mysql -h 127.0.01 -u root #这是可以的 mysql -h localhost -u root # 把 127.0.0.1改成localhost 就不可以 有大用 有大大用

[root@mail ~]# mysql -h 127.0.01 -u root   #这是可以的

[root@mail ~]# mysql -h localhost -u root  # 把 127.0.0.1改成localhost 就不可以

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

[root@mail ~]# locate mysql.sock

/mydata/data/mysql.sock

[root@mail ~]# ln -s /mydata/data/mysql.sock /var/lib/mysql/mysql.sock  #建一个到 /var/lib/mysql/mysql.sock 的软链接吧

[root@mail ~]# mysql -h localhost -u root  #此时可以了  ( 此时 直接输 # mysql 也可以 )

Welcome to the MySQL monitor.  Commands end with ; or \g.

Your MySQL connection id is 5

Server version: 5.0.95 Source distribution

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