How to Reset a Forgotten Root Password in Ubuntu?

Forgetting your root password in Ubuntu can be a frustrating experience, but don't worry, there are steps you can take to reset it and regain access to your system. Here's what you can do:

1. Boot into Recovery Mode: Restart your Ubuntu system and hold down the Shift key to access the GRUB boot menu. Select the 'Advanced options for Ubuntu' and then choose the recovery mode option.
2. Access Root Shell: In the recovery menu, select the 'root - Drop to root shell prompt' option. This will give you a command-line interface with root privileges.
3. Remount File System: Next, remount the file system in read/write mode by running the command: mount -o remount,rw /
4. Change Root Password: Now, you can reset the root password by typing: passwd root and following the on-screen instructions to set a new password.
5. Reboot Your System: Once you've successfully changed the root password, reboot your system by entering: reboot
6. Log in with New Password: After rebooting, you can log in to your Ubuntu system using the new root password you just set.

It's important to keep your passwords secure and to have a plan in place for situations like forgetting your root password. By following these steps, you can quickly regain access to your Ubuntu system and continue using it without any issues.