Chapter 10

Which command will list all of the printers on the system?

• lpstat -t

• lpstat -a
• lpq -p
• lpr -p

What command will enable a printer?

Which option will add a user to a secondary group using the usermod command?

• -G

• -a

• --group

• -g

Which log contains a history or all authentication request on a system by users and daemons?

• access.log
• auth.log
• error.log
• system.log

Which log (that is also a command) will detect hardware information obtained during system startup?

• ls
• grep
• cat
• dmesg

A ​ (a)   is the area of a system, and the ​ (b)   is the severity level.

• facility
• priority
• alert
• class
• warning

Match the following

• Messages from the login system

• kern

• messages from the syslog daemon

• mail

• Messages from the email system

• local0-7

• user defined messages.

• syslog

• messages from the Linux kernel

• auth

Match the following

• all information from a facility

• debug

• normal messages from a facility

• warn

• system errors such as hardware failures

• crit

• Very serious system conditions

• panic

• Messages that might be from an error

• info

Benjamin is troubleshooting an issue on his Linux server and needs to view the system logs for the past week to identify any errors. Which option with the journalctl command will allow him to view logs for a specific time period?

• --since

• _COMM

• --time

• --date

Which journalctl option allows you to view logs from a certain daemon?

• _COMM

• _DAEMON

• _SYSLOG

• _anacron