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

Terminal Command Prompt Setup Guide for Mac

If you're new to the Mac terminal or just want a more informative command prompt, this guide cove...

Fix Chrome Profile Auto-Start Not Working on Windows 10

You set Chrome to open a specific profile at startup, but now it just opens the default profile o...

Fix Nginx 502 Bad Gateway in Docker Containers

You're running an Nginx container in Docker, but instead of your app, you see a 502 Bad Gateway e...

BitLocker Authentication Failed After Update: How to Fix

After a Windows update, some users see a BitLocker prompt that says authentication failed. The sy...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix MySQL Access Denied for User with GRANT Command

You're logged into MySQL as root or another user, but when you run a GRANT command, ...