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

Fixing Nginx Upstream Connection Refused on Port 443

You see "upstream connection refused" in your Nginx error log when proxying requests to p...

Fix 'Git Remote Origin Already Exists' When Updating Remote URL

You run a command like git remote add origin https://newurl.com/repo.git and get

Fix Git index.lock File Exists Permission Denied Error

You're in the middle of a Git operation and suddenly you see:

fatal: Unable to ...