linux下mysql无法启动的处理

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$ mysql -u root

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

查了下mysql状态，是真正运行中

$ /etc/rc.d/init.d/mysqld status
mysqld (pid 2873) 正在运行...

继续查看mysql进程

ps aux |grep mysql
root 2765 0.0 0.0 108200 1448 ? S Mar09 0:00 /bin/sh /usr/bin/mysqld_safe --datadir=/home/mysql --socket=/home/mysql/mysql.sock --pid-file=/var/run/mysqld/mysqld.pid --basedir=/usr --user=mysql
mysql 2873 0.3 0.1 7949156 66076 ? Sl Mar09 244:06 /usr/libexec/mysqld --basedir=/usr --datadir=/home/mysql --user=mysql --log-error=/var/log/mysqld.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/home/mysql/mysql.sock
root 9173 0.0 0.0 103260 872 pts/1 S+ 10:30 0:00 grep mysql

估计是默认socket有问题

$mysql --socket=/home/mysql/mysql.sock -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 126327
Server version: 5.1.73 Source distribution

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mysql>

运行成功。

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