VirtualBox

If you copy a VirtualMachine without using the Clone command in VirtualBox you might receive an error similar to Trying ...

In order to recover diskspace on your VirtualBox host machine it is necessary to zero out the unused portion of VirtualB...

Windows, Linux (Ubuntu, Mint, Debian etc...), MacOS may be affected by this issue if you are using running a guest opera...

  http://www.virtualflush.com/how-to-start-stop-virtualbox-machines-automatically/    ...

 sudo apt-get install -y dkms linux-headers-generic wget -q http://download.virtualbox.org/virtualbox/debian/oracle_vbox...