Job for mysqld.service failed because the control process exited with error code. See “systemctl sta

关于mysql启用报错错误信息Job for mysqld.service failed because the control process exited with error code. See systemctl status mysqld.service and journalctl -xe for details.问题描述服务器系统盘空间已满导致mysql异常停止启用mysql导致失败使用如下命查询mysql进程并杀死ps -aux|grep mysql ps -aux|grep mysqldkill -9 3800原因分析杀死进程之后导致mysql进程还在根本杀不死查询mysql杀不死原因重启服务器也不行解决方案有可能是权限不足也有可能是mysql存在锁机制导致mysql进程杀不掉执行下面代码删除mysql锁文件sudo rm /tmp/mysql.sock.lock更改用户权限,确保 MySQL 数据目录及其文件的权限正确sudo rm /tmp/mysql.sock.lock重启 MySQL 服务:sudo systemctl start mysql查询mysql服务状态已经启动:systemctl status mysqld.service再次查询mysql服务启用成功