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

Resolve 502 Bad Gateway Using Command Line Tools

A 502 Bad Gateway error means a server acting as a gateway or proxy received an invalid response ...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Fix Windows Security Blank Screen Not Loading

You open Windows Security (formerly Windows Defender) and see nothing but a blank white or gray s...

PowerShell Permission Denied Troubleshooting Checklist

When you run a PowerShell script or command and get a permission denied error, it's usually one o...

npm Command Not Found: Troubleshooting Checklist

You type npm install and get npm: command not found. This typically mea...

Fix Chrome Camera Permission Denied Error

When you try to use your camera in Chrome and see a 'Permission Denied' error, it can be frustrat...