Knowledge base for software setup, errors, and daily tool work.

Docker Compose Env File Not Found: Troubleshooting Checklist

Fix GitHub Actions Permission Denied for Checkout Step

When a GitHub Actions workflow fails at the checkout step with a 'permission denied' error, it us...

Fix WSL Ubuntu Cannot Ping External Network

You run ping google.com from your WSL Ubuntu terminal and get no response, or an err...

How to Fix PowerShell Execution Policy Error

When you try to run a PowerShell script and see an error like 'cannot be loaded because running s...

Outlook Not Receiving Emails: Troubleshooting Checklist

If Outlook stops receiving new emails, the problem is often one of a few common causes. Work thro...

Jupyter Kernel Not Starting: Quick Fixes

You open a notebook, try to run a cell, and the kernel dies or never connects. This is a common J...