[Saris]

Proxmox is a nice UI and extra utilities on top of KVM for VMs, KVM can be installed on any Linux system.

I'd install Proxmox in a VM and give it a try if you want to see how it goes.

[stunpix]

Just for note: Proxmox also can run containers (not Docker) beside VMs.

[CoolCold]

I tend to use those VE, virtual environment to make distinguish between containers, VMs and lightweight full OS based containers, since the days of using OpenVZ - may be i'll like that naming too.