MYSQL下如何实现与远程用户连接授权

下文主要给大家带来MYSQL下如何实现与远程用户连接授权，希望这些内容能够带给大家实际用处，这也是我编辑MYSQL下如何实现与远程用户连接授权这篇文章的主要目的。好了，废话不多说，大家直接看下文吧。Last login: Sat Jun 25 21:57:19 2011 from 172.16.0.56
[root@localhost ~]# /usr/bin/mysqladmin -u root password 123456
/usr/bin/mysqladmin: connect to server at ‘localhost’ failed
error: ‘Access denied for user ‘root’@’localhost’ (using password: NO)’
[root@localhost ~]#
[root@localhost ~]# ls
anaconda-ks.cfg Desktop install.log.syslog
BAK20110625.bash_profile install.log
[root@localhost ~]# mysql
ERROR 1045 (28000): Access denied for user ‘root’@’localhost’ (using password: NO)
[root@localhost ~]# mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or g.
Your MySQL connection id is 187
Server version: 5.0.77 Source distributionType ‘help;’ or ‘h’ for help. Type ‘c’ to clear the buffer.mysql> show databases;
+——————–+
| Database |
+——————–+
| information_schema |
| mysql |
| test |
+——————–+
3 rows in set (0.03 sec)mysql> ls
-> show databases;
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘ls
show databases’ at line 1
mysql> show databases;
+——————–+
| Database |
+——————–+
| information_schema |
| mysql |
| test |
+——————–+
3 rows in set (0.00 sec)mysql> use mysql;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -ADatabase changed
mysql> show tables;
+—————————+
| Tables_in_mysql |
+—————————+
| columns_priv |
| db |
| func |
| help_category |
| help_keyword |
| help_relation |
| help_topic |
| host |
| proc |
| procs_priv |
| tables_priv |
| time_zone |
| time_zone_leap_second |
| time_zone_name |
| time_zone_transition |
| time_zone_transition_type |
| user |
+—————————+
17 rows in set (0.00 sec)mysql> select * from host;
Empty set (0.00 sec)mysql> select from host
-> select from host;
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘select from host’ at line 2
mysql> select from host;
Empty set (0.00 sec)mysql> update user set host = ‘%’ where user = ‘root’;
ERROR 1062 (23000): Duplicate entry ‘%-root’ for key 1
mysql> ls
-> show tables;
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘ls
show tables’ at line 1
mysql> ls show tables;
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘ls show tables’ at line 1
mysql> show databases;
+——————–+
| Database |
+——————–+
| information_schema |
| mysql |
| test |
+——————–+
3 rows in set (0.01 sec)mysql> update user set host = ‘%’ where user = ‘root’;
ERROR 1062 (23000): Duplicate entry ‘%-root’ for key 1
mysql> update user set host = ‘%’ where user = ‘root’;
ERROR 1062 (23000): Duplicate entry ‘%-root’ for key 1
mysql> Aborted
[root@localhost ~]# mysql
ERROR 1045 (28000): Access denied for user ‘root’@’localhost’ (using password: NO)
[root@localhost ~]# mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or g.
Your MySQL connection id is 194
Server version: 5.0.77 Source distributionType ‘help;’ or ‘h’ for help. Type ‘c’ to clear the buffer.mysql> show databases;
+——————–+
| Database |
+——————–+
| information_schema |
| mysql |
| test |
+——————–+
3 rows in set (0.00 sec)mysql> show tables;
ERROR 1046 (3D000): No database selected
mysql> use mysql;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -ADatabase changed
mysql> show tables;
+—————————+
| Tables_in_mysql |
+—————————+
| columns_priv |
| db |
| func |
| help_category |
| help_keyword |
| help_relation |
| help_topic |
| host |
| proc |
| procs_priv |
| tables_priv |
| time_zone |
| time_zone_leap_second |
| time_zone_name |
| time_zone_transition |
| time_zone_transition_type |
| user |
+—————————+
17 rows in set (0.00 sec)#对远程用户进行授权mysql> GRANT ALL PRIVILEGES ON . TO ‘myuser’@’%’ IDENTIFIED BY ‘123456’ WITH GRANT OPTION;
Query OK, 0 rows affected (0.02 sec)mysql>#对远程指定IP用户进行授权
mysql> GRANT ALL PRIVILEGES ON . TO ‘root’@’172.16.0.62’ IDENTIFIED BY ‘123456’ WITH GRANT OPTION;
Query OK, 0 rows affected (0.00 sec)mysql>#对本机用户进行授权GRANT ALL PRIVILEGES ON . TO root@localhost IDENTIFIED BY ‘123456’ WITH GRANT OPTION;#对127.0.0.1用户进行授权GRANT ALL PRIVILEGES ON . TO root@127.0.0.1 IDENTIFIED BY ‘123456’ WITH GRANT OPTION;GRANT ALL PRIVILEGES ON . TO root@’%’ IDENTIFIED BY ‘123456’ WITH GRANT OPTION;对于以上关于MYSQL下如何实现与远程用户连接授权，大家是不是觉得非常有帮助。如果需要了解更多内容，请继续关注我们的行业资讯，相信你会喜欢上这些开发云主机域名内容的。

相关推荐: 使用sysbench压力测试MySQL（三）(r12笔记第6天)

昨天使用gdb调试MySQL中事务临界状态的时候，发现其实有些场景可能比我想得还要复杂一些，所以我在昨天的测试中结尾也是快快扫过，但是表明了意思即可。这一点上我在后面会把Oracle的临界事务状态也拿出来对比一下，还是蛮有意思的。 今天简单写了几个脚本继续对一…