qemu

# create a qemu image of qcow2 format, with size gigabytes
qemu-img create -f qcow2 <image_name> <size>G

# install iso to hard drive.
# -boot d specifies that we want to boot from the cdrom
# -m 2G specifies 2 gigs of memory
# -ctrl-grab specifies that we will use right-ctrl to grab mouse
qemu-system-x86_64 -enable-kvm -hda <image_name> -cdrom <iso> -boot d -vga std -m 2G -ctrl-grab

# run installed system
qemu-system-x86_64 -enable-kvm -hda <image_name> -vga std -m 2G

# run with options
# -boot c specifies we want to boot from the hard disk
# -k en-us specifies that we want to use english keyboard layout
#	(we need to use this so ctrl and capslock are swapped correctly)
qemu-system-x86_64 -enable-kvm -hda <image_name> -boot c -vga std -m 2G -ctrl-grab -k en-us