解决Linux MySQL报错ERROR 2002

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在Linux安装MySQL有时候会出现[mysql]ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) 这样的错误，具体解决办法如下：

[root@www ~]# rm -rf /var/lib/mysql/*[root@www ~]# rm /var/lock/subsys/mysqldrm: remove regular empty file `/var/lock/subsys/mysqld'? y[root@www ~]# killall mysqld[root@www ~]#  service mysqld start[root@www ~]# /etc/rc.d/init.d/mysqld statusmysqld (pid 5457) is running...

[root@r710-1 /]# mysql -u rootERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)[root@r710-1 /]# vi /etc/my.cnf##########添加如下内容：[client] socket=/var/lib/mysql/mysql.sock

##########保存退出后，##########重启mysql[root@r710-1 /]# service mysqld restartShutting down MySQL.                                       [  OK  ]Starting MySQL.                                            [  OK  ][root@r710-1 /]# mysql -u root -p Enter password: ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)[root@r710-1 /]# mysql -u rootWelcome to the MySQL monitor.  Commands end with ; or \g.Your MySQL connection id is 2Server version: 5.1.45 MySQL Community Server (GPL)Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql>GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'rootpassword' WITH GRANT OPTION;Query OK, 0 rows affected (0.00 sec)mysql>GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' IDENTIFIED BY 'rootpassword' WITH GRANT OPTION;exitBye[root@r710-1 /]# mysql -u root -p

原出处：http://www.linuxidc.com/Linux/2010-06/26890.htm

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