Linux in-depth resources

Jul 30, 2025

Here are a list of resources to dig the Linux subject.

Most of these resources are taken from Learning Modern Linux.

1. The Linux/Unix Story

• The Birth of UNIX

2. The Linux Kernel

2.1. Kernel

• Linux Kernel Teaching
• Anatomy of the Linux Kernel
• Operating Systems Kernels
• KernelNeybies
• kernelstats
• The Linux Kernel Map

2.2. Memory management

• Understanding the Linux Virtual Memory Manager
• The Slab Allocator in the Linux Kernel
• Linux Kernel Documentation

2.3. Device Drivers

• How to install a device driver on Linux
• Character device drivers
• Linux Device Drivers: Tutorial for Linux Driver Development

2.4. Syscalls

• Linux Interrupts: The Basic Concepts
• System Calls
• Linux syscalls table
• Syscalls.h source code
• eBPF cards documentation

3. The Linux Shell

3.1. TTL terminals

• Anatomy of a Terminal Emulator
• The TTY Demystified
• The Terminal, the Console and the Shell -- What are they?
• What is a TTY on Linux
• Your Terminal is not a Terminal: An Introduction to Streams

3.2. Shells

• Unix Shells: bash, Fish, ksh, tcsh, zsh
• Comparison of Command Shells
• bash vs zsh
• Ghost in the Shell

3.3. Multiplexers -- tmux

• A tmux Crash Course
• A Quick and Easy Guide to tmux
• How to Use tmux on Linux
• tmux 2: Productive Mouse-Free Development
• Tips and tricks for tmux

4. Access control

• A Survey of Access Control Policies
• Linux Capabilities in Practice
• Linux Capabilites: Making Them Work
• A seccomp Overview
• Sandboxing in Linux with zero Lines of Code
• POSIX Access control Lists on Linux
• An Introduction to Linux Access Control Lists (RedHat)

5. Filesystems

• UNIX filesystems basics
• Overview of the Linux Virtual File System
• Introduction to Linux Virtual File Systems
• How to use LVM GUI
• File systems hierarchy on Linux
• Filesystem efficiency: ext4, xfs, btrfs and zfs compared
• Kernel Korner Unionfs: Bringing Filesystems Together
• Starting with btrfs on Linux

6. Processes and packaging

• Analyzing the Linux boot process
• Linux boot process steps
• Linux Package Management guides

7. Networking

7.1. TCP/IP stack

• Understanding Linux Network Internal

7.2. DNS

• Install and configure a Linux DNS Server
• Anatomy of a DNS search on Linux
• TLD - Putting the .fun in the top of the DNS

7.3. Application layer

• SSH tunnels explained
• All about curl
• Getting started with socat, a multipurpose relay tool for Linux
• Geomappy network traffic

8. Observability

• Linux Performance Analysis in 60,000 Milliseconds

8.1. Logging

• Linux Logging Complete Guide
• UNIX/Linux System Logging
• fluentd

8.2. System Monitoring

• Monitoring statsd
• Linux tracing systems
• Profilerpedia: A map of the Software Profiling Ecosystem
• Monitoring Linux host metrics with the Node Explorer

9. Others

• RancherOS: a simpler Linux alternative for Docker enthusiasts
• Kerberos: authentication procotol
• Functional Linux with NixOS
• How X-Window Managers works