Ubuntu JeOS is a variant of Ubuntu

Ubuntu (operating system)

Ubuntu is a computer operating system based on the Debian Linux distribution and distributed as free and open source software. It is named after the Southern African philosophy of Ubuntu...

 that is described as "an efficient variant [...] configured specifically for virtual appliance

Virtual appliance

A virtual appliance is a virtual machine image designed to run on a virtualization platform ....

s". It is a concept for what an operating system should look like in the context of a virtual appliance. JeOS

JEOS

JEOS may refer to:*Just enough operating system*Journal of the European Optical Society: Rapid Publications...

 stands for "Just enough Operating System

Operating system

An operating system is a set of programs that manage computer hardware resources and provide common services for application software. The operating system is the most important type of system software in a computer system...

."

Its first release was Ubuntu JeOS 7.10 (Gutsy Gibbon), and since the release of Ubuntu 8.10 it has been included as an option as part of the standard Ubuntu Server Edition.

Supported platforms

The current version of JeOS is optimized for virtualisation technologies by VMware, Inc.

VMware

VMware, Inc. is a company providing virtualization software founded in 1998 and based in Palo Alto, California, USA. The company was acquired by EMC Corporation in 2004, and operates as a separate software subsidiary ....

 and the Linux Kernel-based Virtual Machine

Kernel-based Virtual Machine

Kernel-based Virtual Machine is a virtualization infrastructure for the Linux kernel. KVM supports native virtualization on processors with hardware virtualization extensions....

.

Specifications

Specifications for version 8.10 and above include:

• Part of the standard Ubuntu Server ISO image
• Less than 380 MB installed footprint
• Specialised server Kernel (-virtual)
• Optimised for VMWare ESX, VMWare Server and KVM
  Kernel-based Virtual Machine
  Kernel-based Virtual Machine is a virtualization infrastructure for the Linux kernel. KVM supports native virtualization on processors with hardware virtualization extensions....
  
  
• Intel or AMD x86 architecture
• Minimum memory 128 MiB
• No graphical environment preloaded as it is aimed at server virtual appliances

External links

• JeOS and vmbuilder in Ubuntu Server Guide for Ubuntu 10.04 LTS
• Ubuntu Server features: Virtualisation
• Ubuntu Jeos at Launchpad
  Launchpad (website)
  Launchpad is a web application and website that allow users to develop and maintain software, particularly free software. Launchpad is developed and maintained by Canonical Ltd....
  
  
• How to Develop Virtual Appliances Using Ubuntu JeOS at Linux-Mag.com
  Linux Magazine (USA)
  Linux Magazine was a magazine about Linux written in English and published in the United States.In June 2008, Linux New Media AG purchased assets related to Linux Magazine...