devops Archives - Page 2 of 47

High-Performance Linux VPN Setup with WireGuard: Point-to-Point, Split Tunneling, and Multi-Node Security

October 16, 2026

Eliminate VPN latency and gateway bottlenecks on Linux with WireGuard. Configure point-to-point tunnels, split tunneling, and firewall hardening with verified production benchmarks.

Database

Database Migration with Liquibase: Schema Versioning, Safe Rollbacks, and CI/CD Automation

October 16, 2026

Learn how to version and automate database migrations using Liquibase. This guide covers ChangeSet configuration, tracking mechanisms, safe rollbacks, and CI/CD pipelines.

Database

SQLite Performance Optimization: Production Guide to WAL Mode, PRAGMA Tuning, and Concurrency

October 16, 2026

Learn how to optimize SQLite for real-world production workloads by enabling WAL mode, fine-tuning memory PRAGMA settings, and eliminating concurrent database lock errors.

HomeLab

HomeLab Monitoring with Prometheus, Grafana, and Node Exporter on Docker: Metrics and Telegram Alerts

October 16, 2026

Build a self-hosted monitoring stack for your HomeLab using Prometheus, Grafana, and Node Exporter on Docker. Learn how to scrape host metrics and deliver automated Telegram alerts for hardware issues.

DevOps

Deploy Traefik v3 as Kubernetes Ingress Controller: Dynamic Routing, Security Middlewares, and Let’s Encrypt SSL

October 15, 2026

Deploy Traefik v3 on Kubernetes as an Ingress Controller with Helm. Learn how to implement declarative IngressRoute CRDs, configure security middlewares, and automate Let's Encrypt SSL certificates.

DevOps

Build a Private Mesh VPN with Headscale: Self-Host Tailscale for Linux and Kubernetes Infrastructure

October 14, 2026

Learn how to build a zero-trust private mesh VPN across multi-cloud servers and Kubernetes clusters by self-hosting Headscale as your Tailscale control plane.

Building a Real-Time Voice Agent with LiveKit Agents and Python: Ultra-Low Latency Conversational AI Guide

October 14, 2026

Learn how to build an ultra-low latency conversational AI voice assistant using LiveKit Agents and Python. Master WebRTC streaming, Silero VAD, and bidirectional speech pipelines.

DevOps

Automate Kubernetes SSL/TLS Certificates with cert-manager and Let’s Encrypt: ClusterIssuer and Ingress Renewal

October 11, 2026

Tired of expired SSL certificates causing sudden Kubernetes downtime? Here is a complete guide to automating TLS management using cert-manager, Let's Encrypt, and Ingress controllers with automatic 30-day renewals.

Security

Deploy External Secrets Operator on Kubernetes: Sync Vault and Cloud Secret Managers

October 10, 2026

Sync secrets safely into Kubernetes without committing credentials to Git. This hands-on guide walks through the trade-offs of modern secret management and shows how to set up External Secrets Operator (ESO) with HashiCorp Vault and cloud providers.

Linux

Mastering Linux Time Synchronization with Chrony: NTP, NTS Security, and Production Troubleshooting

October 10, 2026

Learn how to build a resilient Linux time synchronization architecture using Chrony. This guide walks through configuring NTP client and server roles, hardening time traffic with Network Time Security (NTS), and debugging production clock drift.