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 distribution
Type '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 -A
Database 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 distribution
Type '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 -A
Database 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;
