VirtualBox

Install

Kali

apt-get install virtualbox-qt

Old Method

Debian:
Add this repo to /etc/apt/sources.list

deb  http://download.virtualbox.org/virtualbox/debian vivid contrib

run to get apt-secure key:

wget -q http://download.virtualbox.org/virtualbox/debian/oracle_vbox.asc -O- | sudo apt-key add - (old)
sudo su -c 'wget -q -O- http://download.virtualbox.org/virtualbox/debian/oracle_vbox_2016.asc | apt-key add -'

Install:

• Tip: install dkms first if not installed to add kernel updates support

 sudo apt-get update
 sudo apt-catche search virtualbox  
 sudo apt-get install virtualbox-(latest you see on apt-cache search)

• Tip: Install Oracle VM VirtualBox Extension Pack to add usb 2.0 and 3.0 support downloa here:
  

https://www.virtualbox.org/wiki/Downloads

Notas

 VBoxManage getextradata "VM-NAME" enumerate  #show variables
 VBoxManage setextradata "VM-NAME" KEY VALUE  #set variable KEY with value VALUE

key, value examples

KEY	VALUE
GUI/AutoresizeGuest	false
GUI/LastGuestSizeHint	1920,949
GUI/LastNormalWindowPosition	1110,403,800,667
CustomVideoMode1	1920x949x32

MAC OS Screen Resolution

VBoxManage setextradata "VM name" VBoxInternal2/EfiGopMode N

Where N can be one of 0,1,2,3,4 referring to the 640x480, 800x600, 1024x768, 1280x1024, 1440x900 screen resolution respectively

Export to VMware

1. Stop the virtual machine
2. File > Export Appliance
3. Export to OVF