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Linux
2
How Linux Works
3
Basic commands
Devices
Disks and filesystems
ULSAH
23
Booting
2
Boot Process
Overview of the Linux boot process from BIOS to systemd
Grub
Overview of grub
Access Control
2
sudo
How sudo works and sudoers configuration
Privilege escalation
Privilege escalation via setuid bits and system accounts
Process Control
3
Process Control
Process lifecycle, forking, zombies and re-parenting
Cron
Scheduling tasks with cron and crontab
Systemd
5
Overview
overview of systemd
Unit Files
Systemctl
Targets
Systemd timers
Scheduling services with systemd timers
File system
3
File attributes
File permission bits, type flags and special modes
File types
Overview of character and block device files
Conventions
Naming and layout conventions that explain why the filesystem looks the way it does
Software Management
2
Overview
Package management across Linux distributions
Distributions
Scripting & Shell
3
Introduction
Philosophy and approach to shell scripting
Shells
What a shell is, how to approach them
Operators
Redirection, pipes and control operators
User Management
2
User Management
User accounts, UIDs and /etc/passwd
Adding Users
Adding users manually and with useradd/adduser
Logging
4
Logging
Journald
Syslog
Logrotate
Cloud
2
Cloud
Cloud Networking
Drivers and the Kernel
3
The Kernel
Linux Kernel Configuration
Drivers and Device Files
Networking
5
TCP/IP
Network Configuration
Firewalls and NAT
Sockets
Troubleshooting
DNS
1
DNS
SSO
1
SSO
Email
1
Email
Web Hosting
3
Web hosting
HTTP Versions
Web Software
Storage
6
Adding a disk
Storage
Partitioning
Raid
Logical Volume Management
Filesystems
NFS & SMB
2
NFS
SMB
Configuration Management
1
Configuration Management
Virtualization
1
Virtualization
Containers
3
Containers
Docker
Container Security
Security
3
Security
SSH
Cryptography and PKI
Monitoring
1
Monitoring
Performance
1
Performance
Kubernetes
1
Overview
Overview of Kubernetes and container orchestration
Assembly
2
x86-64 AT&T
5
Cheatsheet
Resources
Concepts
Examples
Anatomy
The Stack
Go
8
Constructor Optionals
Errors
1
Error or Bool?
Happy Path
Interfaces
2
Reader/Writer
Stringer
Packages
Strings
Tests
1
examples
Types
1
Floats
Cyber
1
STIX/TAXII
Gtk
1
python gtk
1
starting
Python
7
Effective Python
8
2 Dictionaries
3 Functions
4 Comprehensions and Generators
5 Classes and Inhertiance
6 Metaclasses and Attributes
8 Robustness and Performance
9 Testing and Debugging
10 Collaboration
Flask
7
Flask Web Development
Jinja for Flask
5 Databases
6 Email
7 Large App Sturcture
8 User Auth
Files
Fluent Python
2
1 Data Model
2 Sequences
General
2
Dynamic vs static
Interfaces
Hypermodern Python Tooling
9
Summary
1 Installing Python
2 Environments
3 Packages
4 Dependencies
5 Poetry
6 Pytest
Sys.path
Cheatsheets
Python Distilled
1
Basics
Standard Library
2
Methods
Socket
Rust
2
Rust GTK
Rust in Action
5
1 - Intro
2 Language foundations
3 Compound data types
Ownership
5 Data
Software Development
2
12 Factor Apps
Uncatergorized Tips
Go
›
Errors
Errors
Last edited
June 22, 2026
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Errors
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