Knowledge base for software setup, errors, and daily tool work.

How to Check DNS Configuration for Windows Activation

If Windows activation fails with an error like “0x8007232B” or “DNS name does not exist,” the pro...

Fix Microsoft Store Not Connecting to Internet

You open Microsoft Store and see a message like 'Check your internet connection' or 'Try that aga...

SSH Permission Denied (Publickey) on EC2: Setup Fixes

If you're seeing "Permission denied (publickey)" when trying to SSH into an AWS EC2 instance, the...

Fix 'cargo build' Permission Denied on Linux

When you run cargo build on Linux and get a permission denied error, th...

Docker Container Restarting Due to Health Check: Causes and Fixes