Guides

In-depth guides for DevOps professionals

Introduction to Packer
Infrastructure as Code

Introduction to Packer

Learn how to build automated machine images with HashiCorp Packer, from basic concepts to multi-platform image creation

6 parts|31 min read
Introduction to AWS
AWS

Introduction to AWS

Learn AWS fundamentals step by step, from basic concepts to building your first cloud application.

10 parts|86 min read
Introduction to Python
Python

Introduction to Python

A practical guide to Python programming from basics to building real projects

10 parts|99 min read
Introduction to Docker
Docker

Introduction to Docker

Learn how to use Docker to build, ship, and run applications efficiently through containerization

10 parts|69 min read
Introduction to Kubernetes
Kubernetes

Introduction to Kubernetes

Learn how to orchestrate containerized applications at scale with Kubernetes

10 parts|104 min read
Introduction to Linux
Linux

Introduction to Linux

A practical guide to getting started with Linux for beginners and experienced users alike. Learn the basics of the Linux operating system, command line, and system administration skills needed to feel comfortable in a Linux environment.

10 parts|119 min read
Introduction to Terraform
Terraform

Introduction to Terraform

Learn how to manage infrastructure as code with Terraform, from basic concepts to production-ready configurations

10 parts|95 min read
Introduction to CI/CD with GitHub Actions
DevOps

Introduction to CI/CD with GitHub Actions

Learn to automate your development workflow with GitHub Actions, from basic builds to sophisticated deployment pipelines.

10 parts|112 min read
Introduction to PostgreSQL
Databases

Introduction to PostgreSQL

Learn how to work with PostgreSQL from database fundamentals to production deployment

10 parts|87 min read
Code Review for Security
Security

Code Review for Security

Learn to identify security vulnerabilities during code reviews. Master security-focused review techniques, common vulnerability patterns, and effective feedback strategies.

4 parts|24 min read
Cryptography Essentials
Security

Cryptography Essentials

Master the cryptographic fundamentals every DevOps engineer needs: symmetric and asymmetric encryption, hashing algorithms, TLS/SSL certificates, and Public Key Infrastructure (PKI).

4 parts|34 min read
CI/CD Pipeline Hardening
Security

CI/CD Pipeline Hardening

Learn to secure your CI/CD pipelines against supply chain attacks. Master runner isolation, artifact signing, configuration security, and pipeline-as-code best practices.

4 parts|20 min read
Pre-commit Hooks for Security
Security

Pre-commit Hooks for Security

Implement security checks before code is committed using git hooks. Learn gitleaks, detect-secrets, and the pre-commit framework to catch vulnerabilities early.

4 parts|22 min read
Static Application Security Testing (SAST)
Security

Static Application Security Testing (SAST)

Master Static Application Security Testing (SAST) with SonarQube, Semgrep, and CodeQL. Learn to detect vulnerabilities in source code before they reach production.

4 parts|31 min read
Secure Coding Practices
Security

Secure Coding Practices

Learn essential secure coding practices for DevOps: input validation, output encoding, error handling, secure defaults, and defense in depth for web applications and APIs.

4 parts|27 min read
Threat Modeling
Security

Threat Modeling

Master threat modeling methodologies including STRIDE, DREAD, and attack trees. Learn to identify, analyze, and prioritize security threats in your systems with practical exercises.

4 parts|42 min read
OWASP Top 10
Security

OWASP Top 10

Learn about the OWASP Top 10 web application security risks. Understand each vulnerability, see real-world examples, and learn how to prevent them in your applications.

10 parts|64 min read
Security Principles
Security

Security Principles

Master the fundamental security principles every DevSecOps engineer needs to know. Learn CIA Triad, Defense in Depth, Least Privilege, and Zero Trust concepts with practical examples.

4 parts|40 min read
A Practical Guide to FinOps for DevOps Engineers
FinOps

A Practical Guide to FinOps for DevOps Engineers

Learn how to implement FinOps practices in your DevOps workflows to optimize cloud costs while maintaining performance and reliability.

7 parts|70 min read
Networking Fundamentals for Developers
Networking

Networking Fundamentals for Developers

A comprehensive guide to computer networking concepts, from basic protocols to advanced cloud networking and automation.

10 parts|108 min read
Introduction to Ansible
DevOps

Introduction to Ansible

Learn how to automate server configuration and deployment tasks with Ansible, from basic concepts to production-ready practices.

10 parts|86 min read
Introduction to Bash
Bash

Introduction to Bash

A guide to learning the basics of Bash scripting and command line usage.

10 parts|83 min read
Introduction to Git
Git

Introduction to Git

A guide to understanding and learning Git version control

10 parts|66 min read