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

Fix Docker Volume Permission Denied for Postgres

Fix Cloudflare 521 Error Due to Server Overload

You see a Cloudflare 521 error page. The message says the web server is down. Often, this means y...

Fix Windows Search Index Exclude Folder Not Working

If you've added a folder to the exclusion list in Windows Search indexing options but files f...

Fix Nginx 'upstream connection refused' When Talking to PHP-FPM

You're seeing upstream connection refused in your Nginx error log, and your site...

Fix 'git remote origin already exists' on Windows

When working with Git on Windows, you may see the error fatal: remote origin already exists...