Which THREE statements about crontab are true? A. Every user may have their own crontab. B. Changing a crontab requires a reload/restart of the cron deamon. C. The cron daemon reloads crontab files automatically when necessary. D. hourly is the…
What does the following command accomplish: $ export PATH=$PATH:$APPLICATIONS A. Changes path to the applications directory. B. Updates the path with the value of $APPLICATIONS. C. All NFS users can mount the applications directly. D. Updates path with the applications…
Which statements are true regarding the following syslog.conf configuration directive? *.err;kern.notice;auth.notice /dev/console (Select THREE correct answers) A. Severity crit messages from all facilities will be directed to /dev/console B. Severity notice messages from the auth facility will be directed to…
To increase system security, it is often desirable to run daemons for system services with nonroot user ids. Which one of the following services can be run as a non-root user? A. inetd B. named C. rlogind D. crond E.…
What are the first two bytes of a MD5 hash called? A. salt B. magic C. magic bytes D. encrypted bytes
You need to prohibit users to use Ctrl+Alt+Del to reboot the system. Complete the following line in /etc/inittab ca:12345:________:/bin/echo "Reboot not allowed"
In order to bypass print filters using lpr, which of following switches should be used: A. lpr -o nofilter B. lpr -l C. lpr -o raw D. lpr -r
With the find command, which argument to the -name flag will match files or directories beginning with a ‘.’ (period) ?
Which option, when passed to the gpg command, will enter an interactive menu enabling the user to perform key management related tasks? (Provide only the option)
In the config file for xinetd, you can specify the interface to offer service by the attribute: