centos7的mysql怎么重启

centos7自带是mariadb，一个mysql的变种。查看有没有安装过：yum list installed mysql*rpm -qa | grep mysql*安装mysql软件（mariadb）yum install mysql*启动mysqlsystemctl start mariadb.service 或者 systemctl start mysqld.service结束systemctl stop mariadb.service 或者 systemctl stop mysqld.service重启systemctl restart mariadb.service 或者 systemctl restart mysqld.service开机自启systemctl enable mariadb.service 或者 systemctl enable mysqld.service