If you need help burning these images to disk, see the Image Burning Guide. Select an image Ubuntu is distributed on two types of images described below. Server install image The server install image allows you to install Ubuntu permanently on a computer for use as a server. Ubuntu Select an image. Ubuntu is distributed on two types of images described below.
Desktop image. The desktop image allows you to try Ubuntu without changing your computer at all, and at your option to install it permanently later.
From a reliable source, no torrent sites. I want version AppArmor policy has been adjusted for packages that ship it to work with these changes, but local policy may need to be adjusted, especially for signal and ptrace rules.
See man 5 apparmor. Oxide is a webview based on Chromium to deliver web content. Oxide allows us to better support 3rd party developers and applications within the Ubuntu archive by providing a fast, secure and up to date webengine library for the duration of the LTS.
While other web content libraries such as those based on webkit are available, their maintenance will be limited to new upstream minor version releases only, and application developers are encouraged to use Oxide instead. Upstart has been upgraded to version 1.
More details are available in the Upstart Technical Overview. Unity Desktop has been streamlined for the Important new features include:. The rest of the Ubuntu desktop also received many updates. Some important changes include:. The LibreOffice office suite has been updated to the latest and greatest version, 4. A new start center gives previews and easy access to recently used documents. A new flat icon theme: sifr , installable with apt-get install libreoffice-style-sifr.
The full list of new features in LibreOffice 4. The Xorg display server and drivers have been updated to the OpenStack Dashboard - Horizon. The OpenStack Charms for deploying OpenStack using Juju have been updated to support deployment of Icehouse - see the charm release notes for full details. Users of OpenStack The Ubuntu Cloud Archive also provides the Icehouse release for Please refer to the upstream release notes for full details of upgrading between OpenStack releases and the features introduced in each release.
This is a major version upgrade from previous Ubuntu LTS releases and includes many changes which are not compatible with Puppet 2. Please review the upstream release notes to determine which breaking changes apply to your installation. This is a significant upgrade from the previous release. Of particular note the xen hypervisor no longer supports 32bit only CPUs on the x86 architecture; 32bit Dom 0 running on the 64bit hypervisor is still supported. The hypervisor will automatically be upgraded to the 64bit version the Dom 0 does not need to change.
Also the XM xend management stack has been deprecated since Xen 4. Therefore we urge all users to start using the new xl toolstack. The format of normal configuration files is mostly identical, only usage of Python inside the config file is no longer supported.
Also managed domains, which were managed by xend and stored in a different sxpr format will need to be migrated. When upgrading to Xen However, due to many dependencies, this is failing more often than not. Likewise, when libvirt is used to manage machines, the xend managed domains can be migrated into libvirt xml definitions by calling "sudo libvirt-migrate-xend-managed-domains". This is not done automatically for safety reasons. This release of Ceph includes efficient erasure coding of data for cold storage and tiered pooling.
Please refer to the upstream release notes for full details on upgrading. Due to incompatibilities in the emulated hardware, live migration of pc To migrate such a VM, you must install the kvm-ipxe-legacy package, and use the "-M pc Such VMs cannot be migrated to releases later than User emulation of arm64 binaries is now supported, and support for armhf and arm64 kvm-accelerated virtual machines is now available.
From If you are using a desktop image and being placed in low graphics mode, then switching to a new machine type, for instance pc See the upstream release notes for details of all features included in this release. Note that the openvswitch-datapath-dkms package is not compatible with the Linux 3.
In addition to bug fixes and minor improvements, MAAS version 1. Zones : A Zone is arbitrary grouping of nodes. This grouping can then be used as a constraint for deployment. This includes enlistment, commissioning and deployment and is primarily focused on allowing users to use Hardware Enablement Kernels. See the upstream changelog for full change information. Trusty Tahr Ubuntu New in Ubuntu Download Ubuntu ISO , Ubuntu Di mana ini merupakan hal yang sangat ditunggu-tunggu oleh penggemar Ubuntu Server dan yang pasti sangat menantang untuk diutak-atik.
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