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Mir Has Partial Support For The NVIDIA Proprietary Driver, X11 Support Remains WIP

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Ubuntu

Canonical's team responsible for continuing to advance the Mir display server has been making good progress this summer on fleshing out some missing functionality.

This week partial support for the NVIDIA proprietary driver was merged. In particular, the EGLStreams platform support. This is the initial bits for getting the NVIDIA proprietary driver to play along with Mir, but isn't yet the full implementation required to get OpenGL clients working on Mir with the NVIDIA driver. That work is still being pursued and is a work-in-progress. Mir's path for NVIDIA support is similar to that of the Wayland compositors with needing to implement EGLStreams and there not yet being any new Unix device memory allocation API that NVIDIA has been pushing for years to create the best of both worlds -- in terms of EGLStreams and GBM APIs for all driver vendors to agree upon.

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Direct: Mir News: 17th August 2018

Lubuntu Plans Explained

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GNU
Linux
Ubuntu
  • Lubuntu Planning Switch To Wayland, Porting Openbox To Mir

    Ubuntu derivative Lubuntu that is now using the LXQt desktop environment has laid out more of their plans to switch over to Wayland rather than the existing X.Org based session.

    In order to achieve their Wayland support with the LXQt desktop, they intend to port the Openbox window manager to using the Mir display server and also leveraging QtLayerShell. Mir, of course, has been focused on Wayland compatibility the past year and is becoming quite solid as of late with its core Wayland protocol support.

  • Lubuntu Development Newsletter #9

    We’ve been polishing the desktop more, but work has been blocked by the still ongoing Qt transition.

    The 16.04 to 18.04 upgrade has now been enabled! Please do let us know if there’s any issues. Here’s a video we made when 17.04 went End of Life; the instructions are still current.

    Our main developer, Simon Quigley, became an Ubuntu Core Developer this past Monday! He now has access to the entire Ubuntu archive.

Major Zorin OS Linux Release Is Coming This Fall Based on Ubuntu 18.04.1 LTS

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OS
Ubuntu

Shipping with the updated HWE (Hardware Enablement) stack from the recently announced Ubuntu 16.04.5 LTS point release, which is powered by the Linux 4.15 kernel from Ubuntu 18.04 LTS (Bionic Beaver), as well as an updated X graphics stack, Zorin OS 12.4 brings all the latest software and security updates from the Ubuntu repositories, along with performance enhancements and bug fixes.

"Zorin OS 12.4 introduces an updated hardware enablement stack. The newly-included Linux kernel 4.15, as well as an updated X server graphics stack," reads the release announcement. "In addition, new patches for system vulnerabilities are included in this release, so you can have the peace of mind knowing that you’re using the most secure version of Zorin OS ever."

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Ubuntu, Debian, RHEL, and CentOS Linux Now Patched Against "Foreshadow" Attacks

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Red Hat
Security
Debian
Ubuntu

Both Canonical and Red Hat emailed us with regards to the L1 Terminal Fault security vulnerability, which are documented as CVE-2018-3620 for operating systems and System Management Mode (SMM), CVE-2018-3646 for impacts to virtualization, as well as CVE-2018-3615 for Intel Software Guard Extensions (Intel SGX). They affect all Linux-based operating system and machines with Intel CPUs.

"It was discovered that memory present in the L1 data cache of an Intel CPU core may be exposed to a malicious process that is executing on the CPU core. This vulnerability is also known as L1 Terminal Fault (L1TF). A local attacker in a guest virtual machine could use this to expose sensitive information (memory from other guests or the host OS)," reads the Ubuntu security advisory.

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Get Fresh Wallpaper Everyday Using Variety in Ubuntu/Linux

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Ubuntu

Variety is a cool utility available for Linux systems which makes your dull desktop look great, every day. This free wallpaper changer utility replaces your wallpaper in your desktop in an interval. You can set it to change wallpaper in every 5 minutes also!

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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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