You don't need to reinstall your whole operating system just because you forgot your Linux login. It's actually pretty easy ...

3. Enter the email associated with your Morningstar account, and select Reset Password. After doing so, you will receive a password reset email at the address associated with your Morningstar account.

Unlock, Reset, and Secure Your iPad: Solutions for Forgotten Passwords and Passcodes You can reset your Apple ID password using Apple's website if you forget it. If ...