2021 CentOS 6.8 安装 MySQL 5.5

1. 添加rpm源

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 mysql56-community
yum-config-manager --enable mysql55-community

2. 安装yum指令工具包

yum -y install yum-utils

3. 安装Mysql 5.5

安装mysql 服务器

yum install mysql-community-server

启动mysql

service mysqld start

初始化密码

mysql_secure_installation