Fix Nginx 'upstream connection refused' When Talking to PHP-FPM
You're seeing upstream connection refused in your Nginx error log, and your site...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Docker Compose Environment Variable Not Set on Build
You've defined environment variables in your docker-compose.yml under envi...
Fix 'git remote add origin already exists' Error
When you run git remote add origin <url> and see fatal: remote origin al...
Docker Desktop Engine Troubleshooting Checklist
When Docker Desktop fails to start or the engine stops responding, the cause is often a misconfig...
Firefox Secure Connection Failed: Date and Time Fix
If you see a 'Secure Connection Failed' error in Firefox that mentions date or time, it u...
How to Fix Nginx Redirect Loop That Prevents Site Loading
You open your site, and the browser keeps loading until it times out or shows a redirect error. T...
Issue queue
SitemapCentOS Nginx Permission Denied: Step-by-Step Fix
Git Remote Origin Exists Error Fix
How to Fix Chrome ERR_CONNECTION_RESET with DNS Flush
Windows 11 Loses Internet After Sleep – How to Fix
How to Enable Windows Defender Real-Time Protection in Windows 10
Stop Chrome Memory Leaks with Built-in Task Manager
Fix Missing Environment Variables in Docker Compose
npm run build Fails: Missing Environment Variables Fix
Fixing NGINX 502 Bad Gateway in Docker Containers
Fix Firefox Secure Connection Failed Due to Malware
VS Code Not Showing Git Changes After Branch Switch
Troubleshooting Blue Screen Crashes Post Windows 11 Update
Git Remote Origin Exists Error Fix
How to Fix Chrome ERR_CONNECTION_RESET with DNS Flush
Windows 11 Loses Internet After Sleep – How to Fix
How to Enable Windows Defender Real-Time Protection in Windows 10
Stop Chrome Memory Leaks with Built-in Task Manager
Fix Missing Environment Variables in Docker Compose
npm run build Fails: Missing Environment Variables Fix
Fixing NGINX 502 Bad Gateway in Docker Containers
Fix Firefox Secure Connection Failed Due to Malware
VS Code Not Showing Git Changes After Branch Switch
Troubleshooting Blue Screen Crashes Post Windows 11 Update