How to Fix Nginx Upstream Connection Refused on Port 80
When nginx logs show "upstream connection refused" while connecting to port 80, it means ...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFixing Docker Bind Mount Permission Denied Errors
When you run a Docker container with a bind mount and see Permission denied, it usua...
Fixing Nginx 502 Bad Gateway in Docker: Practical Steps
You set up Nginx as a reverse proxy in Docker, but instead of your app you see a 502 Bad Gateway....
VSCode Debugger Breakpoints Not Hit After Update: Fixes
After a recent VSCode update, you might find that breakpoints are set but never hit. The debugger...
Fix 'python command not found' on Windows with Python Installed
You installed Python on Windows, but when you type python --version in Command Promp...
Fix 'fatal: refusing to merge unrelated histories' in Git
You cloned a repository, made some commits locally, and now when you try to git pull...
Issue queue
SitemapResolve index.lock Exists in Git on Linux
How to Stop Chrome from Crashing at Launch
How to Fix Missing Source Control Changes in VS Code
Nginx HTTP to HTTPS Redirect Loop Fix
Fix Windows Update Service Not Starting Automatically
How to Resolve Git Clone Timeout in Linux
Fix Chrome Your Connection Is Not Private Error
How to Reset VS Code Terminal Settings When It Won't Open
Python Open File Encoding Error: Quick Fix
How to Restore Lost Git Commits
Fix Docker No Space Left on Device on Ubuntu
Nginx Missing Semicolon Error Fix
How to Stop Chrome from Crashing at Launch
How to Fix Missing Source Control Changes in VS Code
Nginx HTTP to HTTPS Redirect Loop Fix
Fix Windows Update Service Not Starting Automatically
How to Resolve Git Clone Timeout in Linux
Fix Chrome Your Connection Is Not Private Error
How to Reset VS Code Terminal Settings When It Won't Open
Python Open File Encoding Error: Quick Fix
How to Restore Lost Git Commits
Fix Docker No Space Left on Device on Ubuntu
Nginx Missing Semicolon Error Fix