Posted inAI
LLM Merging with Mergekit: Build Custom Models Without the GPU Tax
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.
Posted inProgramming
Beyond the Basics: Hardening Microservices with Resilience4j and Spring Boot
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.
Posted inDevOps
Kubernetes Cost Monitoring with OpenCost: A Practical FinOps Guide for Cloud-Native Teams
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.
Posted inDevOps
Istio Ambient Mesh on Kubernetes: Sidecar-Free Service Mesh for Resource Optimization
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%.
Posted inAI
Ditch the API Fees: High-Quality AI Voice Cloning with Kokoro-TTS
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.
Posted inDevOps
Using mise (mise-en-place) in DevOps: Consistent Tool Version Management for kubectl, Terraform, Node, and Python
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.
Posted inDevOps
Building a SLSA Pipeline for Container Applications: Securing Your Software Supply Chain from Source to Registry
Supply chain attacks target your build pipeline, not just your app code. This guide walks through implementing SLSA Level 2–3 for container images using Cosign, sigstore keyless signing, and GitHub Actions provenance generation — with real workflow examples and Kubernetes policy enforcement.
Posted inDevOps
Earthly Deployment: Scaling Distributed Build Caches for Container-Native CI/CD
Environment drift is a productivity killer. Learn how Earthly replaces brittle Makefiles with isolated, container-native builds that share caches across your entire team.
Posted inNetworking
Network Lab Simulation with Containerlab: Build Virtual Router and Switch Environments Faster Than GNS3
Containerlab lets you simulate complex multi-vendor network topologies using containers instead of resource-heavy VMs — deploy a 5-node BGP lab in under 60 seconds. This guide walks through installation, topology files, FRRouting BGP setup, and CI/CD integration with practical examples.
Posted inLinux
Stop Wasting Storage: A Practical Guide to BorgBackup on Linux
Learn how to implement efficient, encrypted backups on Linux using BorgBackup. This guide covers deduplication techniques to save storage space and provides a complete automation script for server administrators.