How To Reset Password Ubuntu

If you have a single boot (only u buntu), to get the boot menu to show, you have to hold down Shift key during bootup.

Recovery Mode

From boot menu, select recovery mode, which is usually the second boot option.

Boot Root

Once you're at the root shell prompt, if you have forgotten your username as well

ls /home

To reset password

passwd username

Where username is the username you want to reset. In this case, I want to reset Adi password

passwd andi

Now the password should be reset

exit

After you get back to the recovery menu, select resume normal boot

Normal Boot