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

Fix Git Clone Connection Timed Out Due to Firewall

You run git clone and after a long pause see connection timed out. This...

How to Fix a Detached HEAD in Git Using SourceTree

If you open SourceTree and see a message like “You are in ‘detached HEAD’ state,” it means your w...

Fix Windows Update Error 0x80070002

Windows Update error 0x80070002 usually appears during an update attempt. The system may stall at...

Checklist to Fix npm Permission Denied Errors

If you see "EACCES: permission denied" or "Error: EACCES, mkdir" when running npm...

Fix Nginx 502 Bad Gateway on Docker Ubuntu

Fix Cloudflare SSL Full Strict Certificate Mismatch Error

If you set Cloudflare SSL/TLS encryption mode to Full (strict) and see a certificate mismatch err...