Learn from the author as he walks you through the solution of how to solve the problem posed in the previous video using a Virtual Machine.
- [Voiceover] Let's look at how I make up a…Custom GRUB Entry.…So I'm in a VM here…because it's gonna be easier to work with GRUB.…And let's investigate.…So we gonna be root because,…we gonna look at GRUB files and so forth.…We go to etc/grub.d…and we do a list,…we see several files there.…And to do a Custom GRUB Entry…we gonna add it to the 40 file,…if we look at that,…it's mostly empty and it tells us to add stuff below.…
If we look at the existing full GRUB File,…should link to it, init…it's pretty long but if we scroll down…we can see a menu entry,…that what we gonna want.…What we really need,…are the last couple of lines…in the set braces there along with menu entry line.…So we could cut those out…and put them in the Centos 40…and the 40 custom.…So I did that,…we quit out of here,…let's call this green.…
And I made a little file,…with what I wanna put in the 40 custom.…It's got te menu entry with the name I want,…and then at the end of the Linux 16 line…I added one thing…and it's called _dbug.…So I got this stuff out of the GRUB 2C FG file.…
We survey the Linux kernel specification, boot process, and loadable kernel modules. You will practice techniques such as downloading and searching Linux kernel source code and configuring a Linux kernel from scratch. Challenge and solution videos at the end of almost every chapter allow you to test your new Linux skills along the way.
- What is the Linux kernel?
- Controlling hardware
- Reading Linux kernel messages
- Reading and writing files from the proc and sysfs filesystems
- Configuring GRUB
- Using kernel command-line parameters
- Configuring run levels
- Working with loadable kernel modules (LKMs)
- Searching the kernel source code
- Building and installing a Linux kernel
Skill Level Advanced
1. Surveying the Linux Kernel
3. Working with Loadable Kernel Modules
4. Examining Linux Kernel Source Code
5. Configuring and Building a Linux Kernel
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