NOTE: This is a Beta pre-release. Ubuntu Server Cloud Images Pre-releases are NOT recommended for:

• Regular users who are not aware of pre-release issues
• Anyone who needs a stable system
• Anyone uncomfortable running a possibly frequently broken system
• Anyone in a production environment with data or workflows that need to be reliable

Ubuntu Server Cloud Images Pre-releases ARE recommended for:

• Regular users who want to help us test by finding, reporting, and/or fixing bugs
• Ubuntu Server developers, testers
• People who want to 'live-on-the-edge'
• Those evaluating new features to Ubuntu Server

New Features in Ubuntu Server Cloud Images 13.04 Beta 1

Root Filesystem is now controllable from user-data

The ubuntu cloud images previously used cloud-initramfs-growroot so that the root filesystem would take up whatever disk space was made available. This allowed the hypervisor to simply extend/resize the volume and the image to magically make use of it.

Cloud-init in Ubuntu 13.04 has support for using partx to grow a partition while the partition is mounted. This means that the partition resize can take place later in boot and can now be controlled by user-data. The user can disable this if they wanted to use that additional space for something other than the root filesystem.

Ubuntu Server Cloud Images Applications

Installation

Ubuntu Server Cloud Images pre-releases are distributed via AMI's on Amazon AWS only. See http://cloud-images.ubuntu.com/releases/raring/beta1 for the AMI ID's.

Overview

Download

Ubuntu Server Cloud Images 13.04 Beta 1 images can be downloaded from:

• http://cloud-images.ubuntu.com/releases/raring/beta1

Upgrading

PLEASE BE REMINDED THAT UBUNTU CLOUD IMAGE UPGRADES TO 13.04 BETA 1 ARE NOT RECOMMENDED FOR PRODUCTION SYSTEMS. The Ubuntu Server team recommends using the Ubuntu 12.04

Upgrading from Ubuntu Server 12.10

To upgrade from Ubuntu Server 12.10, run "sudo do-release-update -d"

Upgrading from Other Releases

Users of other Ubuntu Server Cloud Images releases need to upgrade first to 12.04, and then to 12.10, and then basically upgrade to 13.04.

Infrastructure

Linux kernel 3.8

The Ubuntu Studio 13.04 (Raring Ringtail) Beta 1 snapshot includes the 3.8.0-12.28 Ubuntu Linux Lowlatency kernel which is based on the upstream v3.8-rc6 Linux kernel. Notable changes include initial support for arm multiplatform support for TI omap3/4 and Freescale imx6, alx ethernet driver support, misc config updates and security fixes.

GNU Toolchain

13.04 is distributed with an updated default toolchain that includes: GCC 4.7.2-21ubuntu1 (was GCC 4.7.2 in 12.10) and eglibc 2.17-0ubuntu4. ARM 64 bit cross compiler (gcc-4.7-arm64-cross 0.5.0) is also available.

Further information can be found upstream (GCC-4.7, gdb).

Java Toolchain

OpenJDK7 is the default Java implementation. Current revision is: OpenJDK-7 7u15-2.3.7-1ubuntu2.

Support

• Ubuntu Server 13.04 is supported for 18 months.

• Support via email can be found at the Ubuntu Server Mailing List.

• Support via IRC can be found in the #ubuntu-server channel on the freenode network