Fixing Nginx Upstream Connection Refused and Permission Denied
If you see connect() failed (111: Connection refused) or connect() failed (13:...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesCloudflare Origin Certificate Not Working After Renewal: Fixes
If your Cloudflare origin certificate stops working after renewal, you are likely seeing SSL erro...
Fix Nginx 403 Forbidden: Permission Denied Errors
You're trying to access a site served by nginx, but you get a 403 Forbidden ...
Resolve Git Merge Conflicts in VS Code: Step-by-Step
When you pull or merge branches in Git and both branches have changed the same part of a file, yo...
Nginx Configuration Test Failed: Fix Server Block Errors
When you run nginx -t and see "test failed" with a server block error, it us...
Git Large File Storage Setup Tutorial
If you've ever tried to push a repository containing large binary files—like design assets, d...
Issue queue
SitemapCloudflare 521 Error: Fixing WordPress Connection Issues
Server Resource Exhaustion: Fixing Cloudflare 522 Errors
How to Fix Windows Update Error 0x80070005
How to Fix Docker Build Context Canceled in VS Code
Troubleshooting Git index.lock Permission Error
Fix Cloudflare Origin Certificate Permission Denied Error
Resolve Cloudflare SSL Full Strict Mode Failure
Windows 11 Bluetooth Pairing Troubleshooting Guide
Run VS Code Terminal as Admin on Windows
Blank Terminal in VS Code? Try These Fixes
WSL IntelliSense Not Working in VS Code: Troubleshooting Guide
Python Permission Denied When Installing Virtualenv
Server Resource Exhaustion: Fixing Cloudflare 522 Errors
How to Fix Windows Update Error 0x80070005
How to Fix Docker Build Context Canceled in VS Code
Troubleshooting Git index.lock Permission Error
Fix Cloudflare Origin Certificate Permission Denied Error
Resolve Cloudflare SSL Full Strict Mode Failure
Windows 11 Bluetooth Pairing Troubleshooting Guide
Run VS Code Terminal as Admin on Windows
Blank Terminal in VS Code? Try These Fixes
WSL IntelliSense Not Working in VS Code: Troubleshooting Guide
Python Permission Denied When Installing Virtualenv