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 notesHow to Remove the Externally Managed Environment Flag in pip
If you're seeing error: externally-managed-environment when using pip on a moder...
Fix npm install Permission Denied on node_modules
When you run npm install and see a permission denied error involving node_modu...
Fix Docker Build Context Canceled in VS Code
When building Docker images from within VS Code, you might see an error like build context ...
How to Fix Nginx Redirect Loop from HTTP to HTTPS
If you're seeing an infinite redirect loop when trying to force HTTPS in nginx, the browser u...
VSCode Terminal Not Opening After Extension Install: Fix
You install a new extension in Visual Studio Code, restart or reload, and then the terminal panel...
Issue queue
SitemapVS Code Git Changes Missing from Source Control
How to Fix Chrome Sync Waiting for Sync
Fix npm run build Failure from Missing Env Variables
How to Fix Nginx Redirect Loop from HTTP to HTTPS
Fix Firefox Secure Connection Failed (Error Code Guide)
Fix 'Permission Denied' in VS Code When File Isn't Read-Only
Cloudflare Error 522 Troubleshooting Guide
Troubleshoot Windows Security App Launch Failure
Nginx Upstream Connection Refused: Cloudflare Fix Guide
Resolve Git SSL Certificate Error on macOS
Git Merge Refusal: Unrelated Histories Fix
Resolve Git Push Rejected Non-Fast-Forward
How to Fix Chrome Sync Waiting for Sync
Fix npm run build Failure from Missing Env Variables
How to Fix Nginx Redirect Loop from HTTP to HTTPS
Fix Firefox Secure Connection Failed (Error Code Guide)
Fix 'Permission Denied' in VS Code When File Isn't Read-Only
Cloudflare Error 522 Troubleshooting Guide
Troubleshoot Windows Security App Launch Failure
Nginx Upstream Connection Refused: Cloudflare Fix Guide
Resolve Git SSL Certificate Error on macOS
Git Merge Refusal: Unrelated Histories Fix
Resolve Git Push Rejected Non-Fast-Forward