mysql 用户除了root一般不建议本地登录

1. 创建数据库:
mysql> create database zjzc  DEFAULT CHARACTER SET utf8;
Query OK, 1 row affected (0.14 sec)


2.导入数据
v-lhb-db03:/root/20150512/zjzc# mysql -uroot -p1234567 zjzc<zjzc_20150512.sql 
Warning: Using a password on the command line interface can be insecure.


3.创建用户

 GRANT USAGE ON *.* TO 'zjzc_app'@'%' IDENTIFIED BY '1234567';

mysql>  GRANT ALL PRIVILEGES ON zjzc.*  TO 'zjzc_app'@'%';
Query OK, 0 rows affected (0.02 sec)


mysql> select Host,user from mysql.user;
+------------+----------+
| Host       | user     |
+------------+----------+
| %          | test     |
| %          | zjzc_app |
| 127.0.0.1  | root     |
| ::1        | root     |
| localhost  |          |
| localhost  | root     |
| v-lhb-db03 |          |
| v-lhb-db03 | root     |
+------------+----------+
8 rows in set (0.00 sec)

mysql> show grants for 'zjzc_app'@'%';
+---------------------------------------------------------------------------------------------------------+
| Grants for zjzc_app@%                                                                                   |
+---------------------------------------------------------------------------------------------------------+
| GRANT USAGE ON *.* TO 'zjzc_app'@'%' IDENTIFIED BY PASSWORD '*6A7A490FB9DC8C33C2B025A91737077A7E9CC5E5' |
| GRANT ALL PRIVILEGES ON `zjzc`.* TO 'zjzc_app'@'%'                                                      |
+---------------------------------------------------------------------------------------------------------+
2 rows in set (0.00 sec)


4.远程登录和本地登录:

v-lhb-db03:/root/20150512/zjzc# mysql -uzjzc_app -p1234567
Warning: Using a password on the command line interface can be insecure.
ERROR 1045 (28000): Access denied for user 'zjzc_app'@'localhost' (using password: YES)


1.远程登录:
从192.168.32.14 登录192.168.32.119 
v-dev-db01:/root# mysql -uzjzc_app -h192.168.32.119 -p1234567
Warning: Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or g.
Your MySQL connection id is 52
Server version: 5.6.22-log Source distribution

Copyright (c) 2000, 2014, 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> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| test               |
| zjzc               |
+--------------------+
3 rows in set (0.00 sec)



在119 本机上:
v-lhb-db03:/root/20150512/zjzc# /sbin/ifconfig -a
eth0      Link encap:Ethernet  HWaddr 00:0C:29:FD:D7:EC  
          inet addr:192.168.32.119  Bcast:192.168.32.255  Mask:255.255.255.0

1.v-lhb-db03:/root/20150512/zjzc# mysql -uzjzc_app -h192.168.32.119 -p1234567 可以登录

2.v-lhb-db03:/root/20150512/zjzc# mysql -uzjzc_app -hlocalhost --可以登录

3.v-lhb-db03:/root/20150512/zjzc# mysql -uzjzc_app -p1234567
Warning: Using a password on the command line interface can be insecure.
ERROR 1045 (28000): Access denied for user 'zjzc_app'@'localhost' (using password: YES) --不能登录

--给本地授权
GRANT USAGE ON *.* TO 'zjzc_app'@'localhost';

mysql>  show grants for 'zjzc_app'@'%';
+---------------------------------------------------------------------------------------------------------+
| Grants for zjzc_app@%                                                                                   |
+---------------------------------------------------------------------------------------------------------+
| GRANT USAGE ON *.* TO 'zjzc_app'@'%' IDENTIFIED BY PASSWORD '*6A7A490FB9DC8C33C2B025A91737077A7E9CC5E5' |
| GRANT ALL PRIVILEGES ON `zjzc`.* TO 'zjzc_app'@'%'                                                      |
+---------------------------------------------------------------------------------------------------------+
2 rows in set (0.00 sec)

mysql>   show grants for 'zjzc_app'@'localhost';
+----------------------------------------------+
| Grants for zjzc_app@localhost                |
+----------------------------------------------+
| GRANT USAGE ON *.* TO 'zjzc_app'@'localhost' |
+----------------------------------------------+
1 row in set (0.00 sec)

v-lhb-db03:/root/20150512/zjzc# mysql -uzjzc_app -p1234567
Warning: Using a password on the command line interface can be insecure.
ERROR 1045 (28000): Access denied for user 'zjzc_app'@'localhost' (using password: YES)

还是不行:
GRANT USAGE ON *.* TO 'zjzc_app'@'localhost' IDENTIFIED BY '1234567';


mysql>   show grants for 'zjzc_app'@'localhost';
+-----------------------------------------------------------------------------------------------------------------+
| Grants for zjzc_app@localhost                                                                                   |
+-----------------------------------------------------------------------------------------------------------------+
| GRANT USAGE ON *.* TO 'zjzc_app'@'localhost' IDENTIFIED BY PASSWORD '*6A7A490FB9DC8C33C2B025A91737077A7E9CC5E5' |
+-----------------------------------------------------------------------------------------------------------------+
1 row in set (0.00 sec)