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Cloudflare Origin Certificate Setup Checklist

If you're setting up a Cloudflare origin certificate to encrypt traffic between Cloudflare an...

Troubleshooting

Docker Nginx 502 Bad Gateway: Memory Limit Fix

You're running Nginx in Docker as a reverse proxy, and suddenly you see 502 Bad Gateway error...

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Fix Git 'index.lock file exists' Error

If you see fatal: Unable to create 'path/.git/index.lock': File exists. when...

Troubleshooting

Fix Chrome Certificate Error: Invalid Authority & Date/Time Issue

You're browsing in Chrome and see a full-page warning: Your connection is not private...

Troubleshooting
How to Fix Git index.lock File Exists Error on Mac

If you're working with Git on a Mac and see the error fatal: Unable to create '/pat...
Troubleshooting Fix Nginx Upstream Connection Refused in Proxy Pass When Nginx returns a 502 Bad Gateway or logs upstream connection refused

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