101.2 – Boot the system

Weight

3

Description

Candidates should be able to guide the system through the booting process.

Key Knowledge Areas

• Provide common commands to the boot loader and options to the kernel at boot time.

• Demonstrate knowledge of the boot sequence from BIOS/UEFI to boot completion.

• Understanding of SysVinit and systemd.

• Awareness of Upstart.

• Check boot events in the log files.

Files, Terms, and Utilities

• dmesg

• journalctl

• BIOS

• UEFI

• bootloader

• kernel

• initramfs

• init

• SysVinit

• systemd