MySQL Modify user password

1) command-line mode

# mysqladmin-u root-p ' redhat12345 ' password ' zabbix12345 '-s/data/3306/mysql.sock change password redhat12345 to zabbix12345

2) SQL statement modification method

mysql> update mysql.user set password= ' 12345 '  where user= ' root '  and   host= ' localhost '; query ok, 1 row affected  (0.00 sec) rows matched: 1  changed:  1  Warnings: 0mysql> flush privileges; query ok, 0 rows affected  (0.00 sec) Mysql> select user,host, password from mysql.user;+------+------------+-------------------------------------------+|  user | host       | password                                    |+------+------------+---------------------- ---------------------+| root | localhost  | 12345                                       | |  root | C67-X64-A8 |                                             | |  root | 127.0.0.1  |                                             | |  root | ::1        |                                             | |       | localhost  |                                             | |       | C67-X64-A8 |                                             | |  wan  | %          | * 84bb5df4823da319bbf86c99624479a198e6eee9 | |  wan  | 10.10.10.% | *84bb5df4823da319bbf86c99624479a198e6eee9 | |  rep  | 10.10.10.% | *2698a63e7f5138951b60f853417adb4ce2a02d87 |+------+------------+----- --------------------------------------+9 rows in set  (0.00 sec) Description: We found the results shown above, Password is incredibly clear, it is clear that it is not possible to log into the database correctly: combine the password () function: Mysql> update mysql.user set password =password (redhat12345)  where user= ' root '  and  host= ' localhost '; error 1054  (42S22): unknown column  ' redhat12345 '  in  ' field list ' Error reason, Strings should be enclosed in quotation marks (either single or double quotes) Mysql> update mysql.user set password=password (' redhat12345 ')  where user= ' root '  and  host= ' localhost '; query ok, 1 row affected  (0.00 sec) rows matched: 1  changed:  1  Warnings: 0mysql> flush privileges; query ok, 0 rows affected  (0.00 sec) login to test:[[email protected]  Mysqlback]# mysql -uroot -predhat12345 -s /data/3306/mysql.sockwelcome to the mysql  Monitor.  commands end with ; or \g.your mysql connection id  is 27Server version: 5.5.32-log Source distributionCopyright  (c)  2000 ,  2013, oracle and/or its affiliates. all rights reserved. oracle is a registered trademark of oracle corporation and/or  Itsaffiliates. other names may be trademarks of their respectiveowners . type  ' help; '  or  ' \h '  for help. Type  ' \c '  to clear the current input  statement.mysql>

3) Use the SET command to resolve (not suitable for--skip-grant-tables mode change password)

Mysql> set Password=password ("redhat12345"); Query OK, 0 rows affected (0.01 sec) mysql> flush privileges; Query OK, 0 rows Affected (0.00 sec)

Attention:

A) When changing the password, you must specify the WHERE condition

b) Use the password () function to encrypt the change password

This article is from the "Frozen vs watermelon" blog, so be sure to keep this source http://molewan.blog.51cto.com/287340/1861052

MySQL Modify user password