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

Fix Nginx Configuration Test Failure from Rewrite Rules

You run nginx -t and get an error. The log points to a rewrite rule. This is common ...

Fix Git Merge Conflicts with Deleted Files

You're in the middle of a merge and git stops with a conflict. One side deleted a file, the o...

Fix Git Pull Unrelated Histories Error: Step-by-Step

You run git pull and see: fatal: refusing to merge unrelated histories....

How to Fix Windows Update Error 0x800f081f (Missing Files)

You see error 0x800f081f when running Windows Update, often with a message like 'The source f...

Fix Cloudflare Wildcard Subdomain Redirect Loop