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

How to Validate Nginx Configuration Before Reload

Reloading nginx with a broken configuration can take your site down. The safe way is to test the ...

Checklist for Pushing Large Files with Git

You've likely hit this: you try to push a commit, and Git rejects it because a file is too la...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer Certificate

How to Fix Windows Search Indexing Slow Performance

If Windows Search is taking forever to index files or seems to hang, the problem is often a bloat...

How to Fix Cloudflare SSL Full Strict Self-Signed Certificate Error

Fix Cloudflare 522 Error with Nginx Configuration

You're seeing a Cloudflare 522 error: connection timed out between Cloudflare and your origin...