Configure Kickstart to Automate RHEL 7/CentOS 7 Installation (by FTP) | Nehra Classes

 

Reset Forgotten Root Password in RHEL 9

Entering into a chroot environment in order to reset the root password for RHEL 9 beta can now be done under the rescue boot parameters.

In addition, the current documentation for RHEL 9 beta -Chapter 23.3 - Procedure #4 :  The procedure states that "The switch_root prompt appears". This is also no longer applicable.

After entering rescue mode and pressing the Enter key for maintenance, the sh-5.1# prompt now appears immediately. After this step, all following steps on current documentation can now be done successfully.

New Steps:

1. Reboot the system and, on the GRUB 2 boot screen, use the down arrow key on your keyboard to select rescue mode. Press the   e   key to interrupt the boot process.

   Red Hat Enterprise Linux (0-rescure-XXXXXXXXXXXXXXXXXXXXXXXXXX) 9.0

2. Go to the end of the line that starts with linux.

3. Add rd.break to the end of the line that starts with linux.

4. Press Ctrl+x  to start the system with the changed parameters.

5. Press the Enter  key to enter maintenance mode.

   The sh-5.1# prompt appears.

6. Remount the file system as writable:

  # mount -o remount,rw /sysroot

7. Enter the chroot environment:

  # chroot /sysroot

8. Reset the root password:

   # passwd

9. Enable the SELinux relabeling process on the next system boot:

   # touch /.autorelabel

10. Exit the chroot environment:

  # exit

11. Exit maintenance mode:

  # exit

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