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Everything about KB5127648, the Windows 11 October 2026 update: the zero-day it fixes, known problems like Smart App Control, and why 24H2 users must upgrade.
PHP2Shell is a pair of critical PHP vulnerabilities (CVE-2026-109618, CVE-2026-109619) that allow unauthenticated remote code execution. Check your PHP version and patch now.
Learn how to calculate subnets by hand with a simple step-by-step method: find the network, broadcast and host range of any IPv4 address, with worked examples.
A beginner’s guide to checking open ports on Linux with ss, lsof, and nmap, so you can see which services listen on your system and close the ones you don’t need.
NVMe vs SATA SSD explained simply: speed, price, compatibility and real-world performance, so you can pick the right drive for your PC or laptop.
A step-by-step beginner’s guide to installing Pi-hole on a Raspberry Pi and blocking ads and trackers on every device in your home network.
Learn what a large language model is, how it works, how it’s trained, and where it fails. A simple beginner’s guide to the technology behind AI chatbots.
Do you find yourself running the same commands every day? Backing up files, cleaning temporary folders, or restarting a service? With cron jobs on Linux, you can schedule all of that to run automatically, without lifting a finger. In this guide, you’ll learn what cron is, how to read its syntax, and how to create … Read more
A beginner’s introduction to Arduino — what it is, how to set up the IDE, and how to wire and code your first blinking LED project.
A plain-language explanation of how home networks actually work — IP addresses, routers, DNS, and the basics you need for troubleshooting.