Fixing Nginx Upstream Connection Refused on Port 443
You see "upstream connection refused" in your Nginx error log when proxying requests to p...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix DNS Probe Finished NXDOMAIN After Changing DNS
After updating your DNS settings—perhaps to use Google Public DNS or Cloudflare—you might see the...
Fixing 'git rebase index.lock file exists' Error
When running git rebase, you may see an error like fatal: Unable to create ...
How to Fix Git Clone Timeout on Slow Internet
If you're seeing fatal: unable to access 'https://...' : Failed to connect ...:...
How to Free Up Disk Space for Docker: No Space Left on Device
When Docker throws a no space left on device error, it usually means your Docker sto...
Fix pnpm Permission Denied Errors on macOS
When running pnpm on macOS, you may encounter a EACCES: permission denied error, esp...
Issue queue
SitemapFix DNS Probe Finished NXDOMAIN After Changing DNS
How to Fix Windows 11 Blue Screen After Update Using Clean Boot
Resolve JavaScript Heap Out of Memory in Node Tests
How to Fix Git Authentication Failed in VSCode on Windows
Stop Chrome Memory Leaks with Built-in Task Manager
Troubleshoot Nginx Permission Denied
Docker Log Files Filling Up Disk? Here's the Fix
How to Resolve Merge and Rebase Conflicts in Git
Nginx Upstream Connection Refused Fix Guide
How to Fix Python Dependency Conflicts When Installing Packages
Resolving Docker Context Canceled and Permission Denied Errors
Fix 'python' Command Not Found on Windows 10 with Python 3.10
How to Fix Windows 11 Blue Screen After Update Using Clean Boot
Resolve JavaScript Heap Out of Memory in Node Tests
How to Fix Git Authentication Failed in VSCode on Windows
Stop Chrome Memory Leaks with Built-in Task Manager
Troubleshoot Nginx Permission Denied
Docker Log Files Filling Up Disk? Here's the Fix
How to Resolve Merge and Rebase Conflicts in Git
Nginx Upstream Connection Refused Fix Guide
How to Fix Python Dependency Conflicts When Installing Packages
Resolving Docker Context Canceled and Permission Denied Errors
Fix 'python' Command Not Found on Windows 10 with Python 3.10