Complete OPNsense Installation Tutorial (2025) | USB Creation + Proxmox Virtualization
Learn how to install OPNsense Firewall from start to finish in this detailed step-by-step tutorial!
In this video, I’ll show you how to create a bootable USB using Balena Etcher and Rufus, then guide you through installing OPNsense on both a physical server and a Proxmox VM.
You’ll also learn how to:
✅ Download the correct OPNsense ISO
✅ Create bootable media (USB) with Rufus or Balena Etcher
✅ Configure BIOS/UEFI boot settings
✅ Install OPNsense on a physical machine
✅ Create and install OPNsense on a Proxmox virtual machine
✅ Perform basic post-installation network configuration
Whether you're setting up your home lab, small business firewall, or testing virtualized security appliances, this video gives you everything you need to get started with OPNsense.
🔗 Download Links:
• OPNsense ISO → https://opnsense.org/download/
• Rufus → https://rufus.ie/
• Balena Etcher → https://etcher.balena.io/
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