devops Archives - Page 13 of 28

Apache Cassandra Deployment Guide: NoSQL for High Availability and Write-Heavy Workloads

May 1, 2026

Apache Cassandra is the go-to database when you need to handle massive write throughput without a single point of failure. This guide walks through deploying a 3-node cluster, designing tables around your query patterns, and tuning Cassandra for real production workloads.

DevOps

Using vcluster to Create Virtual Kubernetes Clusters: Save Resources and Isolate Dev Environments

May 1, 2026

vcluster lets you run fully isolated virtual Kubernetes clusters inside a single host cluster — each with its own API server and full admin access. This guide covers how it compares to namespace isolation and separate clusters, then walks through setting one up from scratch.

Database

Redis Sentinel vs. Redis Cluster: Surviving Production Failures

May 1, 2026

Is your Redis setup ready for a crash? Learn the practical differences between Redis Sentinel for high availability and Redis Cluster for horizontal scaling, including real-world configuration steps.

DevOps

Stop Building Servers Manually: A Guide to Golden Images with HashiCorp Packer

May 1, 2026

Ditch manual server snapshots. Learn how to build automated, production-ready Golden Images for AWS and Proxmox using HashiCorp Packer and HCL2.

Linux

Linux Environment Variables: From Local Shells to Production Servers

May 1, 2026

Master Linux environment variables with this practical guide. Learn the differences between .bashrc and /etc/environment, how to handle .env files, and best practices for securing production secrets.

Linux

Mastering Sed and Awk: High-Performance Linux Text Processing

April 30, 2026

Ditch the heavy editors. Master Sed and Awk to process massive log files and automate reports directly from the Linux command line without risking a server crash.

DevOps

Scaling Kubernetes Monitoring: My 6-Month Journey with the Prometheus Operator

April 30, 2026

A practical look at deploying the Prometheus Operator on Kubernetes. Discover how we moved from manual ConfigMaps to automated, label-based monitoring for 40+ microservices.

DevOps

Local Kubernetes: Why You Should Swap Minikube for kind or k3d

April 29, 2026

Ditch expensive cloud testing. Learn how to use kind and k3d to spin up local Kubernetes clusters in seconds, compare their performance, and automate your testing with GitHub Actions.

Programming

Stop Breaking Your APIs: A Practical Guide to Consumer-Driven Contract Testing with Pact

April 29, 2026

Eliminate 'Integration Hell' and prevent API breaking changes. This guide shows you how to master Consumer-Driven Contract Testing using Pact and Node.js.