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Featured Posts
Our most popular articles and tutorials
A Day in the Life of a DevOps Engineer
Follow a DevOps engineer through a typical day - from morning deployments to midnight hotfixes. Real challenges, real solutions, and real impact on business operations.
How Docker Differs from a Virtual Machine (And Why It Matters)
Containers and virtual machines both isolate environments, but they work in very different ways. This guide explains the key differences and when to use each.
Should .terraform.lock.hcl Be in .gitignore? (The Answer Might Surprise You)
The .terraform.lock.hcl file causes confusion for many Terraform users. Learn why you should commit it to version control and how to handle it properly.
Hands-On DevOps Exercises
Practice real-world DevOps scenarios with step-by-step guidance. Build skills through interactive exercises designed by industry experts.
Build a comprehensive Ansible playbook to automate web server deployment, configuration, and security hardening across multiple environments.
You'll learn:
- Create reusable Ansible playbooks
- Implement cross-platform compatibility
- +3 more objectives
Implement comprehensive observability for microservices using OpenTelemetry for distributed tracing, metrics, and logging across multiple services.
You'll learn:
- Understand OpenTelemetry concepts and architecture
- Implement distributed tracing across microservices
- +4 more objectives
Implement GitOps workflows using ArgoCD for automated, declarative, and auditable Kubernetes application deployments.
You'll learn:
- Understand GitOps principles and benefits
- Install and configure ArgoCD
- +4 more objectives
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Interactive Exercises
60 min
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Latest Posts
Stay up to date with the latest DevOps content
A Day in the Life of a DevOps Engineer
Follow a DevOps engineer through a typical day - from morning deployments to midnight hotfixes. Real challenges, real solutions, and real impact on business operations.
How to Set Image Name in Dockerfile
Learn how to set and manage image names effectively in Dockerfiles for streamlined workflows.
COPY with Docker but with Exclusion
Learn how to use the COPY instruction in Docker with exclusion patterns to optimize your Docker builds.
How to Use the AWS account_id Variable in Terraform
Learn how to dynamically retrieve and use the AWS account_id variable in Terraform for your configurations.
Command to Delete All Pods in All Kubernetes Namespaces
Learn how to delete all Pods across all namespaces in Kubernetes using a single command. Understand the implications and best practices for this operation.
Terraform Conditionals: Handling Non-Existent Variables
Learn how to use Terraform conditionals to handle cases where a variable does not exist or is not defined.
Latest Guides
Step-by-step tutorials to boost your DevOps skills
Introduction to AWS
Learn AWS fundamentals step by step, from basic concepts to building your first cloud application.
Introduction to Python
A practical guide to Python programming from basics to building real projects
Introduction to Docker
Learn how to use Docker to build, ship, and run applications efficiently through containerization
Introduction to Kubernetes
Learn how to orchestrate containerized applications at scale with Kubernetes
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.
Introduction to CI/CD with GitHub Actions
Learn to automate your development workflow with GitHub Actions, from basic builds to sophisticated deployment pipelines.