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

How to Install Command Line Tools Without Internet Access

You're setting up a machine with no internet, or you're on a restricted network. You need command...

Fix Jupyter Notebook Token Not Working on Mac

You launch Jupyter Notebook on your Mac, see the token URL in the terminal, copy it into your bro...

Fix Command Prompt Invalid Configuration Error

When you open Command Prompt and see an error like 'invalid configuration' or 'the configuration ...

Fix Docker Build Error: 'failed to solve: manifest not found'

You run docker build and get an error like:

failed to solve: error fetching ...

Fix PostgreSQL Connection Refused Due to pg_hba.conf

When a client gets 'connection refused' from PostgreSQL, the first thing to check is the pg...