如图，提示Another MySQL daemon already running with the same unix socket，另一个MySQL守护进程已经用相同的Unix套接字运行。
解决方法：
service mysqld stop
mv /var/lib/mysql/mysql.sock /var/lib/mysql/mysql.sock.bak
service mysqld start
如图：
MySQL重启报错：Another MySQL daemon already running with the same unix socket
