LINUX-MYSQL多实例（tar包安装）---问题

1、启动后关闭问题：

[root@localhost dbdata_3306]# /data/dbdata_3306/mysqld   stop

Stoping MySQL...

/usr/local/mysql/bin/mysqladmin: connect to server at 'localhost' failed

error: 'Access denied for user 'admin'@'localhost' (using password: YES)'

解决方法：

[root@localhost dbdata_3306]# /usr/local/mysql/bin/mysql -u root -p -S /data/dbdata_3306/mysql.sock

Enter password: 

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

Your MySQL connection id is 3

Server version: 5.1.60-log Source distribution

Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its

affiliates. Other names may be trademarks of their respective

owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> GRANT SHUTDOWN ON *.* TO 'admin'@'localhost' IDENTIFIED BY 'password';

Query OK, 0 rows affected (0.01 sec)

mysql> flush privileges;

Query OK, 0 rows affected (0.00 sec)

mysql> quit

Bye

[root@localhost dbdata_3306]# /data/dbdata_3306/mysqld   stop

Stoping MySQL...

[root@localhost dbdata_3306]# /data/dbdata_3306/mysqld   restart

Stoping MySQL...

/usr/local/mysql/bin/mysqladmin: connect to server at 'localhost' failed

error: 'Can't connect to local MySQL server through socket '/data/dbdata_3306/mysql.sock' (2)'

Check that mysqld is running and that the socket: '/data/dbdata_3306/mysql.sock' exists!

Starting MySQL...

[root@localhost dbdata_3306]# /data/dbdata_3306/mysqld   restart

Stoping MySQL...

Starting MySQL...

[root@localhost dbdata_3306]#