Fix Nginx 502 Bad Gateway with Docker and PHP-FPM
You have a Docker setup with Nginx proxying to a PHP-FPM container, and you're getting a 502 ...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesUnderstanding and Fixing Git Detached HEAD State
If you've seen the message You are in 'detached HEAD' state in Git, you ...
How to Fix Cloudflare 522 Error from Plugin Conflicts
If you're seeing a Cloudflare 522 error, it usually means the connection between Cloudflare a...
DNS Probe Finished NXDOMAIN: Troubleshooting Checklist
Seeing "DNS_PROBE_FINISHED_NXDOMAIN" in Chrome means the browser couldn't find the IP...
Fix DNS Probe Finished NXDOMAIN with VPN Issues
When you see 'DNS probe finished NXDOMAIN' in your browser while a VPN is active, it mean...
How to Fix Git Authentication Failed in VS Code
You're in VS Code, push or pull fails with "Authentication failed"—this is common and...
Issue queue
SitemapWindows Update 0x800f081f DISM Fix Guide
Fix VS Code Git Changes Not Showing in Source Control Panel
How to Fix Permission Denied Error in Windows 11 Update
How to Avoid index.lock File in Git
cPanel Cloudflare Origin Certificate Installation Guide
How to Add Python to PATH on Windows 10
Remote Desktop Not Working After Wake: Troubleshooting Guide
How to Resolve Git Non Fast Forward Push Rejection
SourceTree Git index.lock Error Fix
How to Fix ERR_NAME_NOT_RESOLVED in Chrome Incognito
Fix npm run build Failures After npm install
How to Resolve DNS_PROBE_FINISHED_NXDOMAIN for One Site
Fix VS Code Git Changes Not Showing in Source Control Panel
How to Fix Permission Denied Error in Windows 11 Update
How to Avoid index.lock File in Git
cPanel Cloudflare Origin Certificate Installation Guide
How to Add Python to PATH on Windows 10
Remote Desktop Not Working After Wake: Troubleshooting Guide
How to Resolve Git Non Fast Forward Push Rejection
SourceTree Git index.lock Error Fix
How to Fix ERR_NAME_NOT_RESOLVED in Chrome Incognito
Fix npm run build Failures After npm install
How to Resolve DNS_PROBE_FINISHED_NXDOMAIN for One Site