加不加.service后缀都可以

mysql启动命令

systemctl start mysqld.service

mysql 停止命令

systemctl stop mysqld.service

mysql 重启命令

systemctl restart mysqld.service

mysql 查看状态

systemctl status mysqld.service

mysql 设置开机自启

systemctl enable mysqld.service

查看开机自启

systemctl list-unit-files|grep mysqld.service

关闭开机自启动

systemctl disable mysqld.service