base_menu                fi            elif [ ${OS_RELEASE_VERSION} == "8" -a ${OS_NAME} == "Linux" ];then                centos8_base_menu            else                centos7_base_menu            fi            ;;        2)            if [ ${OS_RELEASE_VERSION} == "8" -o ${OS_RELEASE_VERSION} == "9" ];then                centos8_9_epel_menu            elif [ ${OS_RELEASE_VERSION} == "7" ];then                centos7_epel_menu            else                centos6_epel_menu            fi            ;;        3)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-3)!"${END}            ;;        esac    done}
set_apt(){    mv /etc/apt/sources.list /etc/apt/sources.list.bak    cat > /etc/apt/sources.list <<-EOFdeb http://${URL}/ubuntu/ $(lsb_release -cs) main restricted universe multiversedeb-src http://${URL}/ubuntu/ $(lsb_release -cs) main restricted universe multiverse
deb http://${URL}/ubuntu/ $(lsb_release -cs)-security main restricted universe multiversedeb-src http://${URL}/ubuntu/ $(lsb_release -cs)-security main restricted universe multiverse
deb http://${URL}/ubuntu/ $(lsb_release -cs)-updates main restricted universe multiversedeb-src http://${URL}/ubuntu/ $(lsb_release -cs)-updates main restricted universe multiverse
deb http://${URL}/ubuntu/ $(lsb_release -cs)-proposed main restricted universe multiversedeb-src http://${URL}/ubuntu/ $(lsb_release -cs)-proposed main restricted universe multiverse
deb http://${URL}/ubuntu/ $(lsb_release -cs)-backports main restricted universe multiversedeb-src http://${URL}/ubuntu/ $(lsb_release -cs)-backports main restricted universe multiverseEOF    ${COLOR}"更新镜像源中,请稍等..."${END}    apt update &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} APT源设置完成!"${END}}
apt_menu(){    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF1)阿里镜像源2)华为镜像源3)腾讯镜像源4)清华镜像源5)网易镜像源6)南京大学镜像源7)中科大镜像源8)上海交通大学镜像源9)退出EOF        echo -e '\E[0m'
        read -p "请输入镜像源编号(1-9): " NUM        case ${NUM} in        1)            aliyun            set_apt            ;;        2)            huawei            set_apt            ;;        3)            tencent            set_apt            ;;        4)            tuna            set_apt            ;;        5)            netease            set_apt            ;;        6)            nju            set_apt            ;;        7)            ustc            set_apt            ;;        8)            sjtu            set_apt            ;;        9)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-9)!"${END}            ;;        esac    done}
set_mirror_repository(){    if [ ${OS_ID} == "CentOS" ];then        centos_menu    elif [ ${OS_ID} == "Rocky" ];then        rocky_menu    else        apt_menu    fi}
centos_minimal_install(){    ${COLOR}'开始安装“Minimal安装建议安装软件包”,请稍等......'${END}    yum -y install gcc make autoconf gcc-c++ glibc glibc-devel pcre pcre-devel openssl openssl-devel systemd-devel zlib-devel vim lrzsz tree tmux lsof tcpdump wget net-tools iotop bc bzip2 zip unzip nfs-utils man-pages &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} Minimal安装建议安装软件包已安装完成!"${END}}
ubuntu_minimal_install(){    ${COLOR}'开始安装“Minimal安装建议安装软件包”,请稍等......'${END}    apt -y install iproute2 ntpdate tcpdump telnet traceroute nfs-kernel-server nfs-common lrzsz tree openssl libssl-dev libpcre3 libpcre3-dev zlib1g-dev gcc openssh-server iotop unzip zip    ${COLOR}"${OS_ID} ${OS_RELEASE} Minimal安装建议安装软件包已安装完成!"${END}}
minimal_install(){    if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ] &> /dev/null;then        centos_minimal_install    else        ubuntu_minimal_install    fi}
set_mail(){                                                                                                     if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then        rpm -q postfix &> /dev/null || { yum -y install postfix &> /dev/null; systemctl enable --now postfix &> /dev/null; }        rpm -q mailx &> /dev/null || yum -y install mailx &> /dev/null    else        dpkg -s mailutils &> /dev/null || apt -y install mailutils    fi    read -p "请输入邮箱地址: " MAIL    read -p "请输入邮箱授权码: " AUTH    SMTP=`echo ${MAIL} |awk -F"@" '{print $2}'`    cat >~/.mailrc <<-EOFset from=${MAIL}set smtp=smtp.${SMTP}set smtp-auth-user=${MAIL}set smtp-auth-password=${AUTH}set smtp-auth=loginset ssl-verify=ignoreEOF    ${COLOR}"${OS_ID} ${OS_RELEASE} 邮件设置完成,请重新登录后才能生效!"${END}}
set_sshd_port(){    disable_selinux    disable_firewall    read -p "请输入端口号: " PORT    sed -i 's/#Port 22/Port '${PORT}'/' /etc/ssh/sshd_config    ${COLOR}"${OS_ID} ${OS_RELEASE} 更改SSH端口号已完成,请重启系统后生效!"${END}}
set_centos_eth(){    ETHNAME=`ip addr | awk -F"[ :]" '/^2/{print $3}'`    #修改网卡名称配置文件  if grep -Eqi "(net\.ifnames|biosdevname)" /etc/default/grub;then        ${COLOR}"${OS_ID} ${OS_RELEASE} 网卡名配置文件已修改,不用修改!"${END}    else        sed -ri.bak '/^GRUB_CMDLINE_LINUX=/s@"$@ net.ifnames=0 biosdevname=0"@' /etc/default/grub        grub2-mkconfig -o /boot/grub2/grub.cfg >& /dev/null    fi
    #修改网卡文件名    if [ ${OS_RELEASE_VERSION} == "6" -o ${OS_RELEASE_VERSION} == "7" -o ${OS_RELEASE_VERSION} == "8" ];then        mv /etc/sysconfig/network-scripts/ifcfg-${ETHNAME} /etc/sysconfig/network-scripts/ifcfg-eth0    else        mv /etc/NetworkManager/system-connections/${ETHNAME}.nmconnection /etc/NetworkManager/system-connections/eth0.nmconnection    fi    ${COLOR}"${OS_ID} ${OS_RELEASE} 网卡名已修改成功，请重新启动系统后才能生效!"${END}}
set_ubuntu_eth(){    #修改网卡名称配置文件  if grep -Eqi "(net\.ifnames|biosdevname)" /etc/default/grub;then        ${COLOR}"${OS_ID} ${OS_RELEASE} 网卡名配置文件已修改,不用修改!"${END}    else        sed -ri.bak '/^GRUB_CMDLINE_LINUX=/s@"$@net.ifnames=0 biosdevname=0"@' /etc/default/grub        grub-mkconfig -o /boot/grub/grub.cfg >& /dev/null        ${COLOR}"${OS_ID} ${OS_RELEASE} 网卡名已修改成功,请重新启动系统后才能生效!"${END}    fi}
set_eth(){    if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then        if [ ${OS_RELEASE_VERSION} == 6 ];then            ${COLOR}"${OS_ID} ${OS_RELEASE} 不用修改网卡名"${END}        else            set_centos_eth        fi    else        set_ubuntu_eth    fi}
check_ip(){    local IP=$1    VALID_CHECK=$(echo ${IP}|awk -F. '$1<=255&&$2<=255&&$3<=255&&$4<=255{print "yes"}')    if echo ${IP}|grep -E "^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$" >/dev/null; then        if [ ${VALID_CHECK} == "yes" ]; then            echo "IP ${IP}  available!"            return 0        else            echo "IP ${IP} not available!"            return 1        fi    else        echo "IP format error!"        return 1    fi}
set_centos_ip(){    while true; do        read -p "请输入IP地址: " IP        check_ip ${IP}        [ $? -eq 0 ] && break    done    read -p "请输入子网掩码位数: " C_PREFIX    while true; do        read -p "请输入网关地址: " GATEWAY        check_ip ${GATEWAY}        [ $? -eq 0 ] && break    done    cat > /etc/sysconfig/network-scripts/ifcfg-eth0 <<-EOFNAME=eth0DEVICE=eth0ONBOOT=yesBOOTPROTO=noneTYPE=EthernetIPADDR=${IP}PREFIX=${C_PREFIX}GATEWAY=${GATEWAY}DNS1=223.5.5.5DNS2=180.76.76.76EOF    ${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,请重新启动系统后生效!"${END}}
set_centos_9_ip(){    while true; do        read -p "请输入IP地址: " IP        check_ip ${IP}        [ $? -eq 0 ] && break    done    read -p "请输入子网掩码位数: " C_PREFIX    while true; do        read -p "请输入网关地址: " GATEWAY        check_ip ${GATEWAY}        [ $? -eq 0 ] && break    done    cat > /etc/NetworkManager/system-connections/eth0.nmconnection <<-EOF[connection]id=eth0type=ethernetinterface-name=eth0
[ethernet]
[ipv4]address1=${IP}/${C_PREFIX},${GATEWAY}dns=223.5.5.5;180.76.76.76;method=manual
[ipv6]addr-gen-mode=defaultmethod=auto
[proxy]EOF    ${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,请重新启动系统后生效!"${END}}
set_ubuntu_ip(){    while true; do        read -p "请输入IP地址: " IP        check_ip ${IP}        [ $? -eq 0 ] && break    done    read -p "请输入子网掩码位数: " U_PREFIX    while true; do        read -p "请输入网关地址: " GATEWAY        check_ip ${GATEWAY}        [ $? -eq 0 ] && break    done    cat > /etc/netplan/01-netcfg.yaml <<-EOFnetwork:  version: 2  renderer: networkd  ethernets:    eth0:      dhcp4: no      dhcp6: no      addresses: [${IP}/${U_PREFIX}]       gateway4: ${GATEWAY}      nameservers:        addresses: [223.5.5.5, 180.76.76.76]EOF    ${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,请重新启动系统后生效!"${END}}
set_ubuntu_22_ip(){    while true; do        read -p "请输入IP地址: " IP        check_ip ${IP}        [ $? -eq 0 ] && break    done    read -p "请输入子网掩码位数: " U_PREFIX    while true; do        read -p "请输入网关地址: " GATEWAY        check_ip ${GATEWAY}        [ $? -eq 0 ] && break    done    cat > /etc/netplan/00-installer-config.yaml <<-EOFnetwork:  version: 2  renderer: networkd  ethernets:    eth0:      dhcp4: no      dhcp6: no      addresses: [${IP}/${U_PREFIX}]      routes:        - to: default          via: ${GATEWAY}      nameservers:        addresses: [223.5.5.5, 180.76.76.76]EOF    ${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,请重新启动系统后生效!"${END}}
set_ip(){    if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then        if [ ${OS_RELEASE_VERSION} == "6" -o ${OS_RELEASE_VERSION} == "7" -o ${OS_RELEASE_VERSION} == "8" ];then            set_centos_ip        else            set_centos_9_ip        fi    elif [ ${OS_RELEASE_VERSION} == "18" -o ${OS_RELEASE_VERSION} == "20" ];then        set_dual_ubuntu_ip     else        set_dual_ubuntu_22_ip    fi}
set_dual_centos_ip(){    while true; do        read -p "请输入第一块网卡IP地址: " IP        check_ip ${IP}        [ $? -eq 0 ] && break    done    read -p "请输入子网掩码位数: " C_PREFIX    while true; do        read -p "请输入网关地址: " GATEWAY        check_ip ${GATEWAY}        [ $? -eq 0 ] && break    done    cat > /etc/sysconfig/network-scripts/ifcfg-eth0 <<-EOFNAME=eth0DEVICE=eth0ONBOOT=yesBOOTPROTO=noneTYPE=EthernetIPADDR=${IP}PREFIX=${C_PREFIX}GATEWAY=${GATEWAY}DNS1=223.5.5.5DNS2=180.76.76.76EOF    while true; do        read -p "请输入第二块网卡IP地址: " IP2        check_ip ${IP2}        [ $? -eq 0 ] && break    done    read -p "请输入子网掩码位数: " C_PREFIX2    cat > /etc/sysconfig/network-scripts/ifcfg-eth1 <<-EOFNAME=eth1DEVICE=eth1ONBOOT=yesBOOTPROTO=noneTYPE=EthernetIPADDR=${IP2}PREFIX=${C_PREFIX2}EOF    ${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,请重新启动系统后生效!"${END}}
set_dual_centos_9_ip(){    while true; do        read -p "请输入第一块网卡IP地址: " IP        check_ip ${IP}        [ $? -eq 0 ] && break    done    read -p "请输入子网掩码位数: " C_PREFIX    while true; do        read -p "请输入网关地址: " GATEWAY        check_ip ${GATEWAY}        [ $? -eq 0 ] && break    done    cat > /etc/NetworkManager/system-connections/eth0.nmconnection <<-EOF[connection]id=eth0type=ethernetinterface-name=eth0
[ethernet]
[ipv4]address1=${IP}/${C_PREFIX},${GATEWAY}dns=223.5.5.5;180.76.76.76;method=manual
[ipv6]addr-gen-mode=defaultmethod=auto
[proxy]EOF    while true; do        read -p "请输入第二块网卡IP地址: " IP2        check_ip ${IP2}        [ $? -eq 0 ] && break    done    read -p "请输入子网掩码位数: " C_PREFIX2    cat > /etc/NetworkManager/system-connections/eth1.nmconnection <<-EOF[connection]id=eth1type=ethernetinterface-name=eth1
[ethernet]
[ipv4]address1=${IP2}/${C_PREFIX2}method=manual
[ipv6]addr-gen-mode=defaultmethod=auto
[proxy]EOF    chmod 600 /etc/NetworkManager/system-connections/eth1.nmconnection    ${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,请重新启动系统后生效!"${END}}
set_dual_ubuntu_ip(){    while true; do        read -p "请输入第一块网卡IP地址: " IP        check_ip ${IP}        [ $? -eq 0 ] && break    done    read -p "请输入子网掩码位数: " U_PREFIX    while true; do        read -p "请输入网关地址: " GATEWAY        check_ip ${GATEWAY}        [ $? -eq 0 ] && break    done    while true; do        read -p "请输入第二块网卡IP地址: " IP2        check_ip ${IP2}        [ $? -eq 0 ] && break    done    read -p "请输入子网掩码位数: " U_PREFIX2    cat > /etc/netplan/01-netcfg.yaml <<-EOFnetwork:  version: 2  renderer: networkd  ethernets:    eth0:      dhcp4: no      dhcp6: no      addresses: [${IP}/${U_PREFIX}]       gateway4: ${GATEWAY}      nameservers:        addresses: [223.5.5.5, 180.76.76.76]    eth1:      dhcp4: no      dhcp6: no      addresses: [${IP2}/${U_PREFIX2}] EOF    ${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,请重新启动系统后生效!"${END}}
set_dual_ubuntu_22_ip(){    while true; do        read -p "请输入第一块网卡IP地址: " IP        check_ip ${IP}        [ $? -eq 0 ] && break    done    read -p "请输入子网掩码位数: " U_PREFIX    while true; do        read -p "请输入网关地址: " GATEWAY        check_ip ${GATEWAY}        [ $? -eq 0 ] && break    done    while true; do        read -p "请输入第二块网卡IP地址: " IP2        check_ip ${IP2}        [ $? -eq 0 ] && break    done    read -p "请输入子网掩码位数: " U_PREFIX2    cat > /etc/netplan/00-installer-config.yaml <<-EOFnetwork:  version: 2  renderer: networkd  ethernets:    eth0:      dhcp4: no      dhcp6: no      addresses: [${IP}/${U_PREFIX}]       routes:        - to: default          via: ${GATEWAY}      nameservers:        addresses: [223.5.5.5, 180.76.76.76]    eth1:      dhcp4: no      dhcp6: no      addresses: [${IP2}/${U_PREFIX2}] EOF    ${COLOR}"${OS_ID} ${OS_RELEASE} IP地址、网关地址和DNS已修改成功,请重新启动系统后生效!"${END}}
set_dual_ip(){    if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then        if [ ${OS_RELEASE_VERSION} == "6" -o ${OS_RELEASE_VERSION} == "7" -o ${OS_RELEASE_VERSION} == "8" ];then            set_dual_centos_ip        else            set_dual_centos_9_ip        fi    elif [ ${OS_RELEASE_VERSION} == "18" -o ${OS_RELEASE_VERSION} == "20" ];then        set_dual_ubuntu_ip     else        set_dual_ubuntu_22_ip    fi}
set_hostname_all(){    read -p "请输入主机名: " HOST    hostnamectl set-hostname ${HOST}    ${COLOR}"${OS_ID} ${OS_RELEASE} 主机名设置成功,请重新登录生效!"${END}}
set_hostname6(){    read -p "请输入主机名: " HOST    sed -i.bak -r '/^HOSTNAME/s#^(HOSTNAME=).*#\1'${HOST}'#' /etc/sysconfig/network    ${COLOR}"${OS_ID} ${OS_RELEASE} 主机名设置成功,请重新登录生效!"${END}}
set_hostname(){    if [ ${OS_RELEASE_VERSION} == 6 ];then        set_hostname6    else        set_hostname_all    fi}
red(){    P_COLOR=31}
green(){    P_COLOR=32}
yellow(){    P_COLOR=33}
blue(){    P_COLOR=34}
violet(){    P_COLOR=35}
cyan_blue(){    P_COLOR=36}
random_color(){    P_COLOR="$[RANDOM%7+31]"}
centos_ps1(){    C_PS1=$(echo "PS1='\[\e[1;${P_COLOR}m\][\u@\h \W]\\$ \[\e[0m\]'" >> ~/.bashrc)}
ubuntu_ps1(){    U_PS1=$(echo 'PS1="\[\e[1;'''${P_COLOR}'''m\]${debian_chroot:+($debian_chroot)}\u@\h:\w\\$ \[\e[0m\]"' >> ~/.bashrc)}
set_ps1_env(){    if [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ];then        if grep -Eqi "^PS1" ~/.bashrc;then            sed -i '/^PS1/d' ~/.bashrc            centos_ps1        else            centos_ps1        fi    fi    if [ ${OS_ID} == "Ubuntu" ];then        if grep -Eqi "^PS1" ~/.bashrc;then            sed -i '/^PS1/d' ~/.bashrc            ubuntu_ps1        else            ubuntu_ps1        fi    fi}
set_ps1(){    TIPS="${COLOR}${OS_ID} ${OS_RELEASE} PS1设置成功,请重新登录生效!${END}"    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF1)31 红色2)32 绿色3)33 黄色4)34 蓝色5)35 紫色6)36 青色7)随机颜色8)退出EOF        echo -e '\E[0m'
        read -p "请输入颜色编号(1-8): " NUM        case ${NUM} in        1)            red            set_ps1_env            ${TIPS}            ;;        2)            green            set_ps1_env            ${TIPS}            ;;        3)            yellow            set_ps1_env            ${TIPS}            ;;        4)            blue            set_ps1_env            ${TIPS}            ;;        5)            violet            set_ps1_env            ${TIPS}            ;;        6)            cyan_blue            set_ps1_env            ${TIPS}            ;;        7)            random_color            set_ps1_env            ${TIPS}            ;;        8)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-8)!"${END}            ;;        esac    done}
set_vim(){    echo "export EDITOR=vim" >> ~/.bashrc}
set_vim_env(){    if grep -Eqi ".*EDITOR" ~/.bashrc;then        sed -i '/.*EDITOR/d' ~/.bashrc        set_vim    else        set_vim    fi    ${COLOR}"${OS_ID} ${OS_RELEASE} 默认文本编辑器设置成功,请重新登录生效!"${END}}
set_history(){    echo 'export HISTTIMEFORMAT="%F %T "' >> ~/.bashrc }
set_history_env(){    if grep -Eqi ".*HISTTIMEFORMAT" ~/.bashrc;then        sed -i '/.*HISTTIMEFORMAT/d' ~/.bashrc        set_history    else        set_history    fi    ${COLOR}"${OS_ID} ${OS_RELEASE} history格式设置成功,请重新登录生效!"${END}}
set_swap(){    sed -ri 's/.*swap.*/#&/' /etc/fstab    if [ ${OS_ID} == "Ubuntu" ];then        if [ ${OS_RELEASE_VERSION} == 20 -o ${OS_RELEASE_VERSION} == 22 ];then            SD_NAME=`lsblk|awk -F"[ └─]" '/SWAP/{printf $3}'`            systemctl mask dev-${SD_NAME}.swap &> /dev/null        fi    fi    swapoff -a    ${COLOR}"${OS_ID} ${OS_RELEASE} 禁用swap成功!"${END}}
set_kernel(){    cat > /etc/sysctl.conf <<-EOF# Controls source route verificationnet.ipv4.conf.default.rp_filter = 1net.ipv4.ip_nonlocal_bind = 1net.ipv4.ip_forward = 1
# Do not accept source routingnet.ipv4.conf.default.accept_source_route = 0
# Controls the System Request debugging functionality of the kernelkernel.sysrq = 0
# Controls whether core dumps will append the PID to the core filename.# Useful for debugging multi-threaded applications.kernel.core_uses_pid = 1
# Controls the use of TCP syncookiesnet.ipv4.tcp_syncookies = 1
# Disable netfilter on bridges.net.bridge.bridge-nf-call-ip6tables = 0net.bridge.bridge-nf-call-iptables = 0net.bridge.bridge-nf-call-arptables = 0
# Controls the default maxmimum size of a mesage queuekernel.msgmnb = 65536
# Controls the maximum size of a message, in byteskernel.msgmax = 65536
# Controls the maximum shared segment size, in byteskernel.shmmax = 68719476736
# Controls the maximum number of shared memory segments, in pageskernel.shmall = 4294967296
# TCP kernel paramaternet.ipv4.tcp_mem = 786432 1048576 1572864net.ipv4.tcp_rmem = 4096        87380   4194304net.ipv4.tcp_wmem = 4096        16384   4194304net.ipv4.tcp_window_scaling = 1net.ipv4.tcp_sack = 1
# socket buffernet.core.wmem_default = 8388608net.core.rmem_default = 8388608net.core.rmem_max = 16777216net.core.wmem_max = 16777216net.core.netdev_max_backlog = 262144net.core.somaxconn = 20480net.core.optmem_max = 81920
# TCP connnet.ipv4.tcp_max_syn_backlog = 262144net.ipv4.tcp_syn_retries = 3net.ipv4.tcp_retries1 = 3net.ipv4.tcp_retries2 = 15
# tcp conn reusenet.ipv4.tcp_tw_reuse = 1net.ipv4.tcp_tw_recycle = 0net.ipv4.tcp_fin_timeout = 30net.ipv4.tcp_timestamps = 0
net.ipv4.tcp_max_tw_buckets = 20000net.ipv4.tcp_max_orphans = 3276800net.ipv4.tcp_synack_retries = 1net.ipv4.tcp_syncookies = 1
# keepalive connnet.ipv4.tcp_keepalive_time = 300net.ipv4.tcp_keepalive_intvl = 30net.ipv4.tcp_keepalive_probes = 3net.ipv4.ip_local_port_range = 10001    65000
# swapvm.overcommit_memory = 0vm.swappiness = 10
#net.ipv4.conf.eth1.rp_filter = 0#net.ipv4.conf.lo.arp_ignore = 1#net.ipv4.conf.lo.arp_announce = 2#net.ipv4.conf.all.arp_ignore = 1#net.ipv4.conf.all.arp_announce = 2EOF    sysctl -p &> /dev/null    ${COLOR}"${OS_ID} ${OS_RELEASE} 优化内核参数成功!"${END}}
set_limits(){    cat >> /etc/security/limits.conf <<-EOFroot     soft   core     unlimitedroot     hard   core     unlimitedroot     soft   nproc    1000000root     hard   nproc    1000000root     soft   nofile   1000000root     hard   nofile   1000000root     soft   memlock  32000root     hard   memlock  32000root     soft   msgqueue 8192000root     hard   msgqueue 8192000EOF    ${COLOR}"${OS_ID} ${OS_RELEASE} 优化资源限制参数成功!"${END}}
set_localtime(){    ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime    echo 'Asia/Shanghai' >/etc/timezone    if [ ${OS_ID} == "Ubuntu" ];then        cat >> /etc/default/locale <<-EOFLC_TIME=en_DK.UTF-8EOF    fi    ${COLOR}"${OS_ID} ${OS_RELEASE} 系统时区已设置成功,请重启系统后生效!"${END}}
disable_restart(){    if [ -f /usr/lib/systemd/system/ctrl-alt-del.target ];then        cp /usr/lib/systemd/system/ctrl-alt-del.target{,.bak}        rm -f /usr/lib/systemd/system/ctrl-alt-del.target        ${COLOR}"${OS_ID} ${OS_RELEASE} 禁用ctrl+alt+del重启处理成功!"${END}    else        ${COLOR}"${OS_ID} ${OS_RELEASE} 禁用ctrl+alt+del已处理!"${END}    fi}
set_root_login(){    read -p "请输入密码: " PASSWORD    echo ${PASSWORD} |sudo -S sed -ri 's@#(PermitRootLogin )prohibit-password@\1yes@' /etc/ssh/sshd_config    sudo systemctl restart sshd    sudo -S passwd root <<-EOF${PASSWORD}${PASSWORD}EOF    ${COLOR}"${OS_ID} ${OS_RELEASE} root用户登录已设置完成,请重新登录后生效!"${END}}
ubuntu_remove(){    apt purge ufw lxd lxd-client lxcfs liblxc-common    ${COLOR}"${OS_ID} ${OS_RELEASE} 无用软件包卸载完成!"${END}}
menu(){    while true;do        echo -e "\E[$[RANDOM%7+31];1m"        cat <<-EOF*********************************************************************                           初始化脚本菜单                         ** 1.禁用SELinux                    15.设置PS1(请进入选择颜色)      ** 2.关闭防火墙                     16.设置默认文本编辑器为vim      ** 3.优化SSH                        17.设置history格式              ** 4.设置系统别名                   18.禁用SWAP                     ** 5.1-4全设置                      19.优化内核参数                 ** 6.设置vimrc配置文件              20.优化资源限制参数             ** 7.设置镜像仓库                   21.设置系统时区                 ** 8.Minimal安装建议安装软件        22.禁用ctrl+alt+del重启         ** 9.安装邮件服务并配置邮件         23.Ubuntu设置root用户登录       ** 10.更改SSH端口号                 24.Ubuntu卸载无用软件包         ** 11.修改网卡名                    25.重启系统                     ** 12.修改IP地址和网关地址(单网卡)  26.关机                         ** 13.修改IP地址和网关地址(双网卡)  27.退出                         ** 14.设置主机名                                                    *********************************************************************EOF        echo -e '\E[0m'
        read -p "请选择相应的编号(1-27): " choice        case ${choice} in        1)            disable_selinux            ;;        2)            disable_firewall            ;;        3)            optimization_sshd            ;;        4)            set_alias            ;;        5)            disable_selinux            disable_firewall            optimization_sshd            set_alias            ;;        6)            set_vimrc            ;;        7)            set_mirror_repository            ;;        8)            minimal_install            ;;        9)            set_mail            ;;        10)            set_sshd_port            ;;        11)            set_eth            ;;        12)            set_ip            ;;        13)            set_dual_ip            ;;        14)            set_hostname            ;;        15)            set_ps1            ;;        16)            set_vim_env            ;;        17)            set_history_env            ;;        18)            set_swap            ;;        19)            set_kernel            ;;        20)            set_limits            ;;        21)            set_localtime            ;;        22)            disable_restart            ;;        23)            set_root_login            ;;        24)            ubuntu_remove            ;;        25)            reboot            ;;        26)            shutdown -h now            ;;        27)            break            ;;        *)            ${COLOR}"输入错误,请输入正确的数字(1-27)!"${END}            ;;        esac    done}
main(){    os    menu}
main

 

raymond

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posted @ 2023-02-10 00:11  往事已成昨天  阅读(289)  评论(0)  编辑  收藏  举报