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:

Fixing Nginx Upstream Connection Refused on Port 443

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

Fix 'Python Command Not Found' in Anaconda on Windows

Fix Chrome Not Responding on Startup – Practical Steps

If Chrome hangs or shows 'Not Responding' immediately after you launch it, the problem is...

Using nvm to Switch Node Version for a Specific Package

You might find that a package fails to install or run because it requires a specific Node.js vers...