Is there any Windows/Linux host officially available on the Internet for practicing penetration testing?

I am having continuous trouble with Virtual-Box.

It is horribly slow to load and giving me lots of configuration troubles. Just eating up my time.

This is my machine:

enter image description here

  • There are many VM solutions out there - try another one. Do you think that a online host for anybody to hammer would be faster? May 22 '15 at 12:40
  • 4 Gig could be a bit low for running multiple VM's
    – LvB
    May 22 '15 at 13:19