It’s really easy to reset Ubuntu password! Just log in root mode. And in Ubuntu this can be done by logging in when system reboot. So we logged in CLI mode. Here’s the way, how to reset forgotten Ubuntu password. Check it out!
Login as root
There is two possible ways to login as root :
- Common method
You can login with root mode just by pressing ESC button when system starting up. That’ll take you to Grub Screen, when you can select mode that you’ll be used while booting. If you have double OS or more on your system (dual boot), you don’t need to do this step. It’s automatically go to Grub Screen when system starting up.
Then choose the “recovery mode”, usually found right below your default option. Press enter, and at the next screen, choose “drop to root sheel prompt” and you’ll login to the system as root 
On some system, maybe you can’t find “recovery mode” on Grub Screen menu. So? You need to do a “little hack” to the Grub Loader. Looks cool right? In fact its very easy
On Grub Screen menu, select default loader (first choice) and press “E” key that means you’ll edit manually that loader. Wow
On the next screen, find row that contains this word :
ro quiet splash
Then replace that with this :
rw init=/bin/bash
After that, press “CTRL”+”X” (or maybe “B” key on your system, depend to your kernel
) to boot the system with “hacked” loader
Done! You’re logged in as root on your system now, and you can do anything you want. Including resetting your password!
Resetting your password
Use this command to reset your password :
passwd [username]
Fill username with username that you want to reset its password. You’ll prompt new password twice.
In this step, you’re almost done! Now, make sure the change you’ve made will be written to disk by :
sync
Reboot your system :
reboot -f
You’re done! Your password has been reset, and you can login to your system now
I’ve been using this method on my Ubuntu Lucid system and its work. I hope this post is useful for you all. If you have problem when implementing this article, leave a comment and I’ll be glad to help you.
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