Tag: devops

Compiling on Linux With Low RAM

Compile software on Raspberry Pi or cheap VPS with 512MB–2GB RAM. Swap, parallel jobs, ccache, and swappiness tuning make it work.

Restic vs Borg vs Kopia: Backups That Actually Deduplicate

rsync is not a backup. Restic, Borg, and Kopia do deduplication, encryption, and incremental snapshots properly. Here's which one fits your home lab and why.

SBOMs and Supply Chain Security

A Software Bill of Materials tells you exactly what's in your software. Syft generates one, Grype scans it for CVEs. Together they're your supply chain paper trail.

Container Security: Scan and Sign Your Images Like You Mean It

Pulling unscanned images onto your server is a gamble. Trivy finds the CVEs. Cosign proves the image hasn't been swapped out. Here's how to add both to your workflow.

Loki vs ELK: Centralized Logging Without the RAM Tax

ELK does everything and wants all your memory. Loki does logging the Prometheus way — label indexes, not content — and runs on a fraction of the resources. Here's the honest comparison.

Cockpit vs Webmin: Web Admin Panels That Don't Make You Cry

Cockpit is the modern systemd-native Linux admin panel. Webmin is the veteran that configures everything. Here's which one should be on your servers — and which shouldn't.

Trivy + Cosign: Scan and Sign Your Images

You're pulling container images from strangers on the internet. Trivy scans them for CVEs. Cosign proves they haven't been tampered with. Use both.

Prometheus + Grafana: Monitoring That Doesn't Lie to You

Prometheus scrapes metrics. Grafana makes them pretty. Alertmanager wakes you up at 2 AM. Here's how to wire all three together into a monitoring stack that actually works.

Gitea vs Forgejo vs GitLab CE: Self-Hosted Git

GitLab CE does everything and wants all your RAM. Gitea and Forgejo run on a Raspberry Pi. Here's which self-hosted git platform actually fits your setup.

Docker BuildKit: Stop Building Images the Slow Way

Cache mounts, secret mounts, parallel stages — BuildKit turns your Dockerfile from a slow linear disaster into something that actually respects your time.

Docker Networking Demystified

Docker networking confuses everyone at first. Here's the practical breakdown of bridge, host, overlay, and macvlan — with real Compose examples.

Lazydocker & Dive: Fix Your Docker CLI

Learn how lazydocker and dive make Docker manageable from your terminal. TUI dashboards, image layer analysis, CI integration, and optimization tips.