Category: Computer science areas
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.
Create a virtual machine in Proxmox VE step by step
The Proxmox VE hypervisor server allows 2 ways to virtualize , the first is to create virtual machines , and the second is to create Linux-based containers (LxC) . In this guide we will see how to create a virtual machine in Proxmox VE step by step and what to do in each of the…
How to install Debian 12 Bookworm netinst in text mode for servers
Historical and updated Debian 12 Bookworm netinst server guide with 40 original screenshots, networking, partitioning, APT, SSH, LTS status, and first administration steps.
GNU/Linux: what it is, how it works, and how a distribution is built
A complete introduction to GNU/Linux: GNU vs. Linux, the kernel, distributions, systemd, terminal, desktops, package managers, security, containers, and current distributions.
How to install pfSense CE 2.6.0 step by step: historical guide
Historical pfSense CE 2.6.0 installation guide with the 41 original screenshots, official downloads and checksums, WAN/LAN setup, WebConfigurator, and setup wizard.
pfSense in 2026: firewall, router, VPN, and network platform
A complete guide to pfSense CE 2.9.0 and pfSense Plus 26.07: firewalling, routing, VLANs, VPNs, Multi-WAN, DHCP/DNS, HA, packages, hardware, and installation.
How to install Proxmox VE 7.4 step by step: historical guide
Historical Proxmox VE 7.4 installation guide with the original 2023 screenshots, official ISO, requirements, networking, first login, and end-of-life context.