Proxmox isn't the only hypervisor — there's a better alternative

But while Proxmox is popular, it isn't the only option. Even better, because the SmartOS system runs in RAM, you get to use all of your server's storage for actual storage. In the case of LXC, Proxmox essentially layers kernel namespaces and control groups on a standard operating system kernel. Instead of running a Linux kernel atop another Linux kernel, SmartOS and the Illumos kernel interpret Linux system calls on the fly and at speed. SmartOS isn't for everyoneBut it's well worth checking outAs promising as SmartOS is, it's important to note that it isn't for everyone.