Fix Nginx 502 Bad Gateway: Upstream Connection Refused
If you're seeing a 502 Bad Gateway error with "upstream connection refused" in your N...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Docker Pull Access Denied: Authentication Required
When you run docker pull and get an error like access denied: authentication r...
Fix 'npm install' Permission Denied When Using Yarn
You run yarn install in a project and later try npm install only to hit...
How to Fix Cloudflare SSL Full Strict Error
If you see a Cloudflare SSL error when using Full (Strict) mode, your origin server is not presen...
VS Code Git Not Detecting Changes in Workspace: Fixes
You open VS Code, make edits, and expect to see them in the Source Control panel. But nothing sho...
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
SitemapConfigure Git HTTP Timeout to Avoid Clone Failures
Docker Desktop Engine Stopped: WSL Issue Fix
Git SSL Problem: Unable to Get Local Issuer Certificate
VS Code Breakpoint Not Working in Docker: Fixes
Git Detached HEAD: How to Fix and Prevent
How to Resolve Git Keychain Authentication Error in VS Code
DNS Probe Finished NXDOMAIN Error Explained
How to Fix Git Large File Errors When Not Using LFS
Docker Compose Not Reading Shell Environment Variables
How to Recover Pruned Docker Networks
Fix ERR_NAME_NOT_RESOLVED with ipconfig /flushdns in Chrome
Fix Docker Build Context Canceled Error with Large Directories
Docker Desktop Engine Stopped: WSL Issue Fix
Git SSL Problem: Unable to Get Local Issuer Certificate
VS Code Breakpoint Not Working in Docker: Fixes
Git Detached HEAD: How to Fix and Prevent
How to Resolve Git Keychain Authentication Error in VS Code
DNS Probe Finished NXDOMAIN Error Explained
How to Fix Git Large File Errors When Not Using LFS
Docker Compose Not Reading Shell Environment Variables
How to Recover Pruned Docker Networks
Fix ERR_NAME_NOT_RESOLVED with ipconfig /flushdns in Chrome
Fix Docker Build Context Canceled Error with Large Directories