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

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix Outlook Dependency Conflict After Update

After a recent Office or Windows update, Outlook may fail to start or show errors about a missing...

Fix Cloudflare DNS Not Working with VPN Connection

If you use Cloudflare DNS (1.1.1.1) and a VPN together, you may hit a snag where DNS stops resolv...

Fix Nginx Config Test Failed: Could Not Build Server_names_hash

When running nginx -t to test your configuration, you may encounter the error ...