How To Reset Your Ubuntu Password If Forgotten

This tutorial would help you Reset your Ubuntu system's Password easily in a few minutes.This is pretty simple to do and requires no expertise whatsoever.Just follow the instructions below and you should be able to reset your ubuntu password.This can be used when you have forgotten your ubuntu password which gives you no access to the machine.So here's how you do it

Step 1 : When your PC boots, You should see the Grub Menu . Hit the ESC key(escape) as soon as you see the Grub Menu as it would show for only 5-10 seconds
Step 2 : Once that is done Select the Recovery Mode option and then choose "Drop to root shell prompt" from this menu.
Step 3 : Now You would have the root shell prompt.
Step 4 : Enter the following command to reset your Password passwd username where username would be the username of the ubuntu machine of which the password you have forgotten.For example : - passwd prash where prash is my username
Step 5 : Then type sync and hit ENTER and then restart your pc
Step 6 : Now you should be able to access your ubuntu account without any problem using the new password you created in step 4

Reference : howtogeek