Fixing Nginx 502 Bad Gateway with Docker and Load Balancers
If you're running Nginx as a reverse proxy or load balancer in a Docker setup, a 502 Bad Gate...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Nginx 502 Bad Gateway on Docker Ubuntu
You're running Nginx as a reverse proxy inside Docker on Ubuntu, and suddenly you see
Cloudflare SSL Full Strict Error 525 Fixes
If you see Error 525: SSL handshake failed when using Cloudflare with SSL set to...
Docker Container Exits Immediately on Linux: Fixes
You start a Docker container, but it exits immediately. This is a common issue on Linux. The cont...
How to Fix Git Push Rejected (Non Fast-Forward Error)
When you run git push and see ! [rejected] with non fast-forward<...
Fix Windows Search Indexing Permission Denied Error
When Windows Search indexing fails with a “permission denied” error, it usually means the indexer...
Issue queue
SitemapTroubleshooting npm ERR! enoent Missing package.json
Bluetooth Not Working After Windows 11 Update: Fix
Fix ERR_NAME_NOT_RESOLVED in Chrome by Resetting DNS
npm package.json Not Found: Troubleshooting Checklist
VS Code Git Changes Not Detected After Clone: Fixes
Docker Pull Unauthorized Access Denied Fix
Docker Compose Build Args Not Working
Docker Desktop Engine Not Responding: Practical Fixes
How to Bypass Chrome Certificate Warning
Resolve Chrome Access Violation on PDF
Windows 11 WiFi Has Internet but Other Devices Work Fine
Setting Up Cloudflare Wildcard Subdomains for Multiple Sites
Bluetooth Not Working After Windows 11 Update: Fix
Fix ERR_NAME_NOT_RESOLVED in Chrome by Resetting DNS
npm package.json Not Found: Troubleshooting Checklist
VS Code Git Changes Not Detected After Clone: Fixes
Docker Pull Unauthorized Access Denied Fix
Docker Compose Build Args Not Working
Docker Desktop Engine Not Responding: Practical Fixes
How to Bypass Chrome Certificate Warning
Resolve Chrome Access Violation on PDF
Windows 11 WiFi Has Internet but Other Devices Work Fine
Setting Up Cloudflare Wildcard Subdomains for Multiple Sites