Software

eMudhra's Weak Certificate Keys: What to Do

Eight eMudhra certificates had keys as weak as the number 4. Chrome, Android and Firefox have blocked them. What happened and what you should update.

Best Ollama Models for 8GB RAM PCs (No GPU)

The Ollama models that actually fit an 8GB RAM PC without a GPU, with real download sizes, what to avoid, and how to measure speed on your own machine.

Wi-Fi Connected but No Internet on Windows 11

Windows 11 says No internet, secured? Find out whether it's the PC or the network, then work through the fixes from DNS flush to network reset.

Windows Update Stuck at 0% or 100%? Try This

Windows Update stuck at 0% or 100%? The fixes in order: wait, restart, troubleshooter, reset update components, DISM/SFC, manual install, repair reinstall.

Pi-hole vs AdGuard Home: Which I'd Pick in 2026

Pi-hole v6 vs AdGuard Home compared: encrypted DNS, parental controls, platforms, what neither can block, and which one I'd pick for most homes.

How to Set Up AdGuard Home (Raspberry Pi, Docker, Windows)

Install AdGuard Home on a Raspberry Pi, in Docker or on Windows, then set upstream DNS, blocklists and your router so every device is covered.

Windows 11 26H2: Should You Update? (25H2 vs 26H2)

Windows 11 26H2 is a small enablement package that resets your support clock to October 2028. What changes, known issues and how to update.

BitLocker Recovery Key Screen? How to Find Your Key

Stuck on the BitLocker recovery screen? Where your 48-digit key is usually saved, the other places to check, and how to stop it happening again.

Windows 10 Updates Extended to Oct 2027: What to Do Now

Windows 10 support still ended in 2025, but consumer ESU security updates now run to 12 October 2027. Here is what changed and what to do.

Tailscale vs WireGuard: Which One for a Home Lab?

Plain WireGuard or Tailscale for your home lab? It mostly comes down to CGNAT. Here is how to tell which one fits your connection.