Ubuntu News

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  Design and Web team summary – 16 August 2019
  • giantpanda  

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  This iteration was the Web & design team’s first iteration of the second half of our roadmap cycle, after returning from the mid-cycle roadmap sprint in Toronto 2 weeks ago. Priorities have moved around a bit since before the cycle, and we made a good start on the new priorities for the next 3 months.  […]

  The post Design and Web team summary – 16 August 2019 appeared first on Ubuntu Blog.

  
  
  https://admin.insights.ubuntu.com/2019/08/19/design-and-web-team-summary-16-august-2019/
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  Design and Web team summary – 16 August 2019
  • giantpanda  

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  This iteration was the Web & design team’s first iteration of the second half of our roadmap cycle, after returning from the mid-cycle roadmap sprint in Toronto 2 weeks ago. Priorities have moved around a bit since before the cycle, and we made a good start on the new priorities for the next 3 months.  […]

  
  
  http://ubuntu.com/blog/design-and-web-team-summary-16-august-2019
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  Issue #2019.08.19 – Kubeflow at CERN
  • giantpanda  

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  Replicating Particle Collisions at CERN with Kubeflow – this post is interesting for a number of reasons. First, it shows how Kubeflow delivers on the promise of portability and why that matters to CERN. Second, it reiterates that using Kubeflow adds negligible performance overhead as compared to other methods for training. Finally, the post shows […]

  The post Issue #2019.08.19 – Kubeflow at CERN appeared first on Ubuntu Blog.

  
  
  https://admin.insights.ubuntu.com/2019/08/19/issue-2019-08-19-kubeflow-at-cern/
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  Linting ROS 2 Packages with mypy
  • giantpanda  

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  One of the most common complaints from developers moving into large Python codebases is the difficulty in figuring out type information, and the ease by which type mismatch errors can appear at runtime. Python 3.5 added support for a type annotation system, described in PEP 484. Python 3.6+ expands this with individual variable annotations (PEP […]

  The post Linting ROS 2 Packages with mypy appeared first on Ubuntu Blog.

  
  
  https://admin.insights.ubuntu.com/2019/08/15/linting-ros-2-packages-with-mypy/
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  Linting ROS 2 Packages with mypy
  • giantpanda  

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  One of the most common complaints from developers moving into large Python codebases is the difficulty in figuring out type information, and the ease by which type mismatch errors can appear at runtime. Python 3.5 added support for a type annotation system, described in PEP 484. Python 3.6+ expands this with individual variable annotations (PEP […]

  
  
  http://ubuntu.com/blog/linting-ros-2-packages-with-mypy
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  8 Ways Snaps are Different
  • giantpanda  

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  Depending on the audience, the discussion of software packaging elicits very different responses. Users generally don’t care how software is packaged, so long as it works. Developers typically want software packaging as a task to not burden them and just magically happen. Snaps aren’t magic, but aim to achieve both ease of maintenance and transparency […]

  The post 8 Ways Snaps are Different appeared first on Ubuntu Blog.

  
  
  https://admin.insights.ubuntu.com/2019/08/15/8-ways-snaps-are-different/
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  8 Ways Snaps are Different
  • giantpanda  

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  Depending on the audience, the discussion of software packaging elicits very different responses. Users generally don’t care how software is packaged, so long as it works. Developers typically want software packaging as a task to not burden them and just magically happen. Snaps aren’t magic, but aim to achieve both ease of maintenance and transparency […]

  
  
  http://ubuntu.com/blog/8-ways-snaps-are-different
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  Why multi-cloud has become a must-have for enterprises: six experts weigh in
  • giantpanda  

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  Remember the one-size-fits-all approach to cloud computing? That was five years ago. Today, multi-cloud architectures that use two, three, or more providers, across a mix of public and private platforms, are quickly becoming the preferred strategy at most companies. Despite the momentum, pockets of hesitation remain. Some sceptics are under the impression that deploying cloud […]

  The post Why multi-cloud has become a must-have for enterprises: six experts weigh in appeared first on Ubuntu Blog.

  
  
  https://admin.insights.ubuntu.com/2019/08/15/why-multi-cloud-has-become-a-must-have-for-enterprises-six-experts-weigh-in/
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  Why multi-cloud has become a must-have for enterprises: six experts weigh in
  • giantpanda  

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  Remember the one-size-fits-all approach to cloud computing? That was five years ago. Today, multi-cloud architectures that use two, three, or more providers, across a mix of public and private platforms, are quickly becoming the preferred strategy at most companies. Despite the momentum, pockets of hesitation remain. Some sceptics are under the impression that deploying cloud […]

  
  
  http://ubuntu.com/blog/why-multi-cloud-has-become-a-must-have-for-enterprises-six-experts-weigh-in
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  OpenStack Charms 19.07 – Percona Cluster Cold Start, DVR SNAT and more
  • giantpanda  

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  Canonical is proud to announce the availability of OpenStack Charms 19.07. This new release introduces a range of exciting features and several improvements which enhance Charmed OpenStack across various areas. Let’s talk about a few notable ones. Percona cluster cold start The percona-cluster charm now contains a new logic and actions to assist with operational […]

  The post OpenStack Charms 19.07 – Percona Cluster Cold Start, DVR SNAT and more appeared first on Ubuntu Blog.

  
  
  https://admin.insights.ubuntu.com/2019/08/14/openstack-charms-19-07-percona-cluster-cold-start-dvr-snat-and-more/
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  OpenStack Charms 19.07 – Percona Cluster Cold Start, DVR SNAT and more
  • giantpanda  

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  Canonical is proud to announce the availability of OpenStack Charms 19.07. This new release introduces a range of exciting features and several improvements which enhance Charmed OpenStack across various areas. Let’s talk about a few notable ones. Percona cluster cold start The percona-cluster charm now contains a new logic and actions to assist with operational […]

  
  
  http://ubuntu.com/blog/openstack-charms-19-07-percona-cluster-cold-start-dvr-snat-and-more
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  Provisioning ESXi with MAAS: An overview
  • giantpanda  

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  MAAS has supported provisioning ESXi starting from MAAS 2.5. However, MAAS 2.6 has expanded its support and provides new features that significantly improves the provisioning experience. What is supported? The support MAAS provides for provisioning an operating system varies depending on the operating system in use. Even though MAAS tries to support all its features […]

  The post Provisioning ESXi with MAAS: An overview appeared first on Ubuntu Blog.

  
  
  https://admin.insights.ubuntu.com/2019/08/12/provisioning-esxi-with-maas/
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  Provisioning ESXi with MAAS: An overview
  • giantpanda  

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  MAAS has supported provisioning ESXi starting from MAAS 2.5. However, MAAS 2.6 has expanded its support and provides new features that significantly improves the provisioning experience. What is supported? The support MAAS provides for provisioning an operating system varies depending on the operating system in use. Even though MAAS tries to support all its features […]

  
  
  http://ubuntu.com/blog/provisioning-esxi-with-maas
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  Julia and Jeff discover the ease of snaps at the Snapcraft Summit
  • giantpanda  

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  Julia is an open source, high-level, general-purpose, dynamic programming language designed for numerical analysis and computational science, launched in 2012. It solves the “two language” problem: developers can use Julia for both computational and interactive work, instead of needing to work with two different languages which can often slow down development times. Use cases include […]

  The post Julia and Jeff discover the ease of snaps at the Snapcraft Summit appeared first on Ubuntu Blog.

  
  
  https://admin.insights.ubuntu.com/2019/08/12/julia-and-jeff-discover-the-ease-of-snaps-at-the-snapcraft-summit/
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  Julia and Jeff discover the ease of snaps at the Snapcraft Summit
  • giantpanda  

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  Julia is an open source, high-level, general-purpose, dynamic programming language designed for numerical analysis and computational science, launched in 2012. It solves the “two language” problem: developers can use Julia for both computational and interactive work, instead of needing to work with two different languages which can often slow down development times. Use cases include […]

  
  
  http://ubuntu.com/blog/julia-and-jeff-discover-the-ease-of-snaps-at-the-snapcraft-summit
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  Issue #2019.08.12 – The Kubeflow Machine Learning Toolkit
  • giantpanda  

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  Kubeflow — a machine learning toolkit for Kubernetes – An introduction to Kubeflow from the perspective of a data scientist. This article quickly runs through some key components – Notebooks, Model Training, Fairing, Hyperparameter Tuning (Katib), Pipelines, Experiments, and Model Serving. If you are looking for a quick overview, give this article a go. Here’s […]

  The post Issue #2019.08.12 – The Kubeflow Machine Learning Toolkit appeared first on Ubuntu Blog.

  
  
  https://admin.insights.ubuntu.com/2019/08/12/issue-2019-08-12-the-kubeflow-machine-learning-toolkit/
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  Enhanced Livepatch desktop integration available with Ubuntu 18.04.3 LTS
  • giantpanda  

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  Ubuntu 18.04.3 LTS has just been released. For the Desktop, newer stable versions of GNOME components have been included, as well as a new feature – Livepatch desktop integration. As usual with LTS point releases, the main changes are a refreshed hardware enablement stack (newer versions of the kernel, xorg & drivers) and a number […]

  The post Enhanced Livepatch desktop integration available with Ubuntu 18.04.3 LTS appeared first on Ubuntu Blog.

  
  
  https://admin.insights.ubuntu.com/2019/08/09/enhanced-livepatch-desktop-integration-available-with-ubuntu-18-04-3-lts/
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  Enhanced Livepatch desktop integration available with Ubuntu 18.04.3 LTS
  • giantpanda  

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  Ubuntu 18.04.3 LTS has just been released. For the Desktop, newer stable versions of GNOME components have been included, as well as a new feature – Livepatch desktop integration. As usual with LTS point releases, the main changes are a refreshed hardware enablement stack (newer versions of the kernel, xorg & drivers) and a number […]

  
  
  http://ubuntu.com/blog/enhanced-livepatch-desktop-integration-available-with-ubuntu-18-04-3-lts
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  Ubuntu 18.04.3 LTS桌面整合Livepatch服务
  • giantpanda  

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  Ubuntu 18.04.3已经发布。桌面系统已加入新的稳定版Gnome组件，并且整合了Canonical Livepatch服务，这意味着你将更方便地使用Livepatch服务。 作为带点（.）的LTS版本，主要变化是硬件适配堆的更新（新版的kernel，xorg和驱动）和一系列bug和安全漏洞修复。 如你还未用过Livepatch，那么现在就是一个不错的机会。Livepatch是一个给内核打高危补丁后无须重启的服务。这个服务已作为Ubuntu Advantage订阅的一部分提供，但每个Ubuntu用户可最多在3台电脑上免费使用。补丁都是自动下载和修复的，简单的操作为你节约系统重启的时间，并使得Ubuntu LTS系统更安全、稳定。Livepatch可在服务器、桌面版上使用。 在Ubuntu上开启Livepatch服务 1.打开应用视图，搜索Livepatch，如下图。 2.点击右侧的登陆按钮（如你还未开启），到此步骤后会需要你有一个Ubuntu One的账号，已有账号可直接在下图中输入相关信息，如没有可简单注册即可。 3.完成以上操作后即可开启Livepath服务，Livepatch开启后步骤一图片将会变成开启状态，同时顶部右上角将会出现图标指示器，点击可了解当下状态。 4.在终端使用Livepatch，在终端输入canonical-livepatch命令，即可查看livepatch的使用。可使用status，enable，disable，refresh，config，help参数。如下图： 以上2种方式可以查看Livepatch状态，任君选择。 现在如有新的内核补丁，你的系统就可以打补丁不需要重启系统。

  The post Ubuntu 18.04.3 LTS桌面整合Livepatch服务 appeared first on Ubuntu Blog.

  
  
  https://admin.insights.ubuntu.com/2019/08/09/ubuntu-18-04-3-lts-livepatch/
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  Slow snap? Trace-exec to the rescue!
  • giantpanda  

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  Slow applications are never fun. But not knowing why an application is not behaving correctly can be even more frustrating. A well-designed system that can diagnose performance or startup issues and inform the user about the problem goes a long way toward mitigating the frustration, and may even help resolve the root cause altogether. Back […]

  The post Slow snap? Trace-exec to the rescue! appeared first on Ubuntu Blog.

  
  
  https://admin.insights.ubuntu.com/2019/08/08/slow-snap-trace-exec-to-the-rescue/