Guides, benchmarks and product news on tutorials from the Karizanta engineering team.
A complete, copy-pasteable path to run n8n on your own Ubuntu VPS with Docker Compose and Postgres: the environment variables that matter, nginx and TLS, and the webhook, timezone and queue-mode traps that catch everyone.
Read more →A copy-pasteable path to run Vaultwarden 1.37.3 behind nginx and TLS on a small VPS, with the security steps that matter: admin token hashing, closed signups, a WebSocket-aware proxy, fail2ban on the login endpoint, and a backup you have actually restored.
Read more →A complete, copy-pasteable path to run Uptime Kuma 2.5.5 on Ubuntu 24.04: systemd unit, nginx reverse proxy with the WebSocket upgrade headers, and Let's Encrypt TLS. Plus the three traps that make the dashboard lie to you.
Read more →A command-level checklist for migrating a small agency's WordPress site off shared hosting onto a UK VPS you now run yourself: PHP-FPM sized from RAM, OPcache and Redis, a page cache that never leaks a cart, TLS and HTTP/2, the security layer that carries real weight, and keeping personal data under UK GDPR.
Read more →A freshly provisioned VPS is an exposed Linux box that bots probe within minutes. This checklist walks through the first 30 minutes on a new Ubuntu or CentOS server — updates, a non-root user, SSH hardening, firewall, fail2ban, swap and automatic patching — with the exact commands for each distribution.
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