Category: Computer science areas
Computer networking from scratch: roadmap for future sysadmins
A complete networking roadmap for future sysadmins: Ethernet, IPv4/IPv6, subnetting, VLANs, routing, DNS, DHCP, Linux, firewalls, VPNs, troubleshooting, virtualization, and automation.
The United Airlines reservation system designed by Evelyn Berezin
History and architecture of Evelyn Berezin’s United Airlines reservation system, distinguishing it from the earlier UNISEL and explaining its high availability.
Evelyn Berezin: from United Airlines reservations to the Data Secretary
Biography of Evelyn Berezin: systems designer behind an early United Airlines reservation system and founder of Redactron, maker of the Data Secretary.
How to install WordPress on Ubuntu 24.04 LTS with Apache, MySQL, PHP 8.3 and Let’s Encrypt
Step-by-step guide to installing WordPress on Ubuntu Server 24.04 LTS with Apache, MySQL 8.0, PHP 8.3, and Let’s Encrypt HTTPS using Certbot.
What is Delphi? Object Pascal, VCL, FireMonkey, and why it still matters
What Delphi is in 2026: Object Pascal, VCL and FireMonkey, supported platforms, Community Edition, commercial editions, strengths, limitations, and its evolution to Delphi 13.2 Florence.
Web browsers: history, how they work, engines, and major options
What a web browser is, how it works, its history, Blink, Gecko and WebKit engines, security, privacy, and the most-used browsers in 2026.
How to install Debian 12 (Bookworm) with KDE Plasma step by step
Step-by-step Debian 12 Bookworm + KDE Plasma installation guide, updated for Bookworm’s 2026 LTS status, including downloads, partitioning, Wayland/X11, repositories, and system updates.
Software Quality Assurance: Functional and Non-Functional Testing
Updated guide to functional and non-functional testing: test levels, performance, security, accessibility, regression, and automation.
How to create an LXC container in Proxmox VE 7.4 step by step
Historical Proxmox VE 7.4 LXC container guide with the original screenshots and current notes on Proxmox VE 9.2, security, templates, resources, networking, and backups.
How to create a virtual machine in Proxmox VE 7.4 step by step
Historical Proxmox VE 7.4 VM creation guide with the original screenshots and notes explaining the configuration changes and current Proxmox VE 9.2 best practices.