linux centos7 配置yum源
1,软件及系统版本
使用lsb_release -a 可以查看系统发行版本信息
[root@localhost ~]# lsb_release -a
LSB Version: :core-4.1-amd64:core-4.1-noarch:cxx-4.1-amd64:cxx-4.1-noarch:desktop-4.1-amd64:desktop-4.1-noarch:languages-4.1-amd64:languages-4.1-noarch:printing-4.1-amd64:printing-4.1-noarch
Distributor ID: CentOS
Description: CentOS Linux release 7.6.1810 (Core)
Release: 7.6.1810
Codename: Core
2,系统环境准备
2.1 开启防火墙及关系SElinux
systemctl enable firewalld && systemctl start firewalld
sed -i s/SELINUX=enforcing/SELINUX=disabled/g /etc/selinux/config && setenforce 0
2.2 系统软件源配置
curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
curl -o /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
2.3 常用软件安装
yum -y intall vim
2.4 部署时间服务
yum -y install chrony
systemctl enable chronyd && systemctl start chronyd
timedateclt status
3,centos7中yum安装jdk及配置环境变量
3.1 安装之前先查看一下有无系统自带jdk
rpm -qa | grep java
rpm -qa | grep jdk
rpm -qa | grep gcj
3.2 如果有就使用批量卸载命令
rpm -qa | grep java | xargs rpm -e --nodeps
直接yum安装1.8.0版本openjdk
yum -y install java-1.8.0-openjdk* -y
4,centos 7 中yum 安装python3.6
yum install -y python36
5,安装ansible
yum install ansible -y