1、启动命令

[root@xufeng Desktop]# service mysqld start
Redirecting to /bin/systemctl start  mysqld.service

2、关闭命令

[root@xufeng ~]# service mysqld stop
Redirecting to /bin/systemctl stop  mysqld.service

3、重启命令

[root@xufeng ~]# service mysqld restart
Redirecting to /bin/systemctl restart  mysqld.service

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