Workflow manuals for setup steps, repeatable tasks, and software operations.

Fix Nginx 502 Bad Gateway with Docker Multiple Containers

If you run Nginx as a reverse proxy in front of multiple Docker containers, a 502 Bad Gateway err...

Cloudflare SSL Full Strict Troubleshooting Steps

If you have set Cloudflare SSL/TLS encryption to Full (strict) and your site shows errors like 52...

Fix Git Clone Connection Timed Out Due to Proxy Settings

You run git clone https://github.com/example/repo.git and after a long pause you get...

How to Fix Cloudflare Error 521: Origin Server Unreachable

If you see Cloudflare error 521, your origin server is not responding to Cloudflare's request...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

You run git clone https://example.com/repo.git and get:

fatal: unable to acc...

How to Fix Git Detached HEAD State and Undo Changes

You run git status and see something like "HEAD detached at abc123". This ha...