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Creating a ROS 2 CLI command and verb
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Following our previous post on ROS 2 CLI (Command Line Interface), we will see here how one can extend the set of existing CLI tools by introducing a new command and its related verb(s). As support for this tutorial, we will create a ‘Hello World’ example so that the new command will be hello and […]

The post Creating a ROS 2 CLI command and verb appeared first on Ubuntu Blog.

https://admin.insights.ubuntu.com/2019/08/07/creating-a-ros-2-cli-command-and-verb/
Creating a ROS 2 CLI command and verb
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Following our previous post on ROS 2 CLI (Command Line Interface), we will see here how one can extend the set of existing CLI tools by introducing a new command and its related verb(s). As support for this tutorial, we will create a ‘Hello World’ example so that the new command will be hello and […]

http://ubuntu.com/blog/creating-a-ros-2-cli-command-and-verb
Enhancing our ZFS support on Ubuntu 19.10 – an introduction
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Ubuntu has supported ZFS as an option for some time. We started with a file-based ZFS pool on Ubuntu 15.10, then delivered it as a FS container in 16.04, and recommended it for the fastest and most reliable container experience on LXD. We have also created some dedicated tutorials for users who want to become […]

The post Enhancing our ZFS support on Ubuntu 19.10 – an introduction appeared first on Ubuntu Blog.

https://admin.insights.ubuntu.com/2019/08/07/enhancing-our-zfs-support-on-ubuntu-19-10-an-introduction/
Enhancing our ZFS support on Ubuntu 19.10 – an introduction
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Ubuntu has supported ZFS as an option for some time. We started with a file-based ZFS pool on Ubuntu 15.10, then delivered it as a FS container in 16.04, and recommended it for the fastest and most reliable container experience on LXD. We have also created some dedicated tutorials for users who want to become […]

http://ubuntu.com/blog/enhancing-our-zfs-support-on-ubuntu-19-10-an-introduction
Ubuntu Server development summary – 06 August 2019
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Hello Ubuntu Server

The purpose of this communication is to provide a status update and highlights for any interesting subjects from the Ubuntu Server Team. If you would like to reach the server team, you can find us at the #ubuntu-server channel on Freenode. Alternatively, you can sign up and use the Ubuntu Server Team mailing list or visit the Ubuntu Server discourse hub for more discussion.

Spotlight: Welcome Lucas Kanashiro

Lucas Kanashiro has joined the Canonical server team as of this week! Lucas will help maintain Ubuntu Server packages and the development of our cloud tools.

Lucas is a free and open source software contributor and Debian Developer. Most recently he was maintaining cloud related packages and performing security uploads on behalf of the Debian LTS team. Through the years in Debian, he worked on infrastructure related software, on the Ruby and Perl packaging teams and as a GSoC mentor. Find him on Freenode as kanashiro.

cloud-init
- Publish release of cloud-init into Ubuntu Eaon series. Version: 19.2-5-g496aaa94-0ubuntu1
- net/cmdline: split interfaces_by_mac and init network config determination [Daniel Watkins]
- stages: allow data sources to override network config source order [Daniel Watkins]
- cloud_tests: updates and fixes [Ryan Harper]
- Fix bug rendering MTU on bond or vlan when input was netplan. (LP: #1836949)
- net: update net sequence, include wait on netdevs, opensuse netrules path [Ryan Harper] (LP: #1817368)
- Release 19.2 [Ryan Harper] (LP: #1836921)
- net: add rfc3442 (classless static routes) to EphemeralDHCP [Ryan Harper] (LP: #1821102)
- templates/ntp.conf.debian.tmpl: fix missing newline for pools [Ryan Harper] (LP: #1836598)
- Support netplan renderer in Arch Linux [Conrad Hoffmann]
- Fix typo in publicly viewable documentation. [David Medberry]
- Add a cdrom size checker for OVF ds to ds-identify [Pengpeng Sun] (LP: #1806701)
- VMWare: Trigger the post customization script via cc_scripts module. [Xiaofeng Wang] (LP: #1833192)
- Cloud-init analyze module: Added ability to analyze boot events. [Sam Gilson]
- Update debian eni network configuration location, retain Ubuntu setting [Janos Lenart]
- net: skip bond interfaces in get_interfaces [Stanislav Makar] (LP: #1812857)
- Fix a couple of issues raised by a coverity scan [Daniel Watkins]
curtin
- vmtest: bump ram size on Zfs tests for Disco and Eoan [Ryan Harper]
- vmtest: drop Cosmic test cases [Ryan Harper]
- unittests: mock subp in ChrootableTarget exit test cases [Ryan Harper]
- util.ChrootableTarget: skip rename of resolv.conf if not present in target [Ryan Harper] (LP: #1834382)
- Release 19.2 [Ryan Harper] (LP: #1836951)
Contact the Ubuntu Server team
- Chat on #ubuntu-server on Freenode
- Email the ubuntu-server mailing list
- Find us on the Ubuntu Community Hub – server channel
Bug Work and Triage
- 263 bugs in the backlog
- Notes on daily bug triage
Ubuntu Server Packages

Below is a summary of uploads to the development and supported releases. Current status of the Debian to Ubuntu merges is tracked on the Merge-o-Matic page. For a full list of recent merges with change logs please see the Ubuntu Server report.

Proposed Uploads to the Supported Releases

Please consider testing the following by enabling proposed, checking packages for update regressions, and making sure to mark affected bugs verified as fixed.

Total: 12
Uploads Released to the Supported Releases

Total: 41
Uploads to the Development Release

Total: 53
https://admin.insights.ubuntu.com/2019/08/06/ubuntu-server-development-summary-06-august-2019/
Ubuntu Server development summary – 06 August 2019
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Hello Ubuntu Server The purpose of this communication is to provide a status update and highlights for any interesting subjects from the Ubuntu Server Team. If you would like to reach the server team, you can find us at the #ubuntu-server channel on Freenode. Alternatively, you can sign up and use the Ubuntu Server Team […]

The post Ubuntu Server development summary – 06 August 2019 appeared first on Ubuntu Blog.

https://admin.insights.ubuntu.com/2019/08/06/ubuntu-server-development-summary-06-august-2019/
Ubuntu Server development summary – 06 August 2019
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Hello Ubuntu Server The purpose of this communication is to provide a status update and highlights for any interesting subjects from the Ubuntu Server Team. If you would like to reach the server team, you can find us at the #ubuntu-server channel on Freenode. Alternatively, you can sign up and use the Ubuntu Server Team […]

http://ubuntu.com/blog/ubuntu-server-development-summary-06-august-2019
Declarative vs Imperative: DevOps done right
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Deciding whether to automate workloads, while designing your ICT infrastructure, is trivial. It’s 2019 and automation is everywhere around. However, deciding which DevOps paradigm to choose and which tool to use, may not be that obvious. In order to assist you with the ‘declarative vs imperative’ decision-making process, this blog briefly introduces existing DevOps paradigms, presents the main differences between them and outlines the key benefits of using declarative DevOps with charms.

DevOps paradigms (Declarative vs Imperative)

An automation framework can be designed and implemented in two different ways: declarative vs imperative. These are called DevOps paradigms. While using an imperative paradigm, the user is responsible for defining exact steps which are necessary to achieve the end goal, such as instructions for software installation, configuration, database creation, etc. Those steps are later executed in a fully automated way. The ultimate state of the environment is a result of particular operations defined by the user. While keeping full control over the automation framework, users have to carefully plan every step and the sequence in which they are executed. Although suitable for small deployments, imperative DevOps does not scale and fails while deploying big software environments, such as OpenStack.

In turn, a declarative paradigm takes a different approach. Instead of defining exact steps to be executed, the ultimate state is defined. The user declares how many machines will be deployed, will workloads be virtualised or containerised, which applications will be deployed, how will they be configured, etc. However, the user does not define the steps to achieve it. Instead, a ‘magic’ code is executed which takes care of all necessary operations to achieve the desired end state. By choosing a declarative paradigm, users not only save a lot of time usually spent on defining the exact steps but also benefit from the abstraction layer being introduced. Instead of focusing on the ‘how’, they can focus on the ‘what’.

Implementing declarative DevOps with charms

All right, all of that sounds great, but where is the ‘magic’ coming from? Imagine pieces of code which contain all necessary instructions to deploy and configure applications. This includes a collection of scripts and metadata, such as configuration file templates. Such pieces of software, called charms, provide the ‘magic’ described. The users no longer have to think about low-level instructions. This logic is already implemented in the charms. Instead they can focus on shaping the applications being deployed and modelling the entire deployment by relating one application with others. For example, should the database being deployed listen on a different port than the default one?. Or how many concurrent connections should it allow? All the user has to do is to declare the ultimate state.

Let’s take a look at another example. Assume you are deploying Kubernetes for container orchestration purposes and you want to create a simple deployment with one master node and one worker node. The desired end state declared in a YAML file format, called bundle, would look as follows:
```
machines:
  '0':
    constraints: cores=2 mem=4G root-disk=16G
    series: bionic
  '1':
    constraints: cores=4 mem=4G root-disk=16G
    series: bionic
services:
  containerd:
    charm: cs:~containers/containerd-2
  easyrsa:
    charm: cs:~containers/easyrsa-254
    num_units: 1
    to:
    - lxd:0
  etcd:
    charm: cs:~containers/etcd-434
    num_units: 1
    options:
      channel: 3.2/stable
    to:
    - '0'
  flannel:
    charm: cs:~containers/flannel-425
  kubernetes-master:
    charm: cs:~containers/kubernetes-master-700
    expose: true
    num_units: 1
    options:
      channel: 1.15/stable
    to:
    - '0'
  kubernetes-worker:
    charm: cs:~containers/kubernetes-worker-552
    expose: true
    num_units: 1
    options:
      channel: 1.15/stable
    to:
    - '1'
relations:
- - kubernetes-master:kube-api-endpoint
  - kubernetes-worker:kube-api-endpoint
- - kubernetes-master:kube-control
  - kubernetes-worker:kube-control
- - kubernetes-master:certificates
  - easyrsa:client
- - kubernetes-master:etcd
  - etcd:db
- - kubernetes-worker:certificates
  - easyrsa:client
- - etcd:certificates
  - easyrsa:client
- - flannel:etcd
  - etcd:db
- - flannel:cni
  - kubernetes-master:cni
- - flannel:cni
  - kubernetes-worker:cni
- - containerd:containerd
  - kubernetes-worker:container-runtime
- - containerd:containerd
  - kubernetes-master:container-runtime
```
It starts with a declaration of two machines which will be used for the deployment purpose. Minimum hardware constraints and OS series are defined. Later, a bunch of applications are declared. Apart from the kubernetes-master and kubernetes-worker, there are also some underpinning applications like easyrsa or etcd. Those have the charm version, number of units, configuration options and placement directives defined. Finally, a set of relations is declared which allows the applications to cooperate together.

That’s it! The deployment has just been declared. All you have to do is to deploy the bundle in your preferred cloud environment. During the deployment, machines will get allocated, charms will be placed on them and the charm code will be executed. All of these operations are managed by the controller called Juju. Once the deployment is complete, your Kubernetes cluster is ready to be used. And it is configured exactly how you defined it. This is how declarative DevOps works.

For more information on charms and Juju, please visit https://jaas.ai/.

https://admin.insights.ubuntu.com/2019/08/06/declarative-vs-imperative-devops-done-right/
Declarative vs Imperative: DevOps done right
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Deciding whether to automate workloads, while designing your ICT infrastructure, is trivial. It’s 2019 and automation is everywhere around. However, deciding which DevOps paradigm to choose and which tool to use, may not be that obvious. In order to assist you with the ‘declarative vs imperative’ decision-making process, this blog briefly introduces existing DevOps paradigms, […]

The post Declarative vs Imperative: DevOps done right appeared first on Ubuntu Blog.

https://admin.insights.ubuntu.com/2019/08/06/declarative-vs-imperative-devops-done-right/
Charmed Kubernetes update for upstream API server vulnerability
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An upstream Kubernetes vulnerability (CVE-2019-11247) has been identified where the API server mistakenly allows access to a cluster-scoped custom resource, if the request is made as if the resource were namespaced. Authorisations for the resource accessed in this manner are enforced using roles and role bindings within the namespace. This means that a user with access only to a resource in one namespace could create, view updates or delete the cluster-scoped resource (according to their namespace role privileges).

Charmed Kubernetes has already been patched to mitigate against this vulnerability. Patched builds of the 1.13.8, 1.14.4 and 1.15.1 kube-apiserver snap have also been published.

The vulnerability, of medium severity, has also been patched in the following upstream version of Kubernetes – 1.13.9, 1.14.5 and 1.15.2. Users are encouraged to update to one of these versions now.

To mitigate against the vulnerability in an unpatched version, users should remove authorisation rules that grant access to cluster-scoped resources within namespaces. For example, RBAC roles and clusterroles intended to be referenced by rolebindings should not grant access to `resources:[*], apiGroups:[*]`, or grant access to cluster-scoped custom resources.

https://admin.insights.ubuntu.com/2019/08/05/charmed-kubernetes-update-for-upstream-api-server-vulnerability/
Charmed Kubernetes update for upstream API server vulnerability
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An upstream Kubernetes vulnerability (CVE-2019-11247) has been identified where the API server mistakenly allows access to a cluster-scoped custom resource, if the request is made as if the resource were namespaced. Authorisations for the resource accessed in this manner are enforced using roles and role bindings within the namespace. This means that a user with […]

The post Charmed Kubernetes update for upstream API server vulnerability appeared first on Ubuntu Blog.

https://admin.insights.ubuntu.com/2019/08/05/charmed-kubernetes-update-for-upstream-api-server-vulnerability/
Issue #2019.08.05 – Kubeflow 0.6 Release
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Kubeflow v0.6: support for artifact tracking, data versioning & multi-user – version 0.6 includes several enterprise features to support multiple users and better model training pipelines. For multiple users, Kubeflow v0.6 provides a flexible architecture for user isolation and single sign-on. For data, enhancements have been added to Kubeflow Pipelines and jupyter. In total, over […]

The post Issue #2019.08.05 – Kubeflow 0.6 Release appeared first on Ubuntu Blog.

https://admin.insights.ubuntu.com/2019/08/05/issue-2019-08-05-kubeflow-0-6-release/
如何在Ubuntu下安装使用MicroK8s
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MicroK8s是Canonical专为 Kubernetes 开发者打造，且可在桌面电脑和工作站上运行的单节点Kubernetes，现在可以在42个Linux衍生版上安装和使用。 MicroK8s拥有和Kubernetes 一样的环境和命令，主要特点有：一键 Istio, Knative, Fluentd, Linkerd 一键 Jaeger, Prometheus, 和更多 Clustering Local storage Local registry GPGPU bindings Dashboard Metrics Automatic Updates Ingress DNS Conformant 在Ubuntu上安装MicroK8s MicroK8s通过snap应用发行，snap是最新、最为流行的Linux应用格式包，拥有开发、测试、维护、易分发、安全性高、用户体验好等特点。仅需要一个命令即可安装，命令如下： sudo snap install microk8s --classic 非Ubuntu用户可先检查当前发行版是否支持snapd，如支持可先安装snapd，再通过snap store安装MicroK8s。下面介绍一些基本命令：可使用下面检查当前版本号： snap info microk8s 启用或停用MicroK8s服务 sudo microk8s.start sudo microk8s.stop 启用一些基础服务 microk8s.enable dashboard registry istio […] 在这里可以使用microk8s.enable和microk8s.disable命令来禁用或启用标准组件服务。如需要了解更多，可使用--help命令查看。在beta或daily build不同版本间切换 […]

The post 如何在Ubuntu下安装使用MicroK8s appeared first on Ubuntu Blog.

https://admin.insights.ubuntu.com/2019/08/02/how-to-install-microk8s-on-ubuntu/
Design and Web team summary – 2 August 2019
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This iteration was fairly light iteration for the Web & design team at Canonical as we had a fair few people on holidays as well as a group who has gone to Toronto for our mid-cycle roadmap sprint. Here are some of the highlights of our completed work.

Web squad

Web is the squad that develop and maintain most of the brochure websites across the Canonical.

BT announcement strip

Announcing our partnership with BT, it went up and down already, but you can read all about it in our blog.

Added social headers to all engage pages

So now when you share one of our whitepapers, webinars or case studies, it looks nice on social media.

See all our resources >

buy.ubuntu.com

We plan to make buy.ubuntu.com look much nicer. This iteration, we completed a technical investigation of what we can and can not do to make it look and feel nicer.

See what buy.ubuntu.com looks like today >

IoT overview updates

Updated the design, copy and added new illustrations to the page.

New Suru strips for ubuntu.com

We have built several new css strips that use our new Suru theme. We will be rolling this out further soon.

Updated design on our download pages

A general clean-up of the look and added an accordion for the verify instructions.

Japanese website updates
- added metadata for social media to key pages
- added an rss feed for the blog at jp.ubuntu.com/blog/feed
China website updates
- added metadata for social media to key pages
- added an rss feed for the blog at cn.ubuntu.com/blog/feed
Vanilla squad

Ubuntu SSO refresh

The project’s default template and form styling have been built and we continue to add content to the remaining pages, so we’re making good headway. Visuals will be available to share soon for an exclusive sneak peek.

New label component

A new component to the framework, released with v2.2.0. When we add, make significant updates, or deprecate a component we update their status so that it’s clear what’s available to use.

Released v2.2.0

We’ve just pushed out a minor release Vanilla v2.2.0. New feature adding variables $color-social-icon-background and $color-social-icon-foreground to allow custom social icon colours, as well as a new status label component.

Read our full release notes >

Research colour theming best practices

Shortlisting example frameworks to research the topic to see how they apply theming. Next steps are to compare approaches and select the best approach to use in Vanilla.

Base

Added rss feeds to our blog module

These will go live on jp.ubuntu.com/blog/feed, cn.ubuntu.com/blog/feed and ubuntu.com/blog/feed soon. If you are an rss user, you should move to these as they exclude and include the right articles for your locale now.

certification.ubuntu.com

We are re-architecturing the site to be a small flask app that but based on APIs from the certification team. The goal is to move it into ubuntu.com. For now, the MVP is progressing well and should be ready soon.

MAAS

Move to react

This work continues at a pace, but will still take a few more iterations.

Upgrading MAAS to Vanilla 2.0

It is a fairly large conversion, but it is nearly complete.

Network settings

Looking at in-table view of your network settings and how that might work.

JAAS

Most of the work this iteration has been looking at the UX of many sections of the new site, fixing small bugs and upgrading the whole site to the latest version of Vanilla Framework.

Case study blog pages

Using the team blog module to share resources on the jaas.ai site.

Adding more support for k8s charms

Kubernetes charms do not currently work on JAAS, but you can use them in Juju. These updates help juju users find and use k8s charms.

Snaps

A new url for docs

This iteration we’ve moved the snapcraft docs from docs.snapcraft.io to snapcraft.io/docs. With it comes some slight styling updates. Old bookmarks and links should redirect, but as always if you notice a problem let us know.

Updating CSS to Vanilla 2.0

With the release of Vanilla 2.0 (more specifically Vanilla 2.2.0) it was time to update. Snapcraft is currently on version 1.8 meaning the update brings a ton of welcome bug fixes to existing patterns as well as some new patterns. Because of the large jump of version we’ve got a lot of work in store for us to make sure everything works as well as, if not better, than before. The initial migration has been completed, but we’ll be targeting specific pages in the coming iteration.

As mentioned earlier in this post, you can see the Vanilla release notes for more information.

https://admin.insights.ubuntu.com/2019/08/02/design-and-web-team-summary-2-august-2019/
Design and Web team summary – 2 August 2019
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This iteration was fairly light iteration for the Web & design team at Canonical as we had a fair few people on holidays as well as a group who has gone to Toronto for our mid-cycle roadmap sprint. Here are some of the highlights of our completed work. Web squad Web is the squad that […]

The post Design and Web team summary – 2 August 2019 appeared first on Ubuntu Blog.

https://admin.insights.ubuntu.com/2019/08/02/design-and-web-team-summary-2-august-2019/
A shift to the Linux app store experience
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Linux software developers historically have faced a number of challenges including fragmentation, distribution complexity and a lack of metrics into the success of their applications. Once an application is built, the journey does not end there – for companies and individual developers creating apps, thought needs to be given to promoting their software for maximum visibility, usage and customer experience.

Applications within the ‘Featured’ section of Linux app stores can see up to 40% install growth within two weeks of being featured.

Self-contained application formats like AppImage, Flatpak and snaps and the shift to an application store model offer a viable, data-driven alternative to the classic methods. This new approach can help overcome some of the historical challenges while improving visibility to enterprises and end users.

This whitepaper will take a closer look at how software developers targeting the desktop market, in particular, can benefit from moving their applications to a Linux app store including:
- An evaluation of the packaging formats, distributions and considerations that software developers should review.
- The adoption of application stores: how software developers can maximise their presence and apply lessons from other industries.
- A series of case studies highlighting successful apps that have an optimised store presence including Spotify, Visual Studio Code and Skype.
To view the whitepaper, fill out the following form:

MktoForms2.loadForm("//app-sjg.marketo.com", "066-EOV-335", 3411);

https://admin.insights.ubuntu.com/2019/07/30/a-shift-to-the-linux-app-store-experience/
Digital signage platform Xibo launches as a snap
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The open source digital signage platform, Xibo, is now available as a snap – the universal Linux app packaging format. Xibo provides a comprehensive suite of digital signage products, with its Content Management System (CMS) at the heart of this experience-led offering. Xibo for Linux is completely free and natively built for the Xibo CMS, […]

The post Digital signage platform Xibo launches as a snap appeared first on Ubuntu Blog.

https://admin.insights.ubuntu.com/2019/07/31/digital-signage-platform-xibo-launches-as-a-snap/
Canonical正式加入百度Apollo生态成为合作伙伴
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北京时间2019年7月31日，Canonical正式加入百度Apollo生态合作伙伴，成为Apollo合作伙伴成员。双方将利用各自优势资源，为广大自动驾驶开发者提供帮助，解决在开发自动驾驶技术时面临的技术难题。在不久的将来，开发者将拥有一个简易安装，开发体验友好的环境，从而加快开发进度，减少开发环境配置时间。 Apollo是一个开放的、完整的、安全的平台，将帮助开发者和汽车行业及自动驾驶领域的合作伙伴结合车辆和硬件系统，快速搭建一套属于自己的自动驾驶系统。Apollo将提供一套完整的软硬件和服务系统，包括车辆平台、硬件平台、软件平台、云端数据服务等部分。 Ubuntu是最为流行Linux、开发友好的发行版，是开发者首选的开发平台。Ubuntu拥有完整的开发工具链，广泛的全球开发者社区。同时，Ubuntu也是一个可将PC和物联网设备连接到服务器和云的平台。现今自动驾驶相关话题、技术越来越火热，双方合作将有益于开源软件在自动驾驶领域的运用，让广大开发者学习、使用、开发自动驾驶技术，壮大自动驾驶开发者社区，促进智能驾驶产业链发展。

The post Canonical正式加入百度Apollo生态成为合作伙伴 appeared first on Ubuntu Blog.

https://admin.insights.ubuntu.com/2019/07/31/apollo-ubuntu-partnership/
Digital signage platform Xibo launches as a snap
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The open source digital signage platform, Xibo, is now available as a snap – the universal Linux app packaging format.

Xibo provides a comprehensive suite of digital signage products, with its Content Management System (CMS) at the heart of this experience-led offering. Xibo for Linux is completely free and natively built for the Xibo CMS, which can be installed on servers or combined with Xibo cloud hosting.

Snaps are containerised software packages designed to work across cloud, desktop, and IoT devices. They work natively on the most popular Linux distributions and feature automatic update and rollback functionality, enhanced security, and greater flexibility for developers.

Utilising snaps allows Xibo to offer a simple, dependency-free installation, as well as the potential for feature enhancements in future offerings, and it works across many Linux distributions. It can be accessed worldwide, and when combined with Xibo in the Cloud, customers can choose whether to host in the UK, Germany, Singapore, Australia or the USA to ensure their content is kept close to them.

“Xibo is fully committed in its mission to enable digital signage for everyone, and we’ve continuously developed our open source offering alongside the Xibo customer community,” said Chris Hopkins, Director at Xibo. “We are very proud to launch this snap following demand for Linux, adding yet another option for our customers to bring to life their digital signage.”

“It’s always fantastic recognition to see brands embracing Linux through snaps,” commented Martin Wimpress, Engineering Manager, Canonical. “Xibo is a leading name in the digital signage arena, and it’s the latest example of leading software brands across the globe expanding their reach to Linux.”

The snap for Xibo is available to download here.

https://admin.insights.ubuntu.com/2019/07/31/digital-signage-platform-xibo-launches-as-a-snap/
Amazon EC2 On-Demand Hibernation for Ubuntu 18.04 LTS now available
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AWS and Canonical today announce the public release of Amazon EC2 Hibernation support for Ubuntu 18.04 LTS. Amazon EC2 Hibernation gives you the ability to launch Amazon EC2 instances, set them up as desired, hibernate them, and then quickly bring them back to life when you need them. Applications pick up exactly where they left […]

The post Amazon EC2 On-Demand Hibernation for Ubuntu 18.04 LTS now available appeared first on Ubuntu Blog.

https://admin.insights.ubuntu.com/2019/07/30/amazon-ec2-on-demand-hibernation-for-ubuntu-18-04-lts-now-available/

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Creating a ROS 2 CLI command and verb • giantpanda

Creating a ROS 2 CLI command and verb • giantpanda

Enhancing our ZFS support on Ubuntu 19.10 – an introduction • giantpanda

Enhancing our ZFS support on Ubuntu 19.10 &#8211; an introduction • giantpanda

Ubuntu Server development summary &#8211; 06 August 2019 • giantpanda

Hello Ubuntu Server

Spotlight: Welcome Lucas Kanashiro

cloud-init

curtin

Contact the Ubuntu Server team

Bug Work and Triage

Ubuntu Server Packages

Proposed Uploads to the Supported Releases

Uploads Released to the Supported Releases

Uploads to the Development Release

Ubuntu Server development summary – 06 August 2019 • giantpanda

Ubuntu Server development summary &#8211; 06 August 2019 • giantpanda

Declarative vs Imperative: DevOps done right • giantpanda

DevOps paradigms (Declarative vs Imperative)

Implementing declarative DevOps with charms

Declarative vs Imperative: DevOps done right • giantpanda

Charmed Kubernetes update for upstream API server vulnerability • giantpanda

Charmed Kubernetes update for upstream API server vulnerability • giantpanda

Issue #2019.08.05 – Kubeflow 0.6 Release • giantpanda

如何在Ubuntu下安装使用MicroK8s • giantpanda

Design and Web team summary &#8211; 2 August 2019 • giantpanda

Web squad

BT announcement strip

Added social headers to all engage pages

buy.ubuntu.com

IoT overview updates

New Suru strips for ubuntu.com

Updated design on our download pages

Japanese website updates

China website updates

Vanilla squad

Ubuntu SSO refresh

New label component

Released v2.2.0

Research colour theming best practices

Base

Added rss feeds to our blog module

certification.ubuntu.com

MAAS

Move to react

Upgrading MAAS to Vanilla 2.0

Network settings

JAAS

Case study blog pages

Adding more support for k8s charms

Snaps

A new url for docs

Updating CSS to Vanilla 2.0

Design and Web team summary – 2 August 2019 • giantpanda

A shift to the Linux app store experience • giantpanda

Digital signage platform Xibo launches as a snap • giantpanda

Canonical正式加入百度Apollo生态成为合作伙伴 • giantpanda

Digital signage platform Xibo launches as a snap • giantpanda

Amazon EC2 On-Demand Hibernation for Ubuntu 18.04 LTS now available • giantpanda

Creating a ROS 2 CLI command and verb
• giantpanda

Creating a ROS 2 CLI command and verb
• giantpanda

Enhancing our ZFS support on Ubuntu 19.10 – an introduction
• giantpanda

Enhancing our ZFS support on Ubuntu 19.10 – an introduction
• giantpanda

Ubuntu Server development summary – 06 August 2019
• giantpanda

Ubuntu Server development summary – 06 August 2019
• giantpanda

Ubuntu Server development summary – 06 August 2019
• giantpanda

Declarative vs Imperative: DevOps done right
• giantpanda

Declarative vs Imperative: DevOps done right
• giantpanda

Charmed Kubernetes update for upstream API server vulnerability
• giantpanda

Charmed Kubernetes update for upstream API server vulnerability
• giantpanda

Issue #2019.08.05 – Kubeflow 0.6 Release
• giantpanda

如何在Ubuntu下安装使用MicroK8s
• giantpanda

Design and Web team summary – 2 August 2019
• giantpanda

Design and Web team summary – 2 August 2019
• giantpanda

A shift to the Linux app store experience
• giantpanda

Digital signage platform Xibo launches as a snap
• giantpanda

Canonical正式加入百度Apollo生态成为合作伙伴
• giantpanda

Digital signage platform Xibo launches as a snap
• giantpanda

Amazon EC2 On-Demand Hibernation for Ubuntu 18.04 LTS now available
• giantpanda