Create a VBox virtual machine in command line:

### Required Packagesyum install mesa-libGL-develyum install SDL-develyum install kernel-develyum install kernel-headersyum install glibc-develyum install gcc-c++ yum install dkms

INSTALL VirtualBox

wget [PATH]/VirtualBox-4.2-4.2.10_84104_el5-1.i386.rpm
rpm -i VirtualBox-4.2-4.2.10_84104_el5-1.i386.rpm

Create a linux virtual machine with memory of 32 MB, NIC hostonly

VBoxManage createvm --name [OS NAME] --ostype Linux --register
VBoxManage modifyvm [OS NAME] --memory 32 --acpi on --boot1 dvd --nic1 hostonly

Turn on Remote desktop

VBoxManage modifyvm [OS NAME] --vrde on

Create VBox interface on main machine

VBoxManage hostonlyif create
VBoxManage hostonlyif ipconfig vboxnet0 --ip 192.168.56.1 --netmask 255.255.255.0
VBoxManage modifyvm [OS NAME] --hostonlyadapter1 vboxnet0

Remove VBox interface on main machine

#VBoxManage hostonlyif remove vboxnet0

Create HDD File with space of 500 MB

VBoxManage createhd --filename [OS NAME].vdi --size 500

Create the control for managing the devices

VBoxManage storagectl [OS NAME] --name "IDE Control" --add ide --controller PIIX4
VBoxManage storageattach [OS NAME] --storagectl "IDE Control" --port 0 --device 0 --type hdd --medium [OS NAME].vdi
VBoxManage storageattach [OS NAME] --storagectl "IDE Control" --port 0 --device 1 --type dvddrive --medium [OS SETUP].ISO

Start VBox without GUI

VBoxManage startvm [OS NAME] --type headless

Control Virtual machine poweroff/reset

#VBoxManage controlvm [OS NAME] poweroff

Enable X64 CPU

#VBoxManage modifyvm [OS NAME] --longmode on