A new great product from Canonical Ltd. that’ll greatly help virtualization users (VMWare, KVM…etc):

Tech Specs – v 8.04:

• Less than 100Mo ISO image
• Less than 300Mo installed footprint
• Specialised -virtual Kernel 2.6.24
• Optimised for VMWare ESX, VMWare Server and KVM
• Intel or AMD x86 architecture
• Minimum memory 128M
• No graphical environment preloaded as it is aimed at server virtual appliance
• Working knowledge of linux administration and debian packages recommended to start building your own appliance

For more info, please visit this official link