centos7 安装 mysql（tl）

1. cd /home 下载mysql源安装包

wget https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm

2.安装mysql源

yum localinstall mysql80-community-release-el7-3.noarch.rpm

3.检查是否安装成功

yum repolist enabled | grep "mysql.*-community.*"

4.安装mysql

yum install mysql-community-server

5.启动mysql服务

systemctl start mysqld

6.查看启动状态

systemctl status mysqld

7.设置开机启动

systemctl enable mysqld
systemctl daemon-reload

参考：https://www.cnblogs.com/crazycode2/p/12395312.html