GMKTEC G10 Review: an affordable Ryzen mini PC
The GMKTEC G10 is an affordable Proxmox host for Ubuntu LXC containers. With a Ryzen 5 3500U, 16 GB of memory, NVMe storage and 2.5 Gigabit Ethernet, it reliably runs website frontend services.
Building a redundant DHCP infrastructure with ISC Kea DHCP
A DHCP server is one of the most critical services in any network. If DHCP becomes unavailable, devices may no longer receive IP addresses, causing users and services to lose network connectivity. For that reason,…
Intel NUC DN2820FYK Review
Still Useful After More Than a Decade? Context and intent This Intel NUC DN2820FYK was purchased second hand through an auction as part of a lot of seven units, at roughly 40 euro per NUC,…
Traceability in Software Testing: From ISTQB Theory to Tools like Jama and Xray
In software testing, traceability is one of the fundamental concepts taught in the ISTQB Certified Tester Foundation Level. In complex projects it becomes a powerful mechanism to ensure software quality. Traceability answers a crucial question…
Installing Java on Windows 11 for Modern Test Automation
When you move from infrastructure engineering into software testing or development, one of the first practical steps is setting up a proper Java environment. Java remains one of the most widely used languages in enterprise…
Understanding ICMP: The Control Protocol Behind IP Networks
ICMP stands for Internet Control Message Protocol.It is defined as part of the IP protocol suite and operates at the network layer. Important distinction: ICMP does not transport application data.It transports control and error reporting…
IEC 62443, NIS2 and ISO 27001: How These Cybersecurity Frameworks Differ and Where They Overlap
In industrial and regulated environments, cybersecurity is no longer optional. Whether you operate bridges, ship locks, energy systems, manufacturing lines, or laboratory automation, you are expected to demonstrate structured risk management and resilience. Three names…
The Human Firewall: An Essential Layer in Cyber Defense
In every security architecture diagram you will see firewalls, IDS systems, endpoint protection, network segmentation, encryption, and monitoring layers. But there is one control that does not sit in a rack. It does not run…
Alpha, Beta and Gamma Radiation in Nuclear Decay
When an unstable atomic nucleus transforms itself into a more stable configuration, the process is known as nuclear decay. During this transformation, energy is released in the form of radiation. The three most common types…
Windows Spotlight, but on Kubuntu: How KDE Quietly Nails It
One of the small but surprisingly delightful features of Windows 11 is Windows Spotlight. With an easy setting of your wallpaper, your desktop greets you with a new, carefully selected image. Landscapes, space photography, abstract…