Module 0155: The Root account

Tak Auyeung, Ph.D.

March 9, 2009
1 About this module
2 Who is “root”?
3 Logging in as root?
4 To “su” or to “sudo”?
 4.1 The “su” command
 4.2 The “sudo” command
 4.3 Which one is better?
5 Setting up and disabling “sudo”
6 Enabling and disabling “su”
7 What about SSH log in?
8 Protecting files that should be accessed only by root
9 The “/root” folder
10 “sudo” for remote access