Fix Cloudflare 522 Error with Nginx Configuration
You're seeing a Cloudflare 522 error: connection timed out between Cloudflare and your origin...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFixing Nginx Upstream Connection Refused on Port 443
You see "upstream connection refused" in your Nginx error log when proxying requests to p...
Fix Cloudflare 521 Error: DNS Configuration Problem
If you see a Cloudflare 521 error page, it means Cloudflare's servers are unable to connect t...
How to Validate Nginx Configuration Before Reload
Reloading nginx with a broken configuration can take your site down. The safe way is to test the ...
Fix Firefox Secure Connection Failed DNS Error
You try to visit a website in Firefox and see 'Secure Connection Failed' with an error li...
Fix 'Externally Managed Environment' Error on Linux
If you're on a modern Linux distribution (Ubuntu 23.04+, Debian 12+, Fedora 38+, etc.) and ge...
Issue queue
SitemapGit Rebase Error: index.lock File Exists – Solution
How to Fix Chrome Extensions That Won't Load
How to Recover Lost Commits from Git Detached HEAD
Fixing RDP Connection Issues by Resetting Settings
Resolve Access Denied Error in VS Code Integrated Terminal
Git Remote Origin Already Exists: Quick Fixes
Node Version Not Supported by npm Package – Fix
Fix Docker Volume Permission Denied for WordPress
Cloudflare 522 Error After Server Migration: Fixes That Work
Resolve pip Externally Managed on Debian Bookworm
Fix Error 0x80070002 in Windows Update Registry
How to Stop Chrome Crashing on Launch
How to Fix Chrome Extensions That Won't Load
How to Recover Lost Commits from Git Detached HEAD
Fixing RDP Connection Issues by Resetting Settings
Resolve Access Denied Error in VS Code Integrated Terminal
Git Remote Origin Already Exists: Quick Fixes
Node Version Not Supported by npm Package – Fix
Fix Docker Volume Permission Denied for WordPress
Cloudflare 522 Error After Server Migration: Fixes That Work
Resolve pip Externally Managed on Debian Bookworm
Fix Error 0x80070002 in Windows Update Registry
How to Stop Chrome Crashing on Launch