mysqladmin本地登陆报错 ERROR 1045 (28000): Access denied for user 'root'@'localhost' 的解决方案如下：
MysqLadmin -u root password xxxx
#1.停止MysqL数据库
/etc/init.d/MysqL stop
#2.执行如下命令
MysqLd_safe --user=MysqL --skip-grant-tables --skip-networking &
#3.使用root登录MysqL数据库
MysqL -u root MysqL
#4.更新root密码
MysqL> UPDATE user SET Password=PASSWORD('MysqL') where USER='root';
MysqL>grant all on *.* to root@'%' identified by "MysqL";
#5.刷新权限
MysqL> FLUSH PRIVILEGES;
#6.退出MysqL
MysqL> quit
#7.重启MysqL
/etc/init.d/MysqL restart
#8.使用root用户重新登录MysqL
MysqL -uroot -p
Enter password: <输入新设的密码newpassword>
操作日志如下：
[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>
