Tech insights & updates

Install Redis on Ubuntu 22.04 or 24.04 and harden it properly: strong password, localhost binding, systemd supervision, renamed dangerous commands and firewall rules.

Install MongoDB 8.0 on Ubuntu 24.04 from the official MongoDB repository with this step-by-step tutorial, including GPG key setup, authentication, verification, and troubleshooting.

Set up UFW on Ubuntu 24.04 the right way: default-deny incoming, SSH allowed and rate-limited first, only your real services exposed, databases pinned to trusted IPs.

Install PostgreSQL 18 on Ubuntu 24.04 or 22.04 from the official PGDG repository. This step-by-step guide covers repository setup, securing the server, creating users and databases, safe remote access, and fixes for common errors.

Install Python 3.13 on Ubuntu 24.04 with the deadsnakes PPA and set up isolated virtual environments for clean, conflict-free project development — explained step by step.

Learn how to configure Nginx as a reverse proxy on Ubuntu 24.04 with proxy_pass, essential headers, SSL via Certbot, and optional load balancing — fully tested, step by step.

A complete step-by-step guide to installing Docker Engine and Docker Compose on Ubuntu 24.04 from the official repository, with post-install setup, verification, and fixes for the errors everyone actually hits.

Learn how to install Node.js on Ubuntu 24.04 with three reliable methods: the NodeSource APT repository (best for production), NVM (best for developers), and Ubuntu's default packages, plus verification steps and real troubleshooting fixes.

MySQL 8.0 is end of life. This step-by-step guide installs the supported MySQL 8.4 LTS on Ubuntu 24.04 using Oracle's official APT repository, then hardens and verifies it.