Ansible vs Terraform: Which One Should You Use? (2026)
Ansible and Terraform are both called 'IaC tools' but they solve completely different problems. Here's when to use each — and when to use both.
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Apr 3, 20263 min readRead
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#linux
9 articles
Build a Kubernetes Cluster with kubeadm from Scratch (2026)
Step-by-step guide to building a real multi-node Kubernetes cluster using kubeadm — no managed services, no shortcuts.
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Apr 3, 20263 min readRead
kubectl exec: Permission Denied — How to Fix It (2026)
Getting 'permission denied' when running kubectl exec? Here are all the real reasons it happens and exactly how to fix each one.
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Mar 31, 20264 min readRead
Nix for DevOps — Reproducible Development Environments Complete Guide (2026)
Complete guide to using Nix and Nix flakes for reproducible DevOps environments. Covers installation, dev shells, CI/CD integration, Docker image building with Nix, and team adoption strategies.
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Mar 28, 20266 min readRead
Podman Complete Guide — The Docker Alternative Every DevOps Engineer Should Know in 2026
Complete guide to Podman: daemonless containers, rootless security, Docker compatibility, pods, systemd integration, and why teams are switching from Docker in 2026.
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Mar 24, 20266 min readRead
How to Set Up GitLab CI/CD from Scratch (2026 Complete Tutorial)
A practical step-by-step guide to setting up GitLab CI/CD pipelines from zero — covering runners, pipeline stages, Docker builds, deployment to Kubernetes, and best practices.
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Mar 15, 20267 min readRead
GitLab CI Pipeline Keeps Failing? Here's How to Debug and Fix It
GitLab CI pipelines fail for dozens of reasons. This guide walks through the most common errors — from Docker-in-Docker issues to missing variables — and shows you exactly how to fix them.
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Mar 14, 20265 min readRead
How to Set Up Ansible from Scratch (Complete Beginner Guide 2026)
Learn Ansible from zero — install it, configure SSH, write your first playbook, use variables and loops, and automate real server tasks step by step.
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Mar 13, 20268 min readRead
Linux Commands Every DevOps Engineer Must Know (2026)
The complete Linux command reference for DevOps engineers in 2026. Master file management, process control, networking, system monitoring, SSH, permissions, and shell scripting with real-world examples.
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Mar 6, 202610 min readRead