Cloudera Manager 5.15.1忘记密码怎么破？

 　　　　　　　　Cloudera Manager 5.15.1忘记密码怎么破？

　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　作者：尹正杰

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一.登陆CM修改默认密码

1>.使用默认密码登陆CM界面

2>.登陆数据库，查看CM默认的密码

[root@node101.yinzhengjie.org.cn ~]# mysql -uroot -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or g.
Your MySQL connection id is 13
Server version: 5.7.25-log MySQL Community Server (GPL)

Copyright (c) 2000, 2019, 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> use cdh
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Database changed
mysql> 
mysql> SELECT * FROM USERS where USER_NAME='admin'G
*************************** 1. row ***************************
                USER_ID: 1
              USER_NAME: admin
          PASSWORD_HASH: 28050371a6c695ae410da08db8c26607ae2473fefa874016eab0cb72ca730fe4　　　　　　　　#我们需要记住该字符串，因为我们在下面还得用到它哟~
          PASSWORD_SALT: -4247944151022041411　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 #它我们也需要记住一下！
         PASSWORD_LOGIN: 1
OPTIMISTIC_LOCK_VERSION: 1
1 row in set (0.00 sec)

mysql> 

3>.点击修改密码

4>.自定义CM的登陆密码

5>.使用之前默认的密码登陆，发现无法正常登陆啦

二.观察修改后数据库存储的字符串变化

1>.使用修改后的密码进行登陆

2>.观察此时数据库存储的用户名密码变化

[root@node101.yinzhengjie.org.cn ~]# mysql -uroot -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or g.
Your MySQL connection id is 13
Server version: 5.7.25-log MySQL Community Server (GPL)

Copyright (c) 2000, 2019, 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> use cdh
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Database changed
mysql> 
mysql> SELECT * FROM USERS where USER_NAME='admin'G
*************************** 1. row ***************************
                USER_ID: 1
              USER_NAME: admin
          PASSWORD_HASH: 28050371a6c695ae410da08db8c26607ae2473fefa874016eab0cb72ca730fe4
          PASSWORD_SALT: -4247944151022041411
         PASSWORD_LOGIN: 1
OPTIMISTIC_LOCK_VERSION: 1
1 row in set (0.00 sec)

mysql> 
mysql> 
mysql> 
mysql> SELECT * FROM USERS where USER_NAME='admin'G
*************************** 1. row ***************************
                USER_ID: 1
              USER_NAME: admin
          PASSWORD_HASH: 250041eb472c23cf8c676c241439d8a7b99c2a3ea9df3cc37fb3eefd5ab43029　　　　　　　　#发现没有？它发生变化啦！
          PASSWORD_SALT: -6043720566682334983　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 #该值也发生变化啦~
         PASSWORD_LOGIN: 1
OPTIMISTIC_LOCK_VERSION: 2
1 row in set (0.00 sec)

mysql> 

三.还原CM默认密码

1>.还原CM默认登陆密码

[root@node101.yinzhengjie.org.cn ~]# mysql -uroot -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or g.
Your MySQL connection id is 13
Server version: 5.7.25-log MySQL Community Server (GPL)

Copyright (c) 2000, 2019, 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> use cdh
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Database changed
mysql> 
mysql> SELECT * FROM USERS where USER_NAME='admin'G
*************************** 1. row ***************************
                USER_ID: 1
              USER_NAME: admin
          PASSWORD_HASH: 250041eb472c23cf8c676c241439d8a7b99c2a3ea9df3cc37fb3eefd5ab43029
          PASSWORD_SALT: -6043720566682334983
         PASSWORD_LOGIN: 1
OPTIMISTIC_LOCK_VERSION: 2
1 row in set (0.00 sec)

mysql> 
mysql> update USERS set PASSWORD_HASH='28050371a6c695ae410da08db8c26607ae2473fefa874016eab0cb72ca730fe4',PASSWORD_SALT='-4247944151022041411' WHERE USER_NAME='admin';
Query OK, 1 row affected (0.00 sec)
Rows matched: 1  Changed: 1  Warnings: 0

mysql> 
mysql> SELECT * FROM USERS where USER_NAME='admin'G
*************************** 1. row ***************************
                USER_ID: 1
              USER_NAME: admin
          PASSWORD_HASH: 28050371a6c695ae410da08db8c26607ae2473fefa874016eab0cb72ca730fe4
          PASSWORD_SALT: -4247944151022041411
         PASSWORD_LOGIN: 1
OPTIMISTIC_LOCK_VERSION: 2
1 row in set (0.00 sec)

mysql> 

2>.使用默认密码进行登陆

3>.登陆成功