| 启动mysql 报错: ERROR 2002 (HY000): Can’t connect to local MySQL server through socket ‘/var/lib/mysql/mysql.sock’ (2) 1、先查看 /etc/rc.d/init.d/mysqld status 看看m y s q l 是否已经启动.另外看看是不是权限问题.
 2、确定你的mysql.sock是不是在那个位置,mysql -u 你的mysql用户名 -p -S /var/lib/mysql/mysql.sock
 3、试试:service mysqld start 4、如果是权限问题,则先改变权限 #chown -R mysql:mysql /var/lib/mysql [root@localhost ~]# /etc/init.d/mysqld start启动 MySQL: [ 确定 ]
 [root@localhost ~]# mysql -uroot -p
   ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)原因是,/var/lib/mysql 的访问权限问题。
 
 shell> chown -R mysql:mysql /var/lib/mysql
 
 接着启动服务器
 
 shell> /etc/init.d/mysql start
 
 服务器正常启动后察看 /var/lib/mysql 自动生成mysql.sock文件。
 
 但是我的问题仍然没有得到解决。
 
 问题终于解决:
 方法:    修改/etc/my.conf:
 [mysqld]
 datadir=/usr/local/mysql/data
 socket=/var/lib/mysql/mysql.sock
 
 [mysql.server]
 user=mysql
 basedir=/usr/local/mysql
 
 If there is not currently a section called [client], add one at the bottom of the file and copy the socket= line under the [mysqld] section such as: 
 
 
  [client]  
 socket=/var/lib/mysql/mysql.sock
 发现依旧如此,运行/etc/init.d/mysql start报错:    Starting MySQLCouldn't find MySQL manager or server
 是mysqld服务没启,运行/usr/local/mysql/bin/mysqld_safe &
 
 问题解决。
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