Mastering Ubuntu Server - Fourth Edition

2

Managing Users and Permissions

In the previous chapter, we set up our very own Ubuntu Server installation, and we can now learn how to maintain it, starting with a look at managing who is able to use our server.

As administrators of Ubuntu servers, users can be your greatest asset and also your biggest headache. During your career, you’ll add countless new users, manage their passwords, remove their accounts when they leave the company, and grant or remove access to resources across the network. Even on servers on which you’re the only user, you’ll still find yourself managing user accounts, since even system processes run as users. To be successful at managing Linux servers, you’ll also need to know how to manage permissions, create password ...