How to reset password Ubuntu from command prompt?

Question

I want to update my system through this command:

sudo apt-get update
[sudo] password for jsr:

But when I enter it, my system asks for password, but I don't remember it.

How can I reset it?

no my computer is system is alreaddy login how can i change my password with command prompt — Jaskaran singh Rajal, Mar 07 '16 at 17:08
You will need to enter your password for changing it. otherwise, anyone come and without knowing your password, change it. — Mostafa Ahangarha, Mar 07 '16 at 17:36

score 1 · Answer 1 · answered Mar 07 '16 at 17:04

1

You can not reset a password without remembering your last password. You can however change your password if you do remember it by executing:

passwd

answered Mar 07 '16 at 17:04

user2092743

1 Answers1