Where to start when learning Linux for Embedded Systems?

Question

linux

I want to learn how to install and work with Linux OS on embedded systems, but I don’t know where to start, what to read, I know how to use Linux at the user level (I’m friends with the console), I have experience in MK programming, I played around with RPi but I want more.

Answer 1

with self-assembly of the kernel and bootloader. look at systems like https://buildroot.org/

Answer 2

with openwrt, as the most popular embedded distro with broad hardware support,
there is a decent package manager and a bunch of packages, a normal human buildroot
sharpening for network devices, don't be embarrassed

Answer 3

get to know bootloaders, especially u-boot
kernel architecture, writing drivers
, kernel configuration,
build a working Linux device yourself

Answer 4

https://habrahabr.ru/post/276633/