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

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

Python Requests: Setting Timeout for POST Requests

When your Python script makes a POST request to an external API or web service, a slow or unrespo...

Fix 'Permission Denied' When Using mkdir in VS Code Terminal

You're working in the VS Code integrated terminal and run a mkdir command only t...

How to Fix Nginx Configuration Test Failed Error

When you run nginx -t and see "test failed", it means nginx found a problem ...

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

Symptom

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

Fix Docker Compose Environment Variable Missing Errors

You run docker-compose up and see errors like WARNING: The VARIABLE_NAME varia...