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WORDPRESS TRICKS (PASSWORD,THEME,URL)


1. CHANGE THE PASSWORD (USUALLY REQUIRED WHEN NEED TO CHANGE ADMIN PASS)


mysql> update wp_users set user_pass=MD5('newpass') where ID= 1;
Query OK, 1 row affected (0.00 sec)
Rows matched: 1  Changed: 1  Warnings: 0

Here newpass in the bracket is the password you need to set. See the detailed explanation with snippet below

Catch your wordpress database from configuration file, (wp-config.php). Verify it

Here wordpress is the database name from configuration. I have verified it is available in the server issuing below command

root@cpanel [~]# mysqlshow | grep wordpress
| wordpress 


Switch to the database from Mysql prompt
root@cpanel [~]# mysql
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 47061
Server version: 5.1.73-cll MySQL Community Server (GPLv2)

Copyright (c) 2000, 2013, 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> use wordpress;
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

--------------------
Lets watch the tables inside the wordpress database
mysql> show tables;
+-----------------------+
| Tables_in_wordpress   |
+-----------------------+
| wp_commentmeta        |
| wp_comments           |
| wp_links              |
| wp_options            |
| wp_postmeta           |
| wp_posts              |
| wp_term_relationships |
| wp_term_taxonomy      |
| wp_terms              |
| wp_usermeta           |
| wp_users              |
+-----------------------+
11 rows in set (0.00 sec)

Now we can describe the wp_user and see the content

mysql> describe wp_users;
+---------------------+---------------------+------+-----+---------------------+----------------+
| Field               | Type                | Null | Key | Default             | Extra          |
+---------------------+---------------------+------+-----+---------------------+----------------+
| ID                  | bigint(20) unsigned | NO   | PRI | NULL                | auto_increment |
| user_login          | varchar(60)         | NO   | MUL |                     |                |
| user_pass           | varchar(64)         | NO   |     |                     |                |
| user_nicename       | varchar(50)         | NO   | MUL |                     |                |
| user_email          | varchar(100)        | NO   |     |                     |                |
| user_url            | varchar(100)        | NO   |     |                     |                |
| user_registered     | datetime            | NO   |     | 0000-00-00 00:00:00 |                |
| user_activation_key | varchar(60)         | NO   |     |                     |                |
| user_status         | int(11)             | NO   |     | 0                   |                |
| display_name        | varchar(250)        | NO   |     |                     |                |
+---------------------+---------------------+------+-----+---------------------+----------------+
10 rows in set (0.00 sec)


We need to change the password from user_pass, lets see the content inside the table wp_user by grepping


mysql> SELECT ID, user_login, user_pass FROM wp_users;
+----+------------+----------------------------------+
| ID | user_login | user_pass                        |
+----+------------+----------------------------------+
|  1 | wordpress  | e6053eb8d35e02ae40beeeacef203c1a |
+----+------------+----------------------------------+
1 row in set (0.00 sec)


Above we can see the users and the password set in Hash Md5, now we can change the same using the top mentioned command,


mysql> update wp_users set user_pass=MD5('newpass') where ID= 1;
Query OK, 1 row affected (0.00 sec)
Rows matched: 1  Changed: 1  Warnings: 0


========================================================================

2. SWITCHING TO DEFAULT THEME WHEN THERE IS THEME ISSUES

mysql> UPDATE wp_options SET option_value = 'default' WHERE option_name = 'template';
Query OK, 1 row affected (0.00 sec)
Rows matched: 1  Changed: 1  Warnings: 0

mysql> UPDATE wp_options SET option_value = 'default' WHERE option_name = 'stylesheet';
Query OK, 1 row affected (0.00 sec)
Rows matched: 1  Changed: 1  Warnings: 0


mysql> UPDATE wp_options SET option_value = 'default' WHERE option_name = 'current_theme';
Query OK, 0 rows affected (0.00 sec)
Rows matched: 0  Changed: 0  Warnings: 0


========================================================================

3. CHANGE THE WORDPRESS SITE AND HOME URL( especially required during domain name change)


mysql> describe wp_options;
+--------------+---------------------+------+-----+---------+----------------+
| Field        | Type                | Null | Key | Default | Extra          |
+--------------+---------------------+------+-----+---------+----------------+
| option_id    | bigint(20) unsigned | NO   | PRI | NULL    | auto_increment |
| option_name  | varchar(64)         | NO   | UNI |         |                |
| option_value | longtext            | NO   |     | NULL    |                |
| autoload     | varchar(20)         | NO   |     | yes     |                |
+--------------+---------------------+------+-----+---------+----------------+
4 rows in set (0.00 sec)

mysql> select * from wp_options where option_name ='siteurl' or option_name= 'home';
+-----------+-------------+----------------------------+----------+
| option_id | option_name | option_value               | autoload |
+-----------+-------------+----------------------------+----------+
|        33 | home        | http://avidlinuxreader.com | yes      |
|         1 | siteurl     | http://avidlinuxreader.com | yes      |
+-----------+-------------+----------------------------+----------+
2 rows in set (0.00 sec)


We need to change this domain name and URL to new , issue the below commands


mysql>  UPDATE wp_options SET option_value = replace(option_value, 'http://avidlinuxreader.com', 'http://linuxavid.blogspot.in') WHERE option_name = 'home' OR option_name = 'siteurl';


Now we can see the new site and home URL

mysql>  select * from wp_options where option_name ='siteurl' or option_name= 'home';                                                                                   +-----------+-------------+------------------------------+----------+
| option_id | option_name | option_value                 | autoload |
+-----------+-------------+------------------------------+----------+
|        33 | home        | http://linuxavid.blogspot.in | yes      |
|         1 | siteurl     | http://linuxavid.blogspot.in | yes      |
+-----------+-------------+------------------------------+----------+
2 rows in set (0.00 sec)



mysql> UPDATE wp_posts SET guid = replace(guid, 'http://avidlinuxreader.com', 'http://linuxavid.blogspot.in');
Query OK, 4 rows affected (0.00 sec)
Rows matched: 4  Changed: 4  Warnings: 0

mysql> UPDATE wp_posts SET post_content = replace(post_content, 'http://avidlinuxreader.com', 'http://linuxavid.blogspot.in');
Query OK, 1 row affected (0.00 sec)
Rows matched: 4  Changed: 1  Warnings: 0

mysql> UPDATE wp_postmeta SET meta_value = replace(meta_value, 'http://avidlinuxreader.com', 'http://linuxavid.blogspot.in');
Query OK, 0 rows affected (0.00 sec)
Rows matched: 1  Changed: 0  Warnings: 0


To be continued


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