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Canonical/Ubuntu: Newsletter, Kubernetes and Design

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Ubuntu
  • Ubuntu Weekly Newsletter 540
  • Deploying Kubernetes on Public Clouds is hard – or is it?

    Recently, there’s been talk about how Kubernetes has become hard to deploy and run on virtual substrates such as those offered by the public clouds. Indeed, the cloud-specific quirks around infrastructure provisioning, including storage, networking assets such as load balancers, and overall access control (IAM) differs from cloud to cloud provider. It is safe to assume that it also differs between your on-prem IaaS implementation or virtualized infrastructure and the public cloud APIs.

    With all the public Container-as-a-Service (CaaS) offerings available to you, why would you deploy Kubernetes to a generic IaaS substrate anyway? There are many reasons for doing so.

  • Design and Web team summary – 13 August 2018

    Welcome to the latest work and updates from the design and web team.

    The team manages all web projects across Canonical. From www.ubuntu.com to the Juju GUI we help to bring beauty and consistency to all the web projects.

Brasero – Disk Burning App for Ubuntu, Linux Mint

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Ubuntu

Brasero is a very simple disk burning GNOME app available for all Linux distributions. However, for sometime it has been removed from the standard Ubuntu OS images. The main reason behind is the low usage of DVD, CD storage mediums in recent times. However, if you still wants to burn some disks, erase or re-write some disks, you can still install Brasero in Ubuntu and other Linux distributions.

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Graphics/Ubuntu: Wayland 1.16 and Weston 5.0 Release Candidates, XDG Shell Stable Supported by Mir

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Graphics/Benchmarks
Ubuntu
  • [ANNOUNCE] wayland-1.15.93

    The RC1 release candidate for wayland 1.16 is now available.

  • Wayland 1.16 & Weston 5.0 Release Candidates For Testing

    Derek Foreman of Samsung's Open-Source Group put out the release candidates on Friday for the upcoming Wayland 1.16 release as well as the Weston 5.0 reference compositor.

    The Wayland 1.16 release candidate hasn't seen any changes over the earlier development release besides updating the contributor documentation to reflect that Gitlab is now used for handling merge requests. The Wayland 1.16 cycle overall was quite light but earlier in the cycle it did see build system updates, dropping of the wl_buffer definition, and the protocol now allows a zero physical size output.

  • XDG Shell Stable Supported by Mir

    Support for the stable XDG Shell protocol has just landed in Mir, and it will ship with the next release. It will eventually replace XDG Shell unstable v6 as the primary way in which Wayland applications create traditional style windows. You can get it now in our development PPA: ppa:mir-team/dev.

  • Mir Now Supports XDG Shell Stable

    Canonical developers continue working on advancing the Mir display server's support for Wayland.

    The latest Wayland enhancement to Mir is on supporting the stable version of the XDG Shell protocol. XDG-Shell is the protocol for improved management of Wayland surfaces including for minimization of windows, dragging, resizing, and other desktop-aligned tasks. XDG Shell also defines protocol around transient windows like pop-up menus.

Which Ubuntu Flavor Should You Choose?

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Ubuntu

So, you just decided to switch to using a Linux distro and you’ve come to the decision that Ubuntu is the one for you. But while you were doing your research you came across tags like Ubuntu flavours and derivatives – “what are the differences?” you ask. Also, why are there so many versions and what is the alpha-beta-LTS business all about?

Today, I’ll give you the perfect weighing scale to help you choose which Ubuntu version to use as well as give you a fundamental understanding of why there are “so many” versions.

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Canonical Releases New Linux Kernel Live Patch for Ubuntu 18.04 LTS & 16.04 LTS

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Linux
Ubuntu

Available for Ubuntu 18.04 LTS (Bionic Beaver), Ubuntu 16.04 LTS (Xenial Xerus), and Ubuntu 14.04 LTS (Trusty Tahr), the new kernel live patch fixes a total of five security vulnerabilities, including the recently disclosed critical TCP flaw (CVE-2018-5390) discovered by Juha-Matti Tilli, which could allow a remote attacker to cause a denial of service.

The rebootless kernel security patch also addresses a vulnerability (CVE-2018-13405) in the inode_init_owner function in fs/inode.c in the Linux kernel through 4.17.4 that could allow a local user to escalate his/her privileges by creating a file with an unintended group ownership and then make the file executable and SGID (Set Group ID).

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Latest ClearFog SBC offers four GbE ports and a 10GbE SFP+ port

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Linux
Ubuntu

SolidRun’s “ClearFog GT 8K” networking SBC runs Ubuntu on a network virtualization enabled quad -A72 Armada A8040 SoC and offers up to 16GB DDR4, 4x GbE ports, a WAN port, a 10GbE SFP+ port, and 3x mini-PCIe slots.

SolidRun has updated its ClearFog line of Linux-driven router SBCs with a ClearFog GT 8K model designed for high-end edge computing, virtual customer premise equipment (vCPE), network functional virtualization (NFV), network security, and general networking duty. The SBC runs Linux Kernel 4.4x, Ubuntu 16.04, and Google IoT Core on Marvell’s quad-core, up to 2GHz Cortex-A72 Armada A8040 SoC. Models are available with 8GB eMMC ($209), 128GB eMMC ($304), 8GB eMMC with 16GB RAM ($526), and 128GB eMMC with 16GB RAM ($621).

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Educational Linux distribution Edubuntu has been (just about) discontinued

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Ubuntu

A few years ago the developers of Edubuntu that the Ubuntu-based operating system for teachers and students was going to skip the update to Ubuntu 16.04 and stay on Ubuntu 14.04 indefinitely. The two lead developers came to that decision after realizing that after a decade of working on the project, they didn’t have time to devote to keeping the operating system up to date.

As an open source project, the developers were hoping that someone else might be willing to step up and take over leadership of the project, but that hasn’t happened.

You can still download and use Edubuntu 14.04.5 today, but it’s based on a 4-year-old version of Ubuntu. And when Canonical pulls the plug on support for Ubuntu 14.04 in April, 2019 then the latest version of Edubuntu will also be unsupported.

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Reporting Metrics Back to Ubuntu

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Ubuntu

After some time on Kubuntu on this new laptop, I just re-discovered that I did not want to live in the Plasma world anymore. While I do value all the work the team behind it does, the user interface is just not for me as it feels rather busy to my liking.

In that aforementioned post I wrote about running the Ubuntu Report Tool on this system, it is not part of the Kubuntu install or first boot experience but you can install it by running apt install ubuntu-report followed by running ubuntu-report to actually create the report and if you want, send it too.

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Canonical's Snap/Ubuntu

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Ubuntu
  • Mir's EGMDE Desktop Is Now Available From The Snap Store

    While Mir has long been focused on its Snap support, now available via the Snap Store is offering EGMDE.

    EGMDE as a reminder is the Example Mir Desktop Environment. It's basically a proof-of-concept / example Mir desktop shell implementation primarily for experiments by the upstream Mir developers and those wanting to learn about the internals of Mir for developing their own shell or integration bits. You can think of EGMDE as akin to Wayland's Weston compositor.

  • Fresh Snaps from July 2018

    Another month, and another bumper crop of snaps for you! This time around we have a great mix of developer tools, productivity applications and of course games. All of these are available as snaps which can run on millions of Linux computers around the world.

    You can stay up to date with our editorial picks by following Snapcraft on Facebook where we share three new and interesting snaps a week. We’d also love to hear what your favourite snaps are, perhaps you’ve found something we’ve missed. Let us know!

Ubuntu 18.10 (Cosmic Cuttlefish) Is Now Powered by the Linux 4.17 Kernel

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Linux
Ubuntu

Launched on June 3, 2018, the Linux 4.17 kernel series introduces better power management and HDMI audio/sound support for AMD graphics cards in the open-source AMDGPU graphics driver, support for Intel's High-bandwidth Digital Content Protection (HDCP) digital copy protection, and support for Intel's Cannon Lake architecture.

Additionally, Linux kernel 4.17 adds support for the Andes NDS32 RISC-like architecture, but removes support for a bunch of microarchitectures, including CRIS, M32R, Blackfin, TILE, FR-V, MN10300, Metag, and SCORE. Support for the Nvidia Tegra Xavier processor is available as well in Linux kernel 4.17.

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