linux下启动mysql服务出现问题

直接输入mysql出现如下错误：


ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)

也启动不了mysql

mysql的拥有者是root,而mysql是用mysql用户身份执行当然写不进去了，是系统权限的问题，chown -R mysql:mysql /var/lib/mysql/ 就可以了

然后再启动mysql

service mysqld start

参考:https://stackoverflow.com/questions/4448467/cant-connect-to-local-mysql-server-through-socket-var-lib-mysql-mysql-sock