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

    Centos启动mysql 报错,解决方法见最后一部分.

    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。

    原文:http://www.cnblogs.com/visi_zhangyang/archive/2012/03/05/2380531.html



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