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

I need to allow users to change or set their linux shadow password using a web form.<BR><BR>I have a means to authenticate them using a web authentication service that is run by another dept. This has ...

User passwords on Linux systems can be configured to be permanent or can be set to expire so that individuals must reset them periodically. Periodic password changing is generally considered good ...