Backing up a virtual machine (VM) in VirtualBox can be done by exporting it as an appliance, which creates a package containing all the necessary files, configurations, and settings needed to recreate the VM. This package is saved as an .ova file and can be imported into VirtualBox or other virtualization software.
To export a VM as an appliance in VirtualBox, follow these simple steps:
- Shut down the VM you want to back up to ensure that all the files are in a consistent state.
- Open VirtualBox Manager and select the VM you want to back up.
- Click on the “File” menu and select “Export Appliance...“. This will launch the Export Appliance Wizard.
- In the Export Appliance Wizard, you can specify the export format and a file location for the exported VM. You can choose between the OVF or OVA format.
- Review the export settings and click “Next“. Here, you can customize the exported appliance’s settings, such as the virtual disk format, CPU and RAM settings, and network settings.
- Review the summary and click “Export” to start the export process, which may take some time depending on the VM’s size.
Once the export process is complete, you will have an .ova file that contains all the files and configurations needed to recreate the VM. This file can be stored in a safe location as a backup or can be imported into VirtualBox or other virtualization software as needed.
It’s important to note that exporting a VM as an appliance is not the only backup option in VirtualBox. You can also make a copy of the VM’s files or use VirtualBox’s built-in snapshot feature. The best backup method will depend on your specific needs and circumstances.