Chapter 16 - Unix II

What is a tainted kernel?

• A kernel driver that is not available as open source

• A driver that was developed for a different OS but ported to Linux

• A driver that has failed

• An unsupported driver

Which of the following are kernel thread names after running the "ps aux" command?

• [kthreadd]

• {kthreadd}

• "kthreadd"

• 'kthreadd'

Which of the following commands will display the device message log?

• dmesg

• journalctl -k

• journalctl --dmesg

• cat /proc/devices

The Linux kernel provides driver support through ________ that are loaded

Which command will list all events that are processed while activating new hardware devices?

• udevadm

• systemctl

• systemd

• none of these

Which of the following are tools used to manage the Linux kernel?

• lsmod

• lskern

• modinfo

• modprobe

• kerninfo

Which command will show all PCI hardware devices that have been detected by the system?

• lspci

• lsmod -t pci

• modinfo -t pci

• modprobe -r pci

In a Red Hat based distribution, the best method to upgrade the kernel is to use the command __________.

• dnf install kernel

• apt install kernel

• apt upgrade kernel

• dnf upgrade kernel

Which command is the preferred method to enable/load a kernel module?

• modprobe

• insmod

• rmmod

• modins

Which command will provide detailed information about a kernel module?

• modinfo

• lsmod

• modprobe

• insmod