1.MySQL服务快速安装
通过yum安装指定版本的MySQL Server
##下载指定本版的mysql server源
[root@VM-0-12-centos ~]# wget http://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm
##导入到本地yum rpm源
[root@VM-0-12-centos ~]# yum localinstall mysql57-community-release-el7-8.noarch.rpm
##查看本地mysql yum源
[root@VM-0-12-centos ~]# yum repolist enabled | grep "mysql.*-community.*"
##通过本地yum rpm源安装mysql server
[root@VM-0-12-centos ~]# yum install -y mysql-community-server