Best virtualization operating system?

[nothotscott]

I've had my ubuntu server for a while and i want to add more machines. I haven't really done anything to my server(except probably decrease the security) so i don't want ubuntu to be it's OS anymore. What's the best virtualization OS(an OS specifically designed for virtualization and nothing else.)
I DON't want a host either(i.e, Linux running virtualbox running another linux/any other machine)

I think VMware can do it, but that costs money(which I don't have), any alternatives? Perhaps a linux distro designed specifically designed for this?

I think I saw Linus do this in his 7-gamers-1-PC video, but it might have been something different (and expensive)

[vanished]

I think you need a "hypervisor" but I know little more than the name about it

[Samfisher]

EXSI is free and part of VMWare. It's a hypervisor you install OS's into as VMs.

[techguru]

virtualbox is free to

[CWP]

• VMWare ESXi
• Proxmox VE (based on Debian)
• Citrix XenServer (based on CentOS)
• RedHat's RHEV (requires subscription though)
• oVirt
• Limetech unRAID (which is what you were referring to for Linus' 7-gamers-1-computer)

Personally, I have been doing CentOS + VirtualBox + phpvirtualbox for headless management, but obviously this does not fit your requirements.

[nothotscott]

Thanks. ESXi seems to be working so far

[amppi]

If i understood the opening post correctly and you want a virtual server platform from where you can run multiple machines, then Proxmox is a good choice:

https://www.proxmox.com/en/

 

After setup, it's pretty easy to use. I have not set it up from the scratch ever, but have reinstalled it from the downloadable media. Was pretty much next->next->next->type server name->next->next->done. Then creating virtual machines is as easy as on any other platform (virtualbox, vmware, so on). Proxmox also supports some sort of clustering, so in the future you can add more hosts hardware and just share the virtual machines from one host to another to ease the load.