Online Simulator for Virtual Machine training?

Shoe Box

I've used Cisco Packet Tracer for making small networks and programming routers and switches for CCT / CCNA practice. Is there any sort of simulator to practice virtual machines with?

Verities

I've never used it personally, but known others who have and they enjoy it:

http://www.labguides.com/autolab/

kj0

Verities wrote: »

I've never used it personally, but known others who have and they enjoy it:

http://www.labguides.com/autolab/

My write up here. Slightly old.
https://readysetvirtual.wordpress.com/2014/05/24/why-autolab-makes-building-your-home-lab-simple/