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INFRASTRUCTURE · SECURITY · SYSTEMS

Notes from the terminal.

Building infrastructure with a production-grade mindset -- security, reliability, and systems that hold up when it matters.

# whoami

role: "DevOps Engineer"

knowledge:

- linux, networking, security

- containers, orchestration, cloud

- ci/cd, automation, monitoring

- ai-assisted development

Latest

Fresh off the terminal

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Featured linuxdebianubuntu

Linux Server Security Baseline: What Every DevOps Engineer Should Apply

Seven hardening steps to run on any fresh Debian or Ubuntu server — whether it is an AWS EC2 instance, a GCP VM, or bare metal. SSH hardening, UFW, Fail2ban, and automatic security updates.

March 15, 2026 14 min read

llmai-agents

Your LLM Has Amnesia. Build It a Wiki.

A structured markdown wiki gives every LLM session shared memory of your codebase — saving tokens, surviving model swaps, and catching spec bugs unit tests can't.

April 28, 2026 10 min

gitcollaboration

Git Branching Strategy: A Practical Case

A practical Git workflow built on GitHub Flow / trunk-based development: main + feature branches + hotfixes, preview-per-PR, scales from 3 devs to 300.

December 6, 2025 10 min

Deep dives

Topics

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TOPIC · 01

Git for Your Team

10 posts

Practical Git workflows and self-hosted GitLab setup for your development team — branching, CI/CD, runners, registry, and performance tuning

TOPIC · 02

Logging & Monitoring

1 post

Build a monitoring and logging stack for your homelab and services — Grafana, Prometheus, and the tools that surface what's actually happening on your hosts

TOPIC · 03