Lab Questions:

You will need root access to answer these questions, so use your virtual machines.

1- What are some of the issues with su that sudo attempts to solve?

2- Name one file owned by each of the following users: daemon, bin, sys Look at two or more virtual machines.

3- Can the users listed in the previous question login? How did you determine this?

4- What is the purpose of the three accounts listed in the previous two questions?

5- Who are the members of the wheel group in your CentOS virtual machine?

6- Find a file with the setuid bit set. Say what the file is and why it needs setuid.

7- Give a command to open a root shell if you are logged in as a normal user (assume the user is allowed to do this).