Project 10-6

In this hands-on project, you modify user accounts on Fedora Linux using command-line

utilities.

1. On your Fedora Linux virtual machine, switch to a command-line terminal (tty2) by

pressing Ctrl+Alt+F2 and log in to the terminal using the user name of root and the

password of LNXrocks!.

2. At the command prompt, type cat /etc/passwd and press Enter. Record the line

used to describe the user bozo.

3. At the command prompt, type cat /etc/shadow and press Enter. Record the line

used to describe the user bozo.

4. At the command prompt, type usermod l bozo2 bozo and press Enter to change the

login name for the user bozo to bozo2. Next, type cat /etc/passwd at the command

prompt and press Enter. Was the login name changed from bozo to bozo2? Was the

UID changed? Was the home directory changed?

5. At the command prompt, type usermod l bozo bozo2 and press Enter to change the

login name for the user bozo2 back to bozo.

6. At the command prompt, type usermod u 666 bozo and press Enter to change the

UID of the user bozo to 666. Next, type cat /etc/passwd at the command prompt

and press Enter. Was the UID changed?

7. At the command prompt, type usermod f 14 bozo and press Enter to disable bozos

user account 14 days after the password expires. Next, type cat /etc/shadow at the

command prompt and press Enter. Which field was changed?

8. At the command prompt, type usermod e 01/01/2025 bozo and press Enter to

expire bozos user account on January 1, 2025. Next, type cat /etc/shadow at the

command prompt and press Enter. Which field was changed? What does the number

represent in this field?

9. At the command prompt, type chage m 2 bozo and press Enter to require that

the user bozo wait at least two days before making password changes. Next, type

cat /etc/shadow at the command prompt and press Enter. Which field was changed?

10. At the command prompt, type chage M 40 bozo and press Enter to require that

the user bozo change passwords every 40 days. Next, type cat /etc/shadow at the

command prompt and press Enter. Which field was changed?

11. At the command prompt, type chage W 5 bozo and press Enter to warn the user bozo

five days before a password change is required. Next, type cat /etc/shadow at the

command prompt and press Enter. Which field was changed?

12. Type exit and press Enter to log out of your shell.