Module 10 Flashcards
What command do you use to display all the groups a user belongs to? (Select three)
- grep /etc/group
- grep /etc/passwd
- id
- getent group | grep
- grep /etc/group
- id
- getent group | grep
Find the match for the fields in /etc/passwd.
getent user1 passwd
user1:x:1000:1000:Adam Smith:/home/user1:/bin/bash
Field 1
Field 2
Field 6
Field 7
Field 1 userid
Field 2 password
Field 6 home directory
Field 7 shell
Although not described in the textbook, syslog has numeric severity levels defined in RFC 3164.
Match the level to the priority.
0
1
2
3
4
5
0 emergency
1 alert
2 critical
3 error
4 warning
5 notice
What command do you use to delete a user account along with his/her home directory?
- userdel -h
- userdel -m
- userdel -r
- userdel -G
- userdel -r
Which statements describe logrotate? (Select two)
- Run by atd
- Run monthly
- Renames log files with a numeric or date extension before creating a new one.
- Older log files beyond the specified logging cycle are removed
- Renames log files with a numeric or date extension before creating a new one.
- Older log files beyond the specified logging cycle are removed
Which one is NOT a step in setting up a user account on a Linux system?
- Create an account with the user’s home directory
- Set the initial password
- Associate the user to groups
- Mount a USB drive for the user
- Mount a USB drive for the user
Which commands could you use to (effectively) lock a user account? (Select three)
- passwd -l
- systemctl lock-user
- usermod -L
- usermod -s /sbin/nologin
- passwd -l
- usermod -L
- usermod -s /sbin/nologin
Find the match.
2019-12-10 (2).png
Disable (7) Accept (3) Printing (9) Reject (4) Spooling (8) Enable (6) Ip (2) cupsd (1) /var/spool/cups (5)
Disable (7) Accept (3) Printing (9) Reject (4) Spooling (8) Enable (6) Ip (2) cupsd (1) /var/spool/cups (5)
Why does everyone have ‘x’ in the password field of /etc/passwd file?
- It is a sign that /etc/passwd file has been corrupted
- ‘x’ indicates there is an error in the account settings
- ‘x’ means the actual password is saved in /etc/shadow
- ‘x’ signifies that the account is locked
- ‘x’ means the actual password is saved in /etc/shadow
Which describe journald? (Select two)
- Text log
- One log file for almost all system services
- Uses journalctl to view/extract log entries
- Older logging daemon
- One log file for almost all system services
- Uses journalctl to view/extract log entries
Which command can be used to send a print job to the default printer named Printer1? (Choose all that apply.)
- lp –d Printer1 file
- lp Printer1 file
- lp file
- lp –m Printer1 file
- lp –d Printer1 file
- lp file
Which command is used to delete a user account?
- usermod –d username
- del username
- userdel username
- rm username
- userdel username
What is the name of the utility used to rotate log files?
- syslog
- jetpack
- logrotate
- logbackup
- logrotate
Most log files on the system are found in which directory?
- /etc/logfiles
- /etc/log
- /var/log
- /dev/log
- /var/log
You use lpstat and determine that a user named User1 has placed two large print jobs in the queue for Printer1 that have yet to start printing. They have print job IDs of Printer1-17 and Printer1-21, respectively. Which command would you use to remove these two jobs from the print queue?
- cancel Printer1-17 Printer1-21
- cancel –u Printer1-17 Printer1-21
- cancel –a Printer1-17 Printer1-21
- cancel 17 21
- cancel Printer1-17 Printer1-21
When a printer is rejecting requests,____________.
- the print queue does not accept jobs and sends a message to the user noting that the printer is unavailable
- the print queue does accept jobs into the print queue and holds them there until the printer is accepting requests again
- the printer appears as offline when an lp request is sent
- the print queue redirects all print jobs sent to it to /dev/null
- the print queue does not accept jobs and sends a message to the user noting that the printer is unavailable
When a printer is disabled, ________.
- the print queue does not accept jobs and sends a message to the user noting that the printer is unavailable
- the print queue accepts jobs into the print queue and holds them there until the printer is enabled again
- the printer appears as offline when an lp request is sent
- the print queue redirects all print jobs sent to it to /dev/null
- the print queue accepts jobs into the print queue and holds them there until the printer is enabled again
UIDs and GIDs are unique to the system and, once used, can never be reused.
- True
- False
- False
You can lock a user account by changing the default login shell to an invalid shell in /etc/passwd.
- True
- False
- True
You can clear a log file simply by redirecting nothing into it. True or False?
- True
- False
- True