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

How to Fix a systemd Service Restart Loop

You start a systemd service and it immediately restarts, or it runs for a few seconds and then re...

How to Fix Cloudflare Flexible SSL Redirect Loop

If your site is stuck in a redirect loop after enabling Flexible SSL on Cloudflare, you're likely...

Microsoft Teams Connection Refused: Step-by-Step Troubleshooting

When you see a 'connection refused' error in Microsoft Teams, it usually means the app can't reac...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fixing Outlook DNS Error: Not Connecting to Server

You open Outlook and see an error: "Cannot connect to your email server" or "Outlook cannot conne...