devops Archives - Page 17 of 47

pg_cron: Schedule PostgreSQL Tasks Inside the Database Without OS Cron

June 28, 2026

pg_cron is a PostgreSQL extension that schedules SQL jobs — VACUUM, data archiving, threshold notifications — directly inside the database as a background worker. No external cron, no credential sprawl, no silent failures. This guide covers installation, three real-world use cases, and the practices that keep pg_cron solid in production.

Linux

Mount Remote Storage as Local Drives: A Guide to FUSE and SSHFS on Linux

June 28, 2026

Learn how to use FUSE and SSHFS to mount remote directories and cloud storage as local drives on Linux. This guide covers installation, performance tuning, and how to manage mounts without root access.

Database

Self-Hosting Apache Superset with Docker: Stop Exporting CSVs and Start Visualizing

June 25, 2026

Ditch expensive BI tools and manual SQL exports. This guide shows you how to deploy Apache Superset on Docker, connect your databases, and optimize performance for a professional dashboard experience.

DevOps

Beyond ‘Works on My Machine’: Testing Ansible Playbooks with Molecule and Docker

June 25, 2026

Move beyond manual testing. Discover how to use Molecule and Docker to automate Ansible playbook verification, ensuring your infrastructure is reliable and idempotent.

LLM Merging with Mergekit: Build Custom Models Without the GPU Tax

June 24, 2026

Ditch the expensive GPU rentals. Learn how to use Mergekit on Linux to fuse LLMs using SLERP, TIES, and Passthrough techniques for custom AI performance.

Programming

Beyond the Basics: Hardening Microservices with Resilience4j and Spring Boot

June 24, 2026

Don't let one failing microservice take down your entire system. Learn how to implement Resilience4j Circuit Breakers, Retries, and Rate Limiters with production-ready configurations.

DevOps

Kubernetes Cost Monitoring with OpenCost: A Practical FinOps Guide for Cloud-Native Teams

June 23, 2026

OpenCost is a free, open-source CNCF tool that shows you exactly what each namespace and workload costs in your Kubernetes cluster — no vendor lock-in, no data leaving your infrastructure. This guide covers Helm installation, Prometheus integration, Grafana dashboards, and hands-on tips from real production use that help you find and cut cost waste fast.

DevOps

Istio Ambient Mesh on Kubernetes: Sidecar-Free Service Mesh for Resource Optimization

June 23, 2026

Istio Ambient Mesh eliminates per-pod sidecars by using a shared ztunnel DaemonSet for L4 mTLS and optional waypoint proxies for L7 features. This guide walks through a complete ambient mesh deployment on Kubernetes, including traffic policies, incremental migration from sidecar mode, and practical tips for cutting proxy resource overhead by up to 70%.

Ditch the API Fees: High-Quality AI Voice Cloning with Kokoro-TTS

June 20, 2026

Ditch expensive cloud APIs. Learn how to build a private, high-quality Text-to-Speech system using Kokoro-TTS and Python. Perfect for developers needing low-latency, cost-effective AI voices.

DevOps

Using mise (mise-en-place) in DevOps: Consistent Tool Version Management for kubectl, Terraform, Node, and Python

June 18, 2026

Tool version mismatches between local machines and CI/CD pipelines are a constant source of frustration in DevOps teams. mise (mise-en-place) solves this with a single .mise.toml config file that manages kubectl, Terraform, Node.js, Python, and 400+ other tools consistently across every environment. This guide walks through setup, GitHub Actions integration, and production tips.