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Ubuntu: Installing Ubuntu for Raspberry Pi, Canonical's Web and Design, OpenStack Charms and Ceph

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Ubuntu
  • 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.

  • 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.

  • 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.

  • 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.

  • 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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today's howtos

  • How to install go1.19beta on Ubuntu 22.04 – NextGenTips

    In this tutorial, we are going to explore how to install go on Ubuntu 22.04 Golang is an open-source programming language that is easy to learn and use. It is built-in concurrency and has a robust standard library. It is reliable, builds fast, and efficient software that scales fast. Its concurrency mechanisms make it easy to write programs that get the most out of multicore and networked machines, while its novel-type systems enable flexible and modular program constructions. Go compiles quickly to machine code and has the convenience of garbage collection and the power of run-time reflection. In this guide, we are going to learn how to install golang 1.19beta on Ubuntu 22.04. Go 1.19beta1 is not yet released. There is so much work in progress with all the documentation.

  • molecule test: failed to connect to bus in systemd container - openQA bites

    Ansible Molecule is a project to help you test your ansible roles. I’m using molecule for automatically testing the ansible roles of geekoops.

  • How To Install MongoDB on AlmaLinux 9 - idroot

    In this tutorial, we will show you how to install MongoDB on AlmaLinux 9. For those of you who didn’t know, MongoDB is a high-performance, highly scalable document-oriented NoSQL database. Unlike in SQL databases where data is stored in rows and columns inside tables, in MongoDB, data is structured in JSON-like format inside records which are referred to as documents. The open-source attribute of MongoDB as a database software makes it an ideal candidate for almost any database-related project. This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you the step-by-step installation of the MongoDB NoSQL database on AlmaLinux 9. You can follow the same instructions for CentOS and Rocky Linux.

  • An introduction (and how-to) to Plugin Loader for the Steam Deck. - Invidious
  • Self-host a Ghost Blog With Traefik

    Ghost is a very popular open-source content management system. Started as an alternative to WordPress and it went on to become an alternative to Substack by focusing on membership and newsletter. The creators of Ghost offer managed Pro hosting but it may not fit everyone's budget. Alternatively, you can self-host it on your own cloud servers. On Linux handbook, we already have a guide on deploying Ghost with Docker in a reverse proxy setup. Instead of Ngnix reverse proxy, you can also use another software called Traefik with Docker. It is a popular open-source cloud-native application proxy, API Gateway, Edge-router, and more. I use Traefik to secure my websites using an SSL certificate obtained from Let's Encrypt. Once deployed, Traefik can automatically manage your certificates and their renewals. In this tutorial, I'll share the necessary steps for deploying a Ghost blog with Docker and Traefik.