Lab: Rootly Powers

Step 5: Follow Up

• To do this step:
  • You should have performed the first four steps in this lab.
• Instructions:
  • In this section please create a word document containing the answers to the following portions.
  • Include the item number and sub-number with your answers.
  • Include full answers/descriptions. Do not be a minimalist.
  • When ask, or when it supports your answer, include a screen shot. Make sure you explain how your screen shot demonstrates/supports your answer.
• Answer:
  1. List the three "special" things root can do on a *nix system.
  2. List two tools that allow a user to determine "who" they are on a *nix system.
  3. List three tools that allow you to look at a file on a *nix system. Describe what each does.
  4. List two tools that allow you to look at the processes running on a *nix system.
• Investigate sudo
  1. Can Alice use the sudo command? What happens when she attempts to do so? Show a screen shot as part of your answer.
  2. John is Bob's "friend" and attempts to convince him to add his account(john) to the sudoers group. He asks Bob to add john to the sudo line in /etc/group.
     1. Can John edit the /etc/group file himself? Why or why not? Provide a screen shot to support your answer.
     2. Can John use sudo? Provide a screen shot in to support your answer in your document.
     3. As root, edit /etc/group using one of the following (vi, nano, joe)
     4. Change the line sudo:x:27:bob
        • Simply add ,john
        • The line should be sudo:x:27:bob,john
     5. Can John use sudo now? Provide a screen shot to support your answer in your document.
     6. Discuss the implications of a person with sudo privileges changing system configurations without a knowledge of what they are doing.
  3. Alice has discovered Bob's password.
     1. Discuss the implications.
     2. Why is it especially important that a person with sudo privileges maintains a secure password.

Required Files

Submission