Configure a Linux system to start, or not start, at boot time, a variety of services.
- [Voiceover] So, more about booting.…Let's talk about the first process,…that process that's number one…and it's starting up services.…So, key part of Linux is the filesystem.…Every Linux has a filesystem.…In fact, it might have more than one.…It's common to have a filesystem as a RAM image…that Linux starts with.…Now, we call the file system…that includes the directory slash the root filesystem.…If you have multiple disks, for example,…then maybe home is on a different disk,…and that would be not part of the root filesystem,…but the Linux Kernel needs the root filesystem.…
And this initial version of it…that's in RAM can be in a couple different formats.…For a long time, this was an initial RAM disk image…which was a file formatted with a filesystem.…More recently, Linux uses a RAM filesystem type,…which is really its own type of file system…that's in RAM…It's not a formatted file.…It's something that can grow and shrink.…And inside that image is the process…that kernel will run first.…That's usually the program called init.…
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
Learning Linux for PHP Developers (2014)with Jon Peck3h 52m Beginner
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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