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

Nginx Configuration Test Failed: Fix Server Block Errors

When you run nginx -t and see "test failed" with a server block error, it us...

Recover Lost Changes After Git Detached HEAD

You've made several edits, then checked out an old commit or tag, and now Git says you're...

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

Fix ERR_NAME_NOT_RESOLVED DNS Configuration Error

When you see ERR_NAME_NOT_RESOLVED in your browser, it means the DNS lookup for ...

How to Fix Windows Search Indexing Not Working

If Windows Search stops returning results or takes too long, the indexing service is likely stall...

Windows Remote Desktop Setup Checklist: 10 Steps to Connect

You've tried to connect to another Windows PC using Remote Desktop, but you get errors like &...