Ubuntu: Installing Ubuntu for Raspberry Pi, Canonical's Web and Design, OpenStack Charms and Ceph
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Canonical Makes It Easier to Download Ubuntu for Raspberry Pi
Canonical’s Design and Web team have recently updated the official Ubuntu website to make it easier for users to find the right Ubuntu image for their tiny Raspberry Pi computers.
In December 2019, Canonical published a support roadmap for the latest Raspberry Pi 4 single-board computer on their Ubuntu Server operating system and pledged to fully support Ubuntu on all Raspberry Pi boards.
With the release of Ubuntu 18.04.4 LTS earlier this month, Canonical has also refreshed the Raspberry Pi page on the ubuntu.com website to help users find the right Ubuntu version for their Raspberry Pi boards.
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Ubuntu Blog: Design and Web team summary – 14 February 2020
The Web and Design team at Canonical looks after most of our main websites, the brand, our Vanilla CSS framework and several of our products with web front-ends. Here are some of the highlights of our completed work over our last two-week iteration.
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OpenStack Charms 20.02 – CephFS backend for Manila and more
The OpenStack Charms 20.02 release introduces support for Ceph File System (CephFS) to be used as storage backed for Manila. CephFS is a POSIX-compliant file system providing a file storage layer on top of Ceph. Manila is an OpenStack project providing shared filesystem services for tenants.
Previous releases of OpenStack Charms included manila charm with a generic plugin that could be used to configure the NFS-based backend for Manila. Although this solution was suitable for testing and development, it was not intended for production environments.
The CephFS backend for Manila brings the OpenStack shared filesystem service to the enterprise level. This comes through enabling tenants to benefit from all the best features provided by Ceph, such as high availability, fault tolerance, scalability and security.
In order to deploy or extend Charmed OpenStack with CephFS backed for Manila, users have to use additional charms (ceph-fs, manila and manila-ganesha). These have been introduced and stabilised in this release. Please refer to the official documentation for information on how to integrate new charms with the existing deployment.
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Canonical Releases OpenStack Charms 20.02 with CephFS Support, More
OpenStack Charms 20.02 is available now with CephFS backend for Manila, Policy Overrides for more charms, updated OVN and MySQL 8 previews, and much more.
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Ceph storage on Ubuntu: An overview
Ceph is a compelling open-source alternative to proprietary software defined storage solutions from traditional vendors, with a vibrant community collaborating on the technology. Ubuntu was an early supporter of Ceph and its community. That support continues today as Canonical maintains premier member status and serves on the governing board of the Ceph Foundation.
With many global enterprises and telco operators running Ceph on Ubuntu, organisations are able to combine block and object storage at scale while tapping into the economic and upstream benefits of open source.
Why use Ceph?
Ceph is unique because it makes data available in multiple ways: as a POSIX compliant filesystem through CephFS, as block storage volumes via the RBD driver and for object store, compatible with both S3 and Swift protocols, using the RADOS gateway.
A common use case for Ceph is to provide block and object store to OpenStack clouds via Cinder and as a Swift replacement. Kubernetes has similarly adopted Ceph as a popular way for physical volumes (PV) as a Container Storage Interface (CSI) plugin.
Even as a stand-alone, Ceph is a compelling open-source storage alternative to closed-source, proprietary solutions as it reduces OpEx costs organisations commonly accrue with storage from licensing, upgrades and potential vendor lock-in fees.
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