What is the purpose of the command udevadm monitor?
A. It listens to kernel events produced by a udev rule and print information to the console.
B. It monitors the /dev directory for new devices.
C. It monitors the udev process and prints performance statistics to the console.
D. It communicates with D-Bus to setup new devices.
During booting, when the Linux kernel loads an initramfs file, which command from the initramfs will be executed first, if present?
A. /init
B. /initrd
C. /linuxrc
D. /rc.local
E. /sbin/init
Which file in /proc contains information on the status of local software RAID devices?
A. /proc/raidstat
B. /proc/mdstat
C. /proc/raidstatus
D. /proc/mdstatus
E. /proc/raid/status
A system has one hard disk and one CD writer which are both connected to SATA controllers. Which device represents the CD writer?
A. /dev/hdb
B. /dev/sdd
C. /dev/scd1
D. /dev/sr0
E. /dev/sr1
Where would fsck put any unreferenced file or file fragments on a ext4 filesystem?
A. recover
B. lost+found
C. back
D. lost
What should be done to ensure a client machine uses the recursive nameserver running on the IP address 192.168.0.1? (Choose TWO correct answers.)
A. Add nameserver 192.168.0.1 to /etc/resolv.conf.
B. Run route add nameserver 192.168.0.1.
C. Run ifconfig eth0 nameserver 192.168.0.1.
D. Ensure that the dns service is listed in the hosts entry in the /etc/nsswitch.conf file.
E. Run bind add nameserver 192.168.0.1.
A regular user, joe, has just run:
./configure andand make andand make install
to build and install a program. However, the installation fails. What could be done to install the program? (Choose TWO correct answers.)
A. Install the binaries manually with suinstall.
B. Run make install with root privileges.
C. Do not run ./configure in order to maintain the default configuration for correct installation.
D. Rerun ./configure with a --prefix option where the user has permissions to write.
E. Run make install_local to install into /usr/local/.
A Linux server running systemd booted to rescue.target for maintenance. Which commands are used to restore the server to its usual target? (Choose two.)
A. telinit 0
B. systemctl default
C. sync
D. systemctl emergency
E. systemctl reboot
Which command is used to unload a single module currently loaded by the kernel without unloading any modules that it depends upon? (Specify the command with or without path information)
After a lot of write operations, the administrator want to ensure that the kernel flushes the file system buffers to disk. Which command will accomplish this? (Specify ONLY the command without any path or parameters.)
