2021 CentOS 6.8 install MySQL 5.6

1. Configure Yum Alibaba Cloud Source

Since CentOS officially abandoned the maintenance and update of CentOS 6.x, all updates and packages have been removed

1. Backup

mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup

2. Get Alibaba Cloud CentOS 6 source

wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-6.repo

3. Non-Alibaba Cloud server configuration

sed -i -e'/mirrors.cloud.aliyuncs.com/d' -e'/mirrors.aliyuncs.com/d' /etc/yum.repos.d/CentOS-Base.repo

sed -i's/http/https/g' /etc/yum.repos.d/CentOS-Base.repo

4. Adjust the version configuration

sed -i's/$releasever/6.8/g' /etc/yum.repos.d/CentOS-Base.repo

sed -i's/centos/centos-vault/g' /etc/yum.repos.d/CentOS-Base.repo

5. Clear the cache and update the cache

yum clean all && yum makecache

2. Install Mysql 5.6

wget dev.mysql.com/get/mysql-community-release-el6-5.noarch.rpm

yum localinstall mysql-community-release-el6-5.noarch.rpm

yum-config-manager --disable mysql57-community
yum-config-manager --disable mysql55-community
yum-config-manager --enable mysql56-community
yum -y install yum-utils

yum install mysql-community-server

service mysqld start

Initialization password

mysql_secure_installation