mysql 啟動錯誤，mysql錯誤

mysql 啟動錯誤，mysql錯誤

[root@itcast02 itcast]# /etc/init.d/mysql restart  //啟動服務

 ERROR! MySQL server PID file could not be found!
Starting MySQL................ ERROR! The server quit without updating PID file (/var/lib/mysql/itcast02.pid).//出錯

[root@itcast02 itcast]#mysql -u root -p //登入

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

[root@itcast02 itcast]# /etc/rc.d/init.d/mysqld status   //查看狀態失敗

bash: /etc/rc.d/init.d/mysqld: No such file or directory

[root@itcast02 itcast]#chown -R mysql:mysql /var/lib/mysql    //設定許可權

[root@itcast02 itcast]#/etc/init.d/mysql restart     //重新啟動

 ERROR! MySQL server PID file could not be found!

Starting MySQL...... SUCCESS!    //啟動成功

[root@itcast02 itcast]#mysql -u root -p  //再次登入 成功