// Adrian Marikar
A fast, high-contrast home for essays, build logs, and practical observations about technology, internet businesses, automation, and turning ideas into shipped work.
// about this site
Adrian Marikar writes about practical technology, internet businesses, product experiments, and the craft of turning rough ideas into useful things. The design is dark and energetic, but the goal is simple: readable posts and useful ideas.
// latest writing
Short reads, practical guides, and build notes. The archive is built to grow without slowing down.
2026.06 / security checklist 017
SSH key-only logins, a non-root sudo user, UFW, fail2ban, unattended security upgrades, swap, sysctl tuning, loopback-bound admin services, and tested backups — in a sensible order.
2026.06 / NewBizFeed build log 016
Where NewBizFeed.com stands after its first few weeks: fresh UK and Ireland lead packs, a redesigned site, moderated listing updates, and the roadmap ahead.
2026.06 / discovery workflow 015
A practical workflow for submitting new static HTML posts only after GitHub, Coolify, RSS, sitemap, and live-page verification all agree.
2026.06 / DNS checklist 014
Which records to proxy, which to keep DNS-only, and how to verify a custom-domain app without leaking useful origin details or breaking mail.
2026.06 / NewBizFeed build log 013
How NewBizFeed uses parallel Codex discovery and review lanes to turn public company-register data into safer, source-attributed lead packs.
2026.06 / deploy checklist 012
A practical GitHub-to-Coolify-to-nginx checklist for static HTML sites, cache-busted CSS, RSS, sitemap, Docker builds, and live verification.
2026.06 / research method 012
How the racing research app separates weak signals from stronger evidence with paper tracking, price-source checks, and promotion guardrails.
2026.06 / naming note 011
The racing research project has moved to a clearer, more distinctive name because RaceEdge and similar names were already crowded.
2026.06 / horse racing tips research 010
What RaceEdge has learned from paper tracking, Betfair delayed pricing, cross-source lay slices, and blocked proxy strategies.
2026.06 / analytics guide 009
How to measure real unique visitors on a static nginx blog with SQLite, salted hashes, bot filtering, and no third-party tracking pixels.
2026.06 / email guide 008
A practical checklist for adding another domain to Docker Mailserver without breaking existing mail, DKIM, PTR/rDNS, TLS, or mailboxes.
2026.06 / infrastructure log 007
How the VPS uses Docker Mailserver, DNS, SPF, DKIM, DMARC, Let’s Encrypt, and Himalaya for self-hosted mail.
2026.06 / build log 006
The static HTML, GitHub, Docker, nginx, Coolify, Cloudflare, and Hermes workflow behind adrianmarikar.com.
2026.06 / build log 005
How I’m building railsideratings.co.uk as a real-data UK & Ireland racing research app with explainable scoring, paper tracking, and Coolify deployment.
2026.06 / guide 004
How I use a Hetzner VPS, Hermes agents, Coolify, GitHub, Cloudflare, and Telegram to ship apps with AI.