Which of the following commands by default provides the PIDs of the processes sorted by which are using the most CPU cycles on the Linux system? A. top B. uptime C. ps aux D. vmstat E. freemem
Fill in the blank. What command ensures that the file systems are written to disk after a lot of write operations? (Specify ONLY the command without any path or parameters.) Your Response: type here A. sync
Fill in the blank. What command will remove a physical volume from a volume group? (Specify ONLY the command without any path or parameters.) Your Response: type here A. vgreduce
Which of the following configuration files are used by tcpwrapper? A. /etc/tcpd.allow and etc/tcpd.deny B. /etc/tcpwrapper.allow and /etc/tcpwrapper.deny C. /etc/hosts.allow and /etc/hosts.deny D. /etc/service.allow and /etc/service.deny
Which commands below are useful to collect data about remote filesystem connections? (Choose two.) A. pidstat B. nfsiostat C. sadf D. cifsiostat E. fsiostat
After manually compiling and installing a new kernel, what has to be done regarding the initramfs? A. To initramfs is independent of the kernel and should not be modified unless the hardware configuration of the machine has changed B. Since…
What is the purpose of a system mount unit? A. It is used by the command systemd -mount and allows users to mount partitions to mount points of their choice B. It is used only to mount network file systems…
What information is found in the following excerpt from the file /proc/mdstat? (Choose two.) A. One of the disks in /dev/mdO has failed and a spare disk is used to recreate full redundancy B. The spare disk /dev/sdal is used…
A regular user has just run ./configure && make && make install to build and install a program. However, the installation fails. What could be done to install the program? (Choose two.) A. Install the binaries manually with suinstall B.…
If the file containing the Linux kernel is deleted, what happens when the system boots? A. The system starts normally since the bootloader copies the kernel to the master boot record of the hard disk B. Instead of the kernel,…