How to Fix Cloudflare 521 Error with Firewall Settings
If you see a 521 Web Server Is Down error when visiting your site through Cloudf...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix 'python command not found' on Windows with Python Installed
You installed Python on Windows, but when you type python --version in Command Promp...
Git Merge Unrelated Histories: When and How to Use --allow-unrelated-histories
You try to merge two branches and get fatal: refusing to merge unrelated histories. ...
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...
How to Fix Cloudflare 521 Error (Port 443 Blocked)
When you see a Cloudflare 521 error, it means Cloudflare’s servers cannot connect to your origin ...
Fix 'Git Remote Origin Already Exists' Without Deleting
When you run git remote add origin <url> and see fatal: remote origin al...
Issue queue
SitemapDocker Build Context Canceled Timeout Fix
Checklist for Nginx Configuration Test Failure
Fix VSCode Terminal Not Opening with Git Bash
Resolve Chrome Certificate Error Post-Update
Git Clone Timeout: Config Settings to Try
How to Fix Python Requests Connection Timeout Errors
Fix Docker Network Not Found Error
Fix 'pip externally managed environment' on Ubuntu 23.04
How to Fix Python Permission Denied When Installing Packages
How to Get PowerShell Back in VS Code Terminal
Troubleshooting VSCode Extension Access Errors
Fix Nginx Redirect Loop in WordPress
Checklist for Nginx Configuration Test Failure
Fix VSCode Terminal Not Opening with Git Bash
Resolve Chrome Certificate Error Post-Update
Git Clone Timeout: Config Settings to Try
How to Fix Python Requests Connection Timeout Errors
Fix Docker Network Not Found Error
Fix 'pip externally managed environment' on Ubuntu 23.04
How to Fix Python Permission Denied When Installing Packages
How to Get PowerShell Back in VS Code Terminal
Troubleshooting VSCode Extension Access Errors
Fix Nginx Redirect Loop in WordPress