LInux配置

配置Centos网络源

Centos7

cd /etc/yum.repos.d/

mkdir repo_bak

mv *.repo repo_bak/

wget http://mirrors.aliyun.com/repo/Centos-7.repo


yum clean all


yum makecache


yum update


yum install -y epel-release


wget -O /etc/yum.repos.d/epel-7.repo http://mirrors.aliyun.com/repo/epel-7.repo


yum clean all


yum makecache


yum update

Centos8

cd /etc/yum.repos.d/

mkdir repo_bak

mv *.repo repo_bak/

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-8.repo

yum clean all


yum makecache

yum install -y https://mirrors.aliyun.com/epel/epel-release-latest-8.noarch.rpm

sed -i 's|^#baseurl=https://download.fedoraproject.org/pub|baseurl=https://mirrors.aliyun.com|' /etc/yum.repos.d/epel*
sed -i 's|^metalink|#metalink|' /etc/yum.repos.d/epel*

yum -y install bash-completion wget vim

systemctl stop firewalld && systemctl disable firewalld




sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/sysconfig/selinux




sed -i "s/ONBOOT=no/ONBOOT=yes/" /etc/sysconfig/network-scripts/ifcfg-ens32

sed -i "s/BOOTPROTO=dhcp/BOOTPROTO=none/" /etc/sysconfig/network-scripts/ifcfg-ens33
sed -i "s/ONBOOT=no/ONBOOT=yes/" /etc/sysconfig/network-scripts/ifcfg-ens33
echo -e "IPADDR=10.1.1.3 \nNETMASK=255.255.255.0" >> /etc/sysconfig/network-scripts/ifcfg-ens33


cd /etc/yum.repos.d/

mkdir repo_bak

mv *.repo repo_bak/

wget http://mirrors.aliyun.com/repo/Centos-7.repo

yum install -y epel-release


wget -O /etc/yum.repos.d/epel-7.repo http://mirrors.aliyun.com/repo/epel-7.repo


yum clean all && yum makecache && yum update


cd
 rpm -ivh mysql57-community-release-el7-11.noarch.rpm 


yum -y install mysql-community-server 

 systemctl start mysqld && systemctl enable mysqld
 
 grep 'temporary password' /var/log/mysqld.log  
 
 set global validate_password_policy=0;
 
 set global validate_password_length=1;  
 
 alter user 'root'@'localhost' identified by 'root';
 
 use mysql;
 
 update user set host = '%' where user = 'root';
 
 flush privileges;