Vitux published a tutorial about how to create Linux OS templates with KVM on Ubuntu 20.04.
How to Create Linux OS Templates with KVM on Ubuntu 20.04
KVM refers to the Kernel-based Virtual Machine which helps to run multiple Linux or window-based isolated guests along with their own OS and virtual dedicated hardware. To run KVM your system must be compatible with hardware virtualization extensions, such as AMD-V or Intel-VT.
How to Create Linux OS Templates with KVM on Ubuntu 20.04 – VITUX