Forgot Admin Password on Linux Mint 17.3? Here's How to Change It

Forgetting your admin password on Linux Mint 17.3 can be frustrating, but fortunately, there are steps you can take to reset it and regain access to your system. Here's a detailed guide on how to change the admin password:

1. Reboot your Linux Mint 17.3 system.
2. When the Grub bootloader appears, select 'Advanced options for Linux Mint' and then select the recovery mode option.
3. In the recovery menu, select 'root - Drop to root shell prompt'.
4. Once in the root shell, remount the filesystem as read/write by entering the command: mount -o rw,remount /
5. Next, reset the password for the admin user by typing: passwd username (replace 'username' with the actual username).
6. Enter and confirm the new password when prompted.
7. After changing the password successfully, reboot your system by entering: reboot
8. You can now log in to your Linux Mint 17.3 system using the new admin password.

Remember to keep your passwords written down securely or use a reputable password manager to avoid similar issues in the future.