/usr/bin/mysqladmin -u root password 'hui' 报错的解决

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redhat as 4,使用rpm包安装完mysql的server 跟client后执行以下命令出错。

[root@ftp etc]# /usr/bin/mysqladmin -u root password 'new-password'
/usr/bin/mysqladmin: connect to server at 'localhost' failed
error: 'Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)'
Check that mysqld is running and that the socket: '/var/lib/mysql/mysql.sock' exists!

提示以上错误时执行

/usr/local/mysql/bin/mysqld_safe & service mysql start 即可。

（如果你的mysql目录没有安装在/usr/local/mysql下，则执行/usr/bin/mysqld_safe & service mysql start即可）

使用netstat -na查看，发现mysql的3306端口已经启动了

[root@ftp local]# netstat -na
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address               Foreign Address             State
tcp        0      0 0.0.0.0:32771               0.0.0.0:*                   LISTEN
tcp        0      0 0.0.0.0:3306                0.0.0.0:*                   LISTEN
tcp        0      0 0.0.0.0:111                 0.0.0.0:*                   LISTEN
tcp        0      0 0.0.0.0:627                 0.0.0.0:*                   LISTEN
tcp        0      0 :::22                       :::*                        LISTEN
tcp        0    232 ::ffff:222.194.76.37:22     ::ffff:123.233.213.223:1887 ESTABLISHED
udp        0      0 0.0.0.0:1024                0.0.0.0:*
udp        0      0 0.0.0.0:621                 0.0.0.0:*
udp        0      0 0.0.0.0:111                 0.0.0.0:*
udp        0      0 0.0.0.0:624                 0.0.0.0:*