Checklists for software errors, setup, and tool workflows.

Firefox Secure Connection Failed: Date and Time Fix

If you see a 'Secure Connection Failed' error in Firefox that mentions date or time, it u...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...

Fix Nginx 'upstream connection refused' When Talking to PHP-FPM

You're seeing upstream connection refused in your Nginx error log, and your site...

Fix 'python' Command Not Found on Windows 10 with Python 3.10

After installing Python 3.10 on Windows 10, you might type python in Command Prompt ...

Fix Nginx Configuration Test Failed on Ubuntu

When you run nginx -t on Ubuntu and get an error, Nginx won't reload or restart....

Fix VSCode Git Authentication Failed on Windows

If you see "Authentication failed" when pushing or pulling in Visual Studio Code on Windo...