this post was submitted on 13 Sep 2023
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Linux

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From Wikipedia, the free encyclopedia

Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Recently, I've been using linux(tried multiple distros). I'm curious about how linux works, it's architecture! Is there a book, guide, video, etc to learn about linux? By using linux, I get to know something. It would be better If I know how linux works!

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[–] [email protected] 15 points 1 year ago (5 children)

IMO running through a Gentoo installation is a great way to learn.

The handbook is well documented and walks you through all of the steps that an installer would traditionally do.

You can do it in a VM or bare metal if you're feeling adventurous!

[–] [email protected] 4 points 1 year ago

Yeah, Gentoo is a good way to get your hands dirty. Reading the guide and trying to dig in deeper as to what you're doing will give you a decent understanding of Linux.

[–] [email protected] 3 points 1 year ago

And for more in depth explanation of compilation, patches etc. consider LFS, or at least reading the 'book' on https://linuxfromscratch.org/

[–] [email protected] 2 points 1 year ago (2 children)

Gentoo install keeps coming up - what does it do ? What does it offer ?

[–] [email protected] 6 points 1 year ago* (last edited 1 year ago)

Gentoo itself is "just" a very solid distro with lots of flexibility due to being source-based (most distros just deliver the resulting binaries), so if you're the kind of person that would customize the things Gentoo exposes, Gentoo makes it easier than it would be on Debian or Arch. If not, it's an added complexity for not much benefit.

The Gentoo installation guide famously doesn't shy away from explaining what needs to be done, it isn't just a series of step-by-step instructions. For this reason it's a great way to start learning this stuff. Even if it won't explain everything completely, it will surely point at the right direction.

[–] [email protected] 5 points 1 year ago* (last edited 1 year ago) (2 children)

The standout feature of Gentoo is its configurability; you can configure portage, the package manager, to enable and disable features of a package at build time.

Say you don't have Bluetooth. You can just exclude Bluetooth from every package by setting the use flag globally:

*/* -bluetooth

it can even manage dependencies, a good example is picking pipewire over pulse.

It's also easy to package software that isn't in the official repos - here's a post where I did just that.

The community is fantastic and supportive, and you can often get a near immediate response in IRC.

Finally the documentation is excellent, especually the handbook.

[–] [email protected] 3 points 1 year ago
[–] [email protected] 2 points 1 year ago

me, a Linux Mint user, reading that comment

[–] [email protected] 2 points 1 year ago

Even manually installing Arch is a good way to understand the parts of a Linux system, stuff like users, package management, etc. Without heating your house all summer compiling the kernel.

[–] [email protected] 2 points 1 year ago

I found that, at the cost of a few months of absolute suffering, using Gentoo as my first distro fasttracked my Linux learning.