mysql安装在centos7报错ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)
2017-12-30 17:40
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mysql版本:5.7.13
首次在centos下安装mysql,客户端连接mysql时报错:
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[root@localhost opt]# /usr/bin/mysql -u root
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)
【解决】:
1、找到密码
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[root@localhost opt]# cat /var/log/mysqld.log | grep password
2016-07-16T05:01:47.771362Z 1 [Note] A temporary password is generated for root@localhost: q.)aq!YaH6y-
2016-07-16T05:02:32.000199Z 2 [Note] Access denied for user 'root'@'localhost' (using password: NO)
2016-07-16T05:02:39.063852Z 3 [Note] Access denied for user 'root'@'localhost' (using password: NO)
2、重新连接mysql:
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[root@zzs171 opt]# /usr/bin/mysql -u root -p
Enter password:
输入上面找到的密码,即可进入mysql客户端连接。
3、修改mysql的root的密码:
进入mysql客户端之后,show databases; 会提醒先修改密码:
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mysql> show databases;
ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.
设置密码,以下两种方式均可:
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SET PASSWORD FOR 'root'@'localhost' = PASSWORD('Mysqlpassw0rd.');
alter user 'root'@'localhost' identified by 'Mysqlpassw0rd.';
OK,至此设置成功。注意mysql有密码复杂度的限制。密码太简单会提示:
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mysql> SET PASSWORD FOR 'root'@'localhost' = PASSWORD('123');
ERROR 1819 (HY000): Your password does not satisfy the current policy requirements
【其他补充】
网上还有几种方案,但是都不行。例如:
[plain] view
plain copy
方案一:
mysqladmin -u root password 123456,结果提示错误:error: 'Access denied for user 'root'@'localhost' (using password: NO)'
方案二:
用mysqld_safe skip-grant-tables进入mysql,然后sql语句修改root密码,还是提示错误:-bash: mysqld_safe: command not found
首次在centos下安装mysql,客户端连接mysql时报错:
[plain] view
plain copy
[root@localhost opt]# /usr/bin/mysql -u root
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)
【解决】:
1、找到密码
[plain] view
plain copy
[root@localhost opt]# cat /var/log/mysqld.log | grep password
2016-07-16T05:01:47.771362Z 1 [Note] A temporary password is generated for root@localhost: q.)aq!YaH6y-
2016-07-16T05:02:32.000199Z 2 [Note] Access denied for user 'root'@'localhost' (using password: NO)
2016-07-16T05:02:39.063852Z 3 [Note] Access denied for user 'root'@'localhost' (using password: NO)
2、重新连接mysql:
[plain] view
plain copy
[root@zzs171 opt]# /usr/bin/mysql -u root -p
Enter password:
输入上面找到的密码,即可进入mysql客户端连接。
3、修改mysql的root的密码:
进入mysql客户端之后,show databases; 会提醒先修改密码:
[plain] view
plain copy
mysql> show databases;
ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.
设置密码,以下两种方式均可:
[plain] view
plain copy
SET PASSWORD FOR 'root'@'localhost' = PASSWORD('Mysqlpassw0rd.');
alter user 'root'@'localhost' identified by 'Mysqlpassw0rd.';
OK,至此设置成功。注意mysql有密码复杂度的限制。密码太简单会提示:
[plain] view
plain copy
mysql> SET PASSWORD FOR 'root'@'localhost' = PASSWORD('123');
ERROR 1819 (HY000): Your password does not satisfy the current policy requirements
【其他补充】
网上还有几种方案,但是都不行。例如:
[plain] view
plain copy
方案一:
mysqladmin -u root password 123456,结果提示错误:error: 'Access denied for user 'root'@'localhost' (using password: NO)'
方案二:
用mysqld_safe skip-grant-tables进入mysql,然后sql语句修改root密码,还是提示错误:-bash: mysqld_safe: command not found
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