To prevent a specific user from scheduling tasks with at, what should the administrator do?
A. Add the specific user to /etc/at.allow file.
B. Add the specific user to [deny] section in the /etc/atd.conf file.
C. Add the specific user to /etc/at.deny file.
D. Add the specific user to nojobs group.
E. Run the following: atd --deny [user].
A French user has installed the French language pack, but currencies are still being displayed with a leading '$' sign in his spreadsheets. What must be done to fix this?
A. Alter the locale.
B. Set the timezone correctly.
C. Edit /etc/currency.
D. Reinstall the French language pack.
Which command will set the local machine's timezone to UTC?
A. cat UTC > /etc/timezone
B. ln -s /usr/share/zoneinfo/UTC /etc/localtime
C. date --timezone=UTC
D. mv /usr/timezone/UTC /etc
Which of the following commands should be added to /etc/bash_profile in order to change the language of messages for an internationalized program to Portuguese (pt)?
A. export LANGUAGE="pt"
B. export MESSAGE="pt"
C. export UI_MESSAGES="pt"
D. export LC_MESSAGES="pt"
E. export ALL_MESSAGES="pt"
Which of the following keywords can be used in the file /etc/resolv.conf? (Choose TWO correct answers.)
A. substitute
B. nameserver
C. search
D. lookup
E. method
What command will display the group names and GIDs to which a user belongs? (Provide only the command name with or without path information)
A. /usr/bin/id
B. PlaceHolder
C. PlaceHolder
D. PlaceHolder
To exclude all log messages of a given logging facility, you should use a logging priority of _____ .
A. none
B. PlaceHolder
C. PlaceHolder
D. PlaceHolder
Which command is used to sync the hardware clock to the system clock? (Specify ONLY the command without any path or parameters.)
A. hwclock
B. /sbin/hwclock
C. /usr/sbin/hwclock
D. PlaceHolder
The presence of what file will temporarily prevent all users except root from logging into the system? (Specify the full name of the file, including path.)
A. /etc/nologin
B. PlaceHolder
C. PlaceHolder
D. PlaceHolder
Which file lists which users can execute commands using sudo? (Specify the full name of the file, including path.)
A. /etc/sudoers
B. PlaceHolder
C. PlaceHolder
D. PlaceHolder