linux

Linux Hardware Resources – CompTIA Linux+ LX0-101, LPIC-1: 101.1

When installing or troubleshooting a Linux device, it’s useful to know how the operating system is configured to work with the physical hardware. In this video, you’ll learn about the /proc file system and how to examine interrupt request channels (IRQs), I/O addresses, and DMA channels of the hardware in your Linux workstation.

Working with Linux Runlevels – CompTIA Linux+ LX0-101: 101.3

When Linux boots, it uses runlevels to determine which services and processes to run during the startup process. In this video, you’ll learn how runlevels are defined, how you can customize runlevels, and how to easily change between runlevels without restarting Linux.