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Canonical Outs New Linux Kernel Security Update for All Supported Ubuntu OSes

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Security
Ubuntu

Canonical released today a new Linux kernel security update for all supported Ubuntu releases to address three vulnerabilities across all supported architectures.

The new Linux kernel security update addresses three vulnerabilities affecting the Ubuntu 19.04 (Disco Dingo), Ubuntu 18.04 LTS (Bionic Beaver), Ubuntu 16.04 LTS (Xenial Xerus), Ubuntu 14.04 ESM (Trusty Tahr), and Ubuntu 12.04 ESM (Precise Pangolin) operating systems.

The first security issue addressed in this update is a a buffer overflow (CVE-2019-14835) discovered by Peter Pi in Linux kernel's virtio network backend (vhost_net) implementation, which could allow an attacker in the guest system to either execute arbitrary code in the host OS or crash the host operating system by causing a denial of service.

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The 32-Bit Packages That Will Continue To Be Supported Through Ubuntu 20.04 LTS

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Ubuntu

Earlier this year Canonical announced they would be pulling 32-bit support from Ubuntu ahead of next year's 20.04 LTS. But following public backlash, they stepped back to provide 32-bit support for select packages. Today they announced the 199 32-bit packages that will continue to be supported through Ubuntu 20.04 LTS.

Based upon popularity when looking at i386 packages that are not x86_64 (AMD64) packaged as well as feedback from their customers/partners, they have come up with a list of the 32-bit packages they will continue to support. Their list is 52 packages but with dependencies comes out to about 199 packages in the i386 realm they will continue to support.

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Also: Ubuntu Devs Detail Plan for 32-bit Support in Ubuntu 19.10

Canonical/Ubuntu: Design and Web, Ubuntu Weekly Newsletter and Introduction to MicroK8s

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Ubuntu
  • Design and Web team summary – 17 September 2019

    This was a fairly busy two weeks for the Web & design team at Canonical. Here are some of the highlights of our completed work.

  • Ubuntu Weekly Newsletter Issue 596

    Welcome to the Ubuntu Weekly Newsletter, Issue 596 for the week of September 8 – 14, 2019. The full version of this issue is available here.

  • Introduction to MicroK8s – Part 1/2

    Every developer, systems admin and tech enthusiast is interested in learning Kubernetes. Kubernetes is a complex container orchestration tool that can be overwhelming for beginners. Kubernetes has been the buzzword in the tech industry and for good reason. If you’re itching to get started with Kubernetes and not looking forward to the complexities involved, this first blog of a series is for you. We’ll walk you through getting up and running in a jiffy with a Kubernetes deployment using MicroK8s. The following blogs will do a deeper dive into add-ons and usage.

Nostalgia is a GNOME Wallpaper App with a Twist

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GNOME
Ubuntu

Nostalgia a free GTK app for the Linux desktop that enables you to browse through official GNOME desktop wallpapers, and quickly set them as your desktop background.

Like Ubuntu, each new release of the GNOME desktop comes bearing its own unique wallpaper (which, again like Ubuntu, tend to stay within a loose theme).

While GNOME’s default wallpapers aren’t as well known or as revered as Ubuntu’s default wallpapers (by lieu of the fact they’re usually not used by default, i.e. so fewer people see them) they’re still high-quality pieces of art.

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14 Essential Ubuntu Keyboard Shortcuts

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Ubuntu

You probably already know a stack of keyboard shortcuts already because general actions like copy (ctrl + c), paste (ctrl + v), and undo are the same across all operating systems and throughout most (if not all) software.

So in this post we focus solely on a set of Ubuntu keyboard shortcuts you might not know about, as well as those that you might, but always forget to use!

Read all the way to the end for a bonus tip on how to create custom keyboard shortcuts in Ubuntu for your favourite apps and CLI tools — and to download our newbie-friendly Ubuntu keyboard shortcuts cheat sheet!

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Here’s Ubuntu 19.10’s New Default Wallpaper

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Ubuntu

The new desktop background for Ubuntu 19.10 was uploaded to a bug report on Launchpad where, as tradition dictates, it’s also available to download.

As we’ve come to expect from Ubuntu wallpapers of late, the new drape bears an artistic depiction of the latest Ubuntu codename mascot, which for this release is an “Ermine”, or white stoat...

Ubuntu 19.10 ‘Eoan Ermine’ will be released on October 18, 2019. And as well as this wonderful new wallpaper it offers Linux Kernel 5.3, a light Yaru GTK theme and the all-new GNOME 3.34 release.

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Vulture Central team welcomed to our new nest by crashed Ubuntu that's 3 years out of date

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Ubuntu

As eagle-eyed readers may have noted, Vulture Central UK is on the move. Our migratory path has led us to London's Grays Inn Road and, well, you can see what was waiting for us.

We normally like to feature Windows machines in various states of distress, be it a Tesco or Boots self-service till, or the odd railway terminal having a very, very bad day.

Today, courtesy of BT's InLinkUK, we have a Linux-based device caught with its pants down on our doorstep.

InLinkUK is an outfit that plops ad-slinging screens on the pavement, which lure punters with the promise of connectivity. Or, in this case, an insight into the OS on which the things actually run.

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Canonical Fixes Linux 4.15 Kernel Regression in Ubuntu 18.04 LTS and 16.04 LTS

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Ubuntu

Earlier this month, Canonical published major Linux kernel security updates for all supported Ubuntu Linux operating systems, addressing no less than 28 security vulnerabilities. However, one of the patches also introduced a regression causing the Linux kernel 4.15 on Ubuntu 18.04 LTS and Ubuntu 16.04 LTS systems to crash when handling fragmented packets.

"USN 4115-1 fixed vulnerabilities in the Linux 4.15 kernel for Ubuntu 18.04 LTS and Ubuntu 16.04 LTS. Unfortunately, as part of the update, a regression was introduced that caused a kernel crash when handling fragmented packets in some situations. This update addresses the issue. We apologize for the inconvenience," said Canonical in the security advisory.

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My Ubuntu Reached EOL, What Should I Do?

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Ubuntu

If your Ubuntu version reached its End of Life (EOL), it will not install software anymore. You can still use the system without time limit but you cannot get more applications nor security updates. This article explains with example to take care of Ubuntu 14.10 "Utopic Unicorn" which has been EOL since 2015 so it can install programs once again (but without updates). This tutorial can be used for other EOLed versions of Ubuntu for example 10.10 or 17.04. I hope this helps.

Each Ubuntu release has support duration, meaning, a certain period of time where Canonical provides software repository (including security updates) for it. When the support duration ended, it is called End Of Life, meaning Canonical deletes the repository (including security updates) for it. Once your Ubuntu system reached EOL, you cannot install software anymore nor receive any updates. For example, in 2019, versions considered EOL are 12.10, 14.10, and 17.04, among others.

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Ubuntu 19.10 "Eoan Ermine" Promises More Boot Speed Improvements

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Ubuntu

According to Colin Ian King, the Ubuntu Kernel Team worked hard during the past few months to find a faster compression/decompression algorithm for the upcoming Ubuntu 19.10 (Eoan Ermine) operating system, which will hit the streets later this fall on October 17th.

The Ubuntu Kernel Team benchmarked six compression methods for the initramfs, including BZIP2, GZIP, LZ4, LZMA, LZMO and XZ, to measure the loading time of the Linux kernel, as well as the decompression time. The benchmarking was conducted on x86 configurations using the x86 TSC (Time Stamp Counter).

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More in Tux Machines

Canonical Outs New Linux Kernel Security Update for All Supported Ubuntu OSes

Canonical released today a new Linux kernel security update for all supported Ubuntu releases to address three vulnerabilities across all supported architectures. The new Linux kernel security update addresses three vulnerabilities affecting the Ubuntu 19.04 (Disco Dingo), Ubuntu 18.04 LTS (Bionic Beaver), Ubuntu 16.04 LTS (Xenial Xerus), Ubuntu 14.04 ESM (Trusty Tahr), and Ubuntu 12.04 ESM (Precise Pangolin) operating systems. The first security issue addressed in this update is a a buffer overflow (CVE-2019-14835) discovered by Peter Pi in Linux kernel's virtio network backend (vhost_net) implementation, which could allow an attacker in the guest system to either execute arbitrary code in the host OS or crash the host operating system by causing a denial of service. Read more

Games Leftovers

  • AMD Linux Driver's LRU Bulk Moves Can Be A Big Help For Demanding Linux Games

    Sadly not currently queued as a fix for the Linux 5.4 kernel, re-enabling the LRU bulk moves functionality can be a significant boost for helping with the Radeon graphics driver performance for Linux gaming. As written about last week, there's been some signs of soon re-enabling the performance-boosting "bulk moves" functionality. The LRU bulk moves functionality was disabled in the AMDGPU driver back during Linux 4.20 but since Linux 5.1 it's believed all the bugs have been ironed out for this functionality to migrate PD/PT buffers to the least recently used list in a bulk operation.

  • This Is the Police spin-off strategy game Rebel Cops has released with Linux support

    Focusing exclusively on the turn-based combat found in This Is the Police 2, the new spin-off game Rebel Cops is officially out now with Linux support. Note: Copy provided by GOG. A new criminal power which has set foot in town and the community leaders, politicians and local police have basically surrendered and so it seemed like all hope was lost. That was, until you and you crew stepped in. You lead a rough and ready group of renegade cops who refuse to give in.

  • The latest update to the city-builder god game The Universim adds riots, Twitch integration and some automation

    Crytivo continue expanding their city-builder The Universim, with the Pitchfork Patch now out and it's quite a big one. Added in this patch is a new Riots feature. If you fail them, they will respond. So if global happiness drops too low or there's too much crime you might see your nuggets run around rioting. Fires might be caused, damage to structures and more. They can be dealt with a few ways like letting them burn out, arresting them or using some god powers. The Stone Age Town Hall has been added in, allowing a little more automation. This building allows Elders to sort out the essential needs of your nuggets (like food and water), it will also auto-assign workers to buildings and more allowing you to sit back and appreciate watching everything grow.

  • A95X Max Plus S922X TV Box Targets Gaming with Wii-like Motion Sensing Remote & Bluetooth Gamepad

    Unless a new processor is out, we don’t cover most TV boxes as they mostly provide the same features with little differentiation between products.

  • Area 86, an amusing physics-based escape room puzzler is coming to Linux

    Area 86 takes the idea of an escape room game and turns it into a physics-based puzzler and it's coming to Linux next month. Linux support is already in and live, as the developer actually sent a preview copy to our GamingOnLinux Curator on Steam. Inspired by the likes of Human: Fall Flat, Overcooked and Portal it tasks you with helping a little robot escape a series of rooms and it's actually quite amusing.

  • Prison Architect updated with more free content, needs a fix for it running on Linux

    Now that Paradox own the rights to Prison Architect and Double Eleven are in charge of development, they're continuing the free updates. The Slammer update was released yesterday and one of the major changes is an overhaul to Deployment. The presentation of visuals of the interface were improved so you can see your prison, you can assign Armed Guards and Dog Handlers to patrols and zones, you can have 2 different intersecting patrol routes plus routes and zones can be prioritized.

  • Paradox have released a big free update for Europa Universalis IV, fix included for Linux

    Paradox Development Studio have released another big free content update to the empire building game Europa Universalis IV.

  • Receiver, the experimental FPS from Wolfire Games had a big update recently (updated)

    Receiver is a name I've not heard in a long time, the indie FPS released back in 2013 by Wolfire Games and it's just seen a big update. There's no new enemies or levels in this update, instead Wolfire focused on the tech that runs the game. In this case it's the Unity game engine and they gave it quite a big update. It also adds in some graphical prettiness and other bits like that.

  • Backspace Bouken, the dungeon crawler that needs you to type out encounters has a fresh demo out

    RNG Party Games recently put out a freshly baked demo version of the typing dungeon crawler Backspace Bouken. It's a really sweet idea and thoroughly flips classic dungeon crawling on its head.

  • Might and Delight just announced Book of Travels, a unique new RPG that will support Linux

    Might and Delight (Meadow, Shelter) announced something very interesting just recently called Book of Travels. It's what they say is a TMO (Tiny Multiplayer Online) game and it looks pretty awesome. It sounds like nothing else, this could be one of the most unique RPGs I've seen in a very long time. With an art style that looks like it has been painted, with a land that's inspired by old-world fairytales, Eastern mythologies and early industrial eras. I'm most curious to see how they're handling the online side though. Their current explanation doesn't help much, just that "other players are few, but your paths will cross - it’s up to you to choose to travel together or go it alone". There's no Guilds or other social stuff, to make "your temporary fellowships unique and memorable".

  • Beautiful sci-fi point and click adventure ENCODYA is fully funded and heading to Linux

    ENCODYA is a very impressive sci-fi point and click adventure with a fantastic style and the good news is the recent Kickstarter campaign was very much a success. Ending yesterday with €46,543 from 603 backers. Curiously, for that amount of funding that's quite a small amount of supporters. Looking at the tiers, they had three people sign up to the €5,000 level to be classed as a "co-producer" giving them a few bonuses like a logo during the start and end screen. Pretty amazing really to see a few people give such a huge amount of support to an indie game.

today's leftovers: startx, podcasts. games, Debian, events, Mozilla and more

  • The return of startx(1) for non-root users [with some caveats]

    Mark Kettenis (kettenis@) has recently committed changes which restore a certain amount of startx(1)/xinit(1) functionality for non-root users.

  • Talking to machines: Lisp and the origins of AI

    The Command Line Heroes podcast explores the invention of Lisp and the rise of thinking computers powered by open source software.

  • 09/17/2019 | Linux Headlines

    Richard Stallman resigns from the board of the Free Software Foundation and his position at MIT. Plus Microsoft's latest open source project, Oracle's new Linux distribution, and a release date for CentOS 8.

  • The new Steam Library Beta is officially out for you to try

    The day has finally arrived, Valve have now put out a Beta for the massive overhaul to the Steam Library so you can try it yourself. A huge amount has changed but likely some rough edges to be found since it's not quite finished. Promising though, a lot better in many ways than the old and stale interface that Steam has currently.

  • No hammer or nails needed for the Humble Builder Bundle now live

    The Humble Builder Bundle just went live with a couple of nice Linux games included, another chance to get a good deal.

  • New Debian Developers and Maintainers (July and August 2019)

    The following contributors got their Debian Developer accounts in the last two months: Keng-Yu Lin (kengyu) Judit Foglszinger (urbec) The following contributors were added as Debian Maintainers in the last two months: Hans van Kranenburg Scarlett Moore Congratulations!

  • A recap of the Linux Plumbers Conference 2019

    This year’s Linux Plumbers Conference concluded on the 11th of September 2019. This invitation-only conference for Linux top kernel developers was held in Lisbon, Portugal this year. The conference brings developers working on the plumbing of Linux – kernel subsystems, core libraries, windowing systems, etc. to think about core design problems. Unlike most tech conferences that generally discuss the future of the Linux operating system, the Linux Plumbers Conference has a distinct motive behind it. In an interview with ZDNet, Linus Torvalds, the Linux creator said, “The maintainer summit is really different because it doesn’t even talk about technical issues. It’s all about the process of creating and maintaining the Linux kernel.” In short, the developers attending the conference know confidential and intimate details about some of the Linux kernel subsystems, and maybe this is why the conference has the word ‘Plumbers’ in it.

  • OpenForum Academy Workshop - Exploring Modern Dimensions of Openness

    The OpenForum Academy held its second 2019 workshop in Brussels this week. OpenForum Academy is a European-based independent think tank which explains the merits of openness in computing to policy makers, industry and communities across Europe. This workshop series aims at being a forum for practitioners, academics and policy makers to collaborate on various topics of openness and freedom. It is organized by OpenForum Europe, enabling it to bridge between the abstract academic world and policy discussions at the European Commissions. We set out to explore focus topics to answer current challenges to openness that the academy will develop insights and recommendations for. These topics will shape the work of OpenForum Academy for the near future. The workshop was opened by a series of input presentations. One of those was on “Addressing lock-in challenges through the use of open source software projects” by Björn Lundell, a fellow of the academy and professor at the University of Skövde in Sweden. He explained for example the need for open source solutions to read and write data formats of digital assets of long-term importance.

  • Mozilla first reveals, then conceals, paid support plan for Firefox

    In return for the fee, Mozilla said on the now-absent Firefox enterprise site - still visible through the Internet Archive's Wayback Machine - customers would be able to privately report bugs via a new web portal and receive fixes on a timeline dependent on the impact and urgency of the problem. Customers would also be able to file requests for help with Firefox's installation and deployment, management policies, functionality and customization.

  • Trabant Calculator - a Data Visualization of TreeHerder Jobs Durations

    Its goal is to give a better sense on how much computations are going on in Mozilla automation. Current TreeHerder UI surfaces job durations, but only per job. To get a sense on how much we stress our automation, we have to click on each individual job and do the sum manually. This tool is doing this sum for you. Well, it also tries to rank the jobs by their durations. I would like to open minds about the possible impact on the environment we may have here. For that, I am translating these durations into something fun that doesn’t necessarily make any sense.

  • FOSSA scores $8.5 million Series A to help enterprise manage open-source licenses
  • First Digital-Only Bank in China Joins Linux Foundation

    The Linux Foundation today announced that WeBank is joining at the Gold level. It joins Alibaba, Dell, Facebook, Toyota, Uber and Verizon among other Linux Foundation members at this level.

  • First Digital-Only Bank in China Joins Linux Foundation

    WeBank is both the first privately-owned bank and the first digital-only bank in China. It was built with technology at its core and is committed to promoting innovative technologies. It recently led the transfer of the FATE (Federated AI Technology Enabler) to the Linux Foundation. FATE is a federated learning framework that fosters collaboration across companies and institutes to perform AI model training and inference in accordance with user privacy, data confidentiality and government regulations.

SUSE: Containers, IBM, Predictions and Openwashing SAP

  • Demystifying Containers – Part III: Container Images

    This series of blog posts and corresponding talks aims to provide you with a pragmatic view on containers from a historic perspective. Together we will discover modern cloud architectures layer by layer, which means we will start at the Linux Kernel level and end up at writing our own secure cloud native applications. Simple examples paired with the historic background will guide you from the beginning with a minimal Linux environment up to crafting secure containers, which fit perfectly into todays’ and futures’ orchestration world. In the end it should be much easier to understand how features within the Linux kernel, container tools, runtimes, software defined networks and orchestration software like Kubernetes are designed and how they work under the hood.

  • Announcing the new IBM LinuxONE III – Combined with SUSE for One of the Most Secure Platforms on the Planet

    Our guest blog writer is Kara Todd, Director of Linux at IBM with an exciting announcement from IBM – with SUSE Linux Enterprise playing an integral role! Announcing the new IBM LinuxONE III – the system you need for the most secure, flexible system to support your initiatives today, and you need that system to grow and evolve with you for tomorrow. The latest LinuxONE system was designed to support your mission-critical initiatives and allow you to be innovative as you design and scale your environment. LinuxONE III provides features for advanced data protection and privacy, enterprise resiliency and scalability, and cloud enablement and integration. These tools set the foundation to enable you to build with flexibility, deliver with confidence, and protect the future.

  • Top 10 Technology Predictions for 2019 Revisited – Here’s my Personal Performance Appraisal

    Open source continues to play a key role in all these other dominant technology trends. That’s why 82% of large organizations are more receptive to open source than they were 5 years ago, and 83% of hiring managers are looking for open source talent as a priority. So, how did I do overall with my predictions? Based on my own appraisal, I scored a creditable 9/10, and I’m feeling pretty good about that. However, I guess I wasn’t taking a huge risk. By way of full disclosure, I track all of these trends as part of my role at SUSE, and as a leading technology partner, SUSE works very closely with all its customers.

  • Introduction to SUSE Linux Enterprise is now available on openSAP