devops Archives - Page 22 of 47

Docker Multi-Arch: Solving the ‘Exec Format Error’ for ARM64 and AMD64

May 30, 2026

Tired of 'exec format error'? Learn how to build Docker images that run on both Intel and ARM using Buildx and QEMU. Perfect for AWS Graviton and Apple Silicon users.

Linux

Nix on Ubuntu and Debian: Multi-Version Software and Atomic Rollbacks

May 30, 2026

Ditch dependency conflicts on Ubuntu and Debian. Learn how to use the Nix Package Manager for side-by-side software versions, non-root installs, and instant rollbacks.

DevOps

Automating Terraform with Atlantis on Docker: A Practical GitOps Guide

May 30, 2026

Ditch manual infrastructure changes. Learn how to deploy Atlantis on Docker to bridge the gap between Terraform and GitOps, enabling automated plans and applies via GitHub Pull Requests.

Networking

GeoIP Blocking with nftables and MaxMind GeoLite2 on Linux: Filter Traffic by Country

May 29, 2026

GeoIP blocking with nftables and MaxMind GeoLite2 lets you drop traffic from entire country IP ranges at the firewall level, before it reaches your application. This guide covers the full setup: downloading the database, extracting country ranges, loading them into nftables sets, and automating bi-weekly updates with systemd and cron.

Security

Kubernetes Security Auditing: Hardening Clusters with kube-bench and kube-hunter

May 29, 2026

Is your Kubernetes cluster actually secure? Move beyond default settings by using kube-bench and kube-hunter to audit for CIS compliance and discover active vulnerabilities.

Linux

Stop Guessing: Automate Linux Performance with Tuned Profiles

May 28, 2026

Stop manual sysctl hacking. This guide shows you how to use Tuned to automate Linux performance for databases, web servers, and virtualization with real-world examples and custom profiles.

DevOps

Self-Hosting Woodpecker CI on Docker: A Lightweight and Secure GitHub Actions Alternative

May 28, 2026

Ditch heavy CI/CD tools and learn how to self-host Woodpecker CI on Docker. This guide covers everything from installation to setting up your first container-native pipeline.

Programming

Stop Guessing if Your UI is Broken: Visual Regression Testing with Storybook and Chromatic

May 28, 2026

CSS bugs are the silent killers of frontend velocity. Learn how to use Storybook and Chromatic to build a 'visual memory' for your UI, catching layout shifts automatically before they hit production.

DevOps

Stop Wasting Time: Automate Mobile Releases with Fastlane and GitHub Actions

May 27, 2026

Stop wasting hours on manual app submissions. This guide shows you how to build a robust CI/CD pipeline for iOS and Android using Fastlane and GitHub Actions.

Database

PostgreSQL WAL: Production Lessons on Performance and Recovery

May 27, 2026

PostgreSQL WAL is more than just a log; it's the key to performance and data safety. Explore production-tested configurations, PITR setups, and monitoring tips.