Running a virtual machine doesn't mean you are immune to security risks.
These community-driven sites offer ready-to-use .vdi and .vmdk files for almost every Ubuntu flavor (Kubuntu, Lubuntu, etc.). They usually provide a default username and password, making them the most beginner-friendly option. 3. Vagrant Cloud
| Hypervisor | Performance | Notes | |------------|-------------|-------| | KVM | ★★★★★ | Near-native (virtio drivers) | | VirtualBox | ★★★☆☆ | Works fine, but slower I/O | | VMware | ★★★★☆ | Good with open-vm-tools installed | | Hyper-V | ★★★★☆ | Good with Linux Integration Services |
In VirtualBox, go to File > Import Appliance . In VMware, use File > Open .