With the Sandbox 50, you can spin up to 50 VMs in simulation mode (depending on your Windows 10 RAM).
This guide covers how to download the OpenNebula Sandbox OVA file for free and how to get it up and running on your Windows 10 machine using VirtualBox or VMware.
Click on in the top menu, then select Import Appliance . opennebula sandbox 50 ova file download for windows 10 free
| Problem | Likely Cause | Solution | |---------|-------------|----------| | VM fails to start (VT‑x error) | Hardware virtualization disabled in BIOS | Reboot, enter BIOS/UEFI, enable Intel VT‑x or AMD‑V | | Sunstone interface not loading | Wrong IP address or port forwarding missing | Double‑check port forwarding rules; try http://localhost:9869 | | Cannot log in as oneadmin | Wrong password or missing auth file | Use root / opennebula on the console to reset the password with oneuser passwd oneadmin | | Sandbox VM is very slow | Not enough RAM allocated | Increase VM memory to 2–4 GB (if your host has enough) | | No USB 1.1 option in VirtualBox | VM type not set correctly | Re‑import the OVA and choose a Linux 64‑bit template before starting |
Future work on the OpenNebula Sandbox 5.0 could include the addition of new features, such as support for containerization and bare-metal provisioning. Additionally, the OpenNebula community could benefit from the development of more comprehensive documentation and tutorials to help users get started with the platform. With the Sandbox 50, you can spin up
If the legacy 5.0 OVA cannot be located, you can using OpenNebula’s modern miniONE script or the official deployment ISO . These methods provide a more up‑to‑date, production‑aligned cloud sandbox that runs on Windows 10 (via a virtual machine) and is 100% free.
Enter the – a pre-configured, lightweight virtual appliance designed to let you run a fully functional OpenNebula cloud environment on your local machine. | Problem | Likely Cause | Solution |
OpenNebula 5.0 is a legacy release, and the official pre-configured sandbox appliance for VirtualBox has been deprecated . OpenNebula now recommends using for quick evaluation and sandbox environments. OpenNebula Current Recommendation: miniONE Instead of a standalone
Before downloading the file, ensure your Windows 10 computer meets these hardware and software requirements:
No complex installation; just import the OVA file into a hypervisor.
Note: For the underlying Linux appliance, the root password is often opennebula as well 1.2.4. How to Use the Sandbox for Development