1.下载mysql的yum源
wget http://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm
2.安装yum源
yum localinstall mysql57-community-release-el7-8.noarch.rpm
3.检查是否安装成功
yum repolist enabled | grep "mysql.*-community.*"
3.安装mysql
yum install mysql-community-server
4.启动服务
systemctl start mysqld
5.设置开机启动
systemctl enable mysqld
systemctl daemon-reload
5.修改root密码
mysql安装完成之后,在/var/log/mysqld.log文件中给root生成了一个默认密码。通过下面的方式找到root默认密码,然后登录mysql进行修改:
6.默认只允许本地连接,需要授权
grant all privileges on *.* to 'root' @'%' identified by '123456';
flush privileges;
7.默认配置文件
配置文件:/etc/my.cnf