ERROR 1045 (28000): Access denied for user
mysqladmin本地登陸報錯 ERROR 1045 (28000): Access denied for user 'root'@'localhost' 的解決方案如下:
mysqladmin -u root password xxxx
#1.停止mysql資料庫
/etc/init.d/mysql stop
#2.執行如下命令
mysqld_safe --user=mysql --skip-grant-tables --skip-networking &
#3.使用root登入mysql資料庫
mysql -u root mysql
#4.更新root密碼
mysql> UPDATE user SET Password=PASSWORD('mysql') where USER='root';
mysql>grant all on *.* to root@'%' identified by "mysql";
#5.重新整理許可權
mysql> FLUSH PRIVILEGES;
#6.退出mysql
mysql> quit
#7.重啟mysql
/etc/init.d/mysql restart
#8.使用root使用者重新登入mysql
mysql -uroot -p
Enter password: <輸入新設的密碼newpassword>
操作日誌如下:
[root@mysqldb1 ~]# /etc/init.d/mysql stop
Shutting down MySQL..[ OK ]
[root@mysqldb1 ~]#
[root@mysqldb1 ~]# mysqld_safe --user=mysql --skip-grant-tables --skip-networking &
[1] 7384
[root@mysqldb1 ~]# 160606 15:23:44 mysqld_safe Logging to '/var/lib/mysql/mysqldb1.err'.
160606 15:23:44 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
[root@mysqldb1 ~]# mysql -u root mysql
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.6.31 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> UPDATE user SET Password=PASSWORD('xxxxx') where USER='root';
Query OK, 4 rows affected (0.00 sec)
Rows matched: 4 Changed: 4 Warnings: 0
mysql> grant all on *.* to root@'%' identified by "xxxxxx";
Query OK, 0 rows affected (0.00 sec)
mysql> FLUSH PRIVILEGES;
Query OK, 0 rows affected (0.00 sec)
mysql> quit
Bye
[root@mysqldb1 ~]# /etc/init.d/mysql restart
Shutting down MySQL..160606 15:25:46 mysqld_safe mysqld from pid file /var/lib/mysql/mysqldb1.pid ended
[ OK ]
Starting MySQL.[ OK ]
[1]+ Done mysqld_safe --user=mysql --skip-grant-tables --skip-networking
[root@mysqldb1 ~]# mysql -uroot -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.6.31
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>
mysql>
mysqladmin -u root password xxxx
#1.停止mysql資料庫
/etc/init.d/mysql stop
#2.執行如下命令
mysqld_safe --user=mysql --skip-grant-tables --skip-networking &
#3.使用root登入mysql資料庫
mysql -u root mysql
#4.更新root密碼
mysql> UPDATE user SET Password=PASSWORD('mysql') where USER='root';
mysql>grant all on *.* to root@'%' identified by "mysql";
#5.重新整理許可權
mysql> FLUSH PRIVILEGES;
#6.退出mysql
mysql> quit
#7.重啟mysql
/etc/init.d/mysql restart
#8.使用root使用者重新登入mysql
mysql -uroot -p
Enter password: <輸入新設的密碼newpassword>
操作日誌如下:
[root@mysqldb1 ~]# /etc/init.d/mysql stop
Shutting down MySQL..[ OK ]
[root@mysqldb1 ~]#
[root@mysqldb1 ~]# mysqld_safe --user=mysql --skip-grant-tables --skip-networking &
[1] 7384
[root@mysqldb1 ~]# 160606 15:23:44 mysqld_safe Logging to '/var/lib/mysql/mysqldb1.err'.
160606 15:23:44 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
[root@mysqldb1 ~]# mysql -u root mysql
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.6.31 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> UPDATE user SET Password=PASSWORD('xxxxx') where USER='root';
Query OK, 4 rows affected (0.00 sec)
Rows matched: 4 Changed: 4 Warnings: 0
mysql> grant all on *.* to root@'%' identified by "xxxxxx";
Query OK, 0 rows affected (0.00 sec)
mysql> FLUSH PRIVILEGES;
Query OK, 0 rows affected (0.00 sec)
mysql> quit
Bye
[root@mysqldb1 ~]# /etc/init.d/mysql restart
Shutting down MySQL..160606 15:25:46 mysqld_safe mysqld from pid file /var/lib/mysql/mysqldb1.pid ended
[ OK ]
Starting MySQL.[ OK ]
[1]+ Done mysqld_safe --user=mysql --skip-grant-tables --skip-networking
[root@mysqldb1 ~]# mysql -uroot -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.6.31
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>
mysql>
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