How To Reset root Password on CentOS VM – XenServer

Basic steps are as follows.

  1. Shutdown VM
  2. From XenCenter, insert the CentOS iso into the VM’s Virtual DVD drive.
  3. Boot the CentOS VM in recovery mode.  If you need help with that check this post out.
  4. On the grub menu, select recover OS Installation.
  5. Run through the recovery and mount the VM’s disk where CentOS is installed
  6. You should now be able to drop to a prompt and chroot /sysimage
  7. Change the root password with passwd
  8. Shutdown the VM
  9. Eject the CentOS iso
  10. Boot up the VM and login with the new password

OpenVas set password for user

After installing OpenVAS you may need to setup a user. Running the following command will create the user admin and will print the password for the user below.

openvasmd --create-user admin

Example output.

User created with password 'b4539967-c521-fe41-d255-aeb53e735h9a'.

If needed you can delete a user with the following command

openvasmd --delete-user=USERNAME

cnMaestro template for setting Username and Passwords for PMP gear

The following template can be used to set the user name and passwords for cambium pmp gear. Create a new template in cnMaestro, past in the following, change the passwordEncrypted to the hash of your password and run the config.

You can get the hashed password by pulling it out of a current radio config.

{
"userParameters": {
  "authenticationConfig": {
    "accounts": [ 
      { 
        "userName": "admin", 
        "level": 3, 
        "readOnly": false, 
        "passwordEncrypted": "188a934e0246ae248da19400fed83107a" 
      }, 
      { 
        "userName": "root", 
        "level": 3, 
        "readOnly": false, 
        "passwordEncrypted": "188a934e0246ae248da19400fed83107a" 
      } 
    ]
  }
 }
}

Reset WordPress admin password in MySQL

Log into MySQL from command line

mysql -u root -p

Select the correct database

USE wordpress_db;

Print current users

SELECT * FROM wp_users;

Should get something similar to the following

mysql> SELECT * FROM wp_users
-> ;
+----+------------+------------------------------------+---------------+---------------------------+----------+---------------------+------------------------------------+-------------+--------------+
| ID | user_login | user_pass | user_nicename | user_email | user_url | user_registered | user_activation_key | user_status | display_name |
+----+------------+------------------------------------+---------------+---------------------------+----------+---------------------+------------------------------------+-------------+--------------+
| 1 | admin | 5f4dcc3b5aa765d61d8327deb882cf99 | admin | bob@incredigeek.com | | 2018-08-09 10:10:42 | | 0 | admin |
| 2 | bob | 210805fb52a13251f4bedc7e725e575a | bob | bob@incredigeek.com | | 2019-11-01 11:31:23 | | 0 | bob smith |
+----+------------+------------------------------------+---------------+---------------------------+----------+---------------------+------------------------------------+-------------+--------------+
3 rows in set (0.00 sec)
mysql>

To update the password use

UPDATE wp_users SET user_pass = MD5('NewPass') WHERE ID=1;

The MD5 hashes the NewPass and adds it to the database. You can print the users again to verify the hash changed.

You should now be able to login using the new password you configure.