MySQL登录时出现 Access denied for user 'root'@'xxx.xxx.xxx.xxx' (using password: YES) 的原因及解决办法
2017-01-21 15:29
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MySQL登录时出现 Access denied for user 'root'@'xxx.xxx.xxx.xxx' (using password: YES) 的原因及解决办法。
# mysql -u root -h 192.168.194.142 -p
Enter password:
ERROR 1045 (28000): Access denied for user 'root'@'192.168.194.142' (using password: YES)
【解决办法】
1. 先用localhost登录
# mysql -u root -p
Enter password:
2. 执行授权命令
mysql> grant all privileges on *.* to root@'%' identified by '123';
Query OK, 0 rows affected (0.07 sec)
3. 退出再试
mysql> quit
Bye
再试登录:
# mysql -u root -h 192.168.194.142 -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.6.33 MySQL Community Server (GPL)
Copyright (c) 2000, 2016, 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>
成功啦!
下面详细说说如何给用户授权。
mysql> grant 权限1,权限2, ... 权限n on 数据库名称.表名称 to 用户名@用户地址 identified by '连接口令';
权限1,权限2,... 权限n 代表 select、insert、update、delete、create、drop、index、alter、grant、references、reload、shutdown、process、file 等14个权限。
当权限1,权限2,... 权限n 被 all privileges 或者 all 代替时,表示赋予用户全部权限。
当 数据库名称.表名称 被 *.* 代替时,表示赋予用户操作服务器上所有数据库所有表的权限。
用户地址可以是localhost,也可以是IP地址、机器名和域名。也可以用 '%' 表示从任何地址连接。
'连接口令' 不能为空,否则创建失败。
举几个例子:
mysql> grant select,insert,update,delete,create,drop on vtdc.employee to joe@10.163.225.87 identified by ‘123′;
给来自10.163.225.87的用户joe分配可对数据库vtdc的employee表进行select,insert,update,delete,create,drop等操作的权限,并设定口令为123。
mysql> grant all privileges on vtdc.* to joe@10.163.225.87 identified by ‘123′;
给来自10.163.225.87的用户joe分配可对数据库vtdc所有表进行所有操作的权限,并设定口令为123。
mysql> grant all privileges on *.* to joe@10.163.225.87 identified by ‘123′;
给来自10.163.225.87的用户joe分配可对所有数据库的所有表进行所有操作的权限,并设定口令为123。
mysql> grant all privileges on *.* to joe@localhost identified by ‘123′;
给本机用户joe分配可对所有数据库的所有表进行所有操作的权限,并设定口令为123。
# mysql -u root -h 192.168.194.142 -p
Enter password:
ERROR 1045 (28000): Access denied for user 'root'@'192.168.194.142' (using password: YES)
【解决办法】
1. 先用localhost登录
# mysql -u root -p
Enter password:
2. 执行授权命令
mysql> grant all privileges on *.* to root@'%' identified by '123';
Query OK, 0 rows affected (0.07 sec)
3. 退出再试
mysql> quit
Bye
再试登录:
# mysql -u root -h 192.168.194.142 -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.6.33 MySQL Community Server (GPL)
Copyright (c) 2000, 2016, 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>
成功啦!
下面详细说说如何给用户授权。
mysql> grant 权限1,权限2, ... 权限n on 数据库名称.表名称 to 用户名@用户地址 identified by '连接口令';
权限1,权限2,... 权限n 代表 select、insert、update、delete、create、drop、index、alter、grant、references、reload、shutdown、process、file 等14个权限。
当权限1,权限2,... 权限n 被 all privileges 或者 all 代替时,表示赋予用户全部权限。
当 数据库名称.表名称 被 *.* 代替时,表示赋予用户操作服务器上所有数据库所有表的权限。
用户地址可以是localhost,也可以是IP地址、机器名和域名。也可以用 '%' 表示从任何地址连接。
'连接口令' 不能为空,否则创建失败。
举几个例子:
mysql> grant select,insert,update,delete,create,drop on vtdc.employee to joe@10.163.225.87 identified by ‘123′;
给来自10.163.225.87的用户joe分配可对数据库vtdc的employee表进行select,insert,update,delete,create,drop等操作的权限,并设定口令为123。
mysql> grant all privileges on vtdc.* to joe@10.163.225.87 identified by ‘123′;
给来自10.163.225.87的用户joe分配可对数据库vtdc所有表进行所有操作的权限,并设定口令为123。
mysql> grant all privileges on *.* to joe@10.163.225.87 identified by ‘123′;
给来自10.163.225.87的用户joe分配可对所有数据库的所有表进行所有操作的权限,并设定口令为123。
mysql> grant all privileges on *.* to joe@localhost identified by ‘123′;
给本机用户joe分配可对所有数据库的所有表进行所有操作的权限,并设定口令为123。
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