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Ubuntu

Samsung announce Linux on DeX with Ubuntu: for developers on the move

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GNU
Linux
Ubuntu
Gadgets

The Samsung Developer Conference, held this week in San Francisco, brings creators together to discover and learn about the latest technologies in Samsung’s portfolio and further afield. One of the technologies showcased, following the initial demo in 2017, is Samsung’s Linux on DeX. Samsung DeX, launched last year, lets users of Samsung flagship Galaxy devices enjoy apps on a bigger screen for a better viewing experience, whether watching films, playing games or just browsing the web.

This year, Samsung is announcing the beta launch of Linux on DeX which extends the value of Samsung DeX to Linux developers. Linux on DeX empowers developers to build apps within a Linux development environment by connecting their Galaxy device to a larger screen for a PC-like experience.

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Also: Ubuntu Linux On Samsung Galaxy Devices Finally Reaches Beta (Samsung DeX)

Ubuntu News, Development, and Derivatives

Filed under
Ubuntu
  • How to install the Icinga2 Monitoring tool on Ubuntu Server 16.04

    As your data center is being populated with more and more Linux servers, you need to have the means to monitor those systems. As with anything in the open source world, there are a vast number of tools available for the task. One such tool is Icinga2, a web-based system monitor that keeps a constant check on the availability of network resources, generates real-time reporting on performance and services, and can even notify users of outages. Icinga2 also uses a RESTful API, so you can update configuration files on the fly and notifications can come by way of email, texts, or mobile messaging applications.

  • Ubuntu Weekly Newsletter Issue 552

    Welcome to the Ubuntu Weekly Newsletter, Issue 552 for the week of October 28 – November 3, 2018.

  • Writing Up Plan B

    With the prominence of things like Liberapay and Patreon as well as Snowdrift.coop, I have had to look at the tax implications of them all.  There is no single tax regime on this planet.  Developers and other freelancers who might make use of one of these services within the F/LOSS frame of reference are frequently not within the USA frame of reference.  That makes a difference.

  • What’s New in Ubuntu 18.10 Cosmic Cuttlefish

    Ubuntu 18.10 Cosmic Cuttlefish the new release of Ubuntu linux Distribution, this release ships with latest GNOME 3.30 as default desktop enviroment and Powered by a Linux kernel 4.18 series. Also include new Yaru theme, the bold, the frivolous, yet distinctly Ubuntu saw further improvements and touchups. Integrates beautifully with GNOME 3.30 Desktop and improves usability with its careful use of semantic colors.

  • What’s New in Elementary OS 5.0 Juno

    Elementary OS 5.0 Juno, the latest release of Elementary OS has been released by Elementary OS developer , This new release is based on Ubuntu 18.04 Long Term Support (LTS) and powered by Linux Kernel 4.15.

    The pantheon desktop, default desktop of elementary OS get more polished and updated. added brand new Night Light feature with both a manual timer and an automatic Sunrise to Sunset option, Adjustable Window Tiling improved, introducing an all new Picture-in-Picture mode that makes it easier to keep tabs on a video or other window while working on something else, added new translucent light mode., added a new search icon to the Applications Menu, Introducing brand new Shortcut Overlay and more..

  • Trisquel 8.0 LTS Flidas – The 100% Libre Linux OS, Using MATE & Powered By Linux-Libre 4.4

    Trisquel 8.0 is the latest release of Trisquel Linux Distribution that’s endorsed by the Free Software Foundation. this release based on Ubuntu 16.04 LTS, using MATE desktop 1.12 as default desktop environment and powered by Linux-libre 4.4 LTS kernel.

    The desktop environment shifted over to MATE as they wanted a Linux desktop not requiring OpenGL acceleration due to not wanting to require binary drivers or even binary GPU microcode files for that matter, ruling out 3D hardware acceleration for most newer GPUs.

Ubuntu 19.04 Release Date & Planned Features

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Ubuntu

The Ubuntu 19.04 release date is scheduled for April 18, 2019.

This date appears on the draft release schedule for Ubuntu 19.04 (named the ‘Disco Dingo’), which was recently added to the official Ubuntu Wiki.

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Ubuntu & Deja Dup - Get up, backup

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Software
Ubuntu

Deja Dup is a deceptively clever tool. It looks too simple - blame Gnome for that - but it has an extensive set of options and features. In my testing, it was reliable. But then, Deja Dup can also be improved. Better and more fine-grained control of backup data (file control), better scheduling (exact times and/or conditions for when the backup ought to run), and slightly more clarity around backup retention. I am also not sure regarding encryption, and whether backup passwords actually mean exactly that. Lastly, the support for additional cloud services would be a nice thing, because there's no reason for any particular one or two to be featured and for the rest to be excluded. Duplicity does support numerous cloud platforms, there's no reason for Deja Dup to behave differently.

All that said, most Linux distributions do not promote backups well enough, and/or do not necessarily include simple and practical tools that even less skilled users can try with confidence. Ubuntu backups are not a new thing, of course, but I finally got around to testing the functionality, and I'm glad I did. This seems like a nice compromise between nothing and other, somewhat more difficult rsync frontends. Simple use, password protection and multi-location support are the main selling points. If you don't have your own robust backup mechanism in place, this is a good choice to start. Definitely worth checking out. Take care.

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Canonical: Ubuntu 19.04. Canonical’s Distribution of Kubernetes (CDK) and Snap

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Ubuntu
  • Ubuntu 19.04 Has Been Codenamed Disco Dingo

    This is a continually updated article about Ubuntu 19.04 Disco Dingo release date, new features and everything important associated with it.

    Ubuntu 18.10 is released and it’s time to start looking for the upcoming Ubuntu 19.04.

  • Canonical’s Distribution of Kubernetes supported on Arm architecture

    Today, Canonical, the company behind Ubuntu, announces that Canonical’s Distribution of Kubernetes (CDK) is now commercially available and supported on processors and servers based on 64-bit Arm® v8-A architecture.
    The data centre is evolving to support new workload requirements, it is transforming to be optimised for workloads such as: 5G, the internet of things, edge computing, and the cloud. The shift is one that Arm and Canonical’s server ecosystem partners have been carrying out with Ubuntu. Canonical and Ubuntu were first with a server OS for 64-bit Arm architecture, and first to release Openstack and CEPH for 64-bit Arm.

  • A guide to snap permissions and interfaces

    Snap is a Linux application package management system which allow developers to easily publish self contained software packages (snaps) that work across many distributions and versions of Linux. Snaps have security at their heart, and are designed to ensure all applications support the principle of least privilege / authority. That is, each package only has access to the common groups of resources that it requires to perform its intended function.

    To support this, each package is sandboxed so that it runs in a constrained environment, isolated from the rest of the system – this is achieved via a combination of AppArmor, seccomp, mount namespaces, cgroups and traditional UNIX permissions. To then allow a package access to common resources, the snap system provides ‘interfaces’ to which packages can be granted access as required or determined by the user. This includes things like files within the user’s home directory, or files on removable media, as well as hardware devices such as webcams or audio devices (for a full list of interfaces see the snap documentation). Interfaces can also be provided from one snap to another, for example to let one snap provide services via DBus to another snap application, or to provide shared content from one snap to another.

    Access to a given interface corresponds to a particular permission for a snap package.

Ubuntu 19.04 "Disco Dingo" Daily Build ISOs Now Available to Download

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Ubuntu

Dubbed the "Disco Dingo," Ubuntu 19.04 will be released next year on April 18, 2019, and will be supported for nine months, until July 2020. Its development cycle started on October 25, 2018, with the toolchain upload, and the first daily build ISO images are already available to testers.

Of course, these are based on the previous release, Ubuntu 18.10 (Cosmic Cuttlefish), which was released earlier last month on October 18, so don't expect them to have any new features or enhancements, nor to look any different than the Ubuntu 18.10 live images.

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Linux Mint 19.1 Will Feature a ‘Modern’ Desktop Layout

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GNU
Linux
Ubuntu

We’re expecting the release of Linux Mint 19.1 to arrive just before the Christmas holidays and, like your nearest and dearest, it’ll be bringing a few surprises with it.

The Linux 19.1 release will include the Cinnamon 4.0 desktop environment by default and this, Mint’s devs say, will “look more modern” than it does not.

How? By using a new panel layout.

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Lubuntu and Ubuntu News and Howtos

Filed under
Ubuntu
HowTos
  • Disco Dingo: The development cycle has started!

    The development cycle for the Disco Dingo (which will be the codename for the 19.04 release) has started for the Lubuntu team!

    As of the time of writing, the initial building blocks have been put in place for the archive, and preparations are being made for its opening. Right now, the Ubuntu Foundations Team is working on preparing a transition to Python 3.7 as the default version, as well as some GCC changes and the usual preparation work.

    For Lubuntu, this means we can begin setting up our infrastructure for the Disco Dingo in preparation for when the archive opens. Our full 19.04 release blocker list can be found here. All of these items will be completed before the planned release date of April 18, 2019. We are also working on cleaning up some 18.10 bugs post-release, so you can expect an announcement from us, either as a post here on our official Lubuntu blog or on Twitter/Mastodon.

  • Configure a keyboard shortcut in Lubuntu 18.04 to take a screenshot of a screen region
  • Ubuntu 19.04 Is Dubbed the "Disco Dingo," Slated for Released on April 18, 2019

    After unwrapping the Ubuntu 18.10 (Cosmic Cuttlefish) release, Canonical is now kicking off the development cycle of the next major release, Ubuntu 19.04, due in spring 2019.
    Even though Canonical CEO Mark Shuttleworth is no longer naming new Ubuntu releases, the development team already codenamed the forthcoming Ubuntu 19.04 release of the Linux-based operating system and published a draft release schedule.

    Ubuntu 19.04 is dubbed the "Disco Dingo," and it will be released on April 18, 2019. The development cycle was kicked off officially on October 25, 2018, with the toolchain upload. Three "Ubuntu Testing Weeks" are scheduled for January 3, 31, and February 28, 2019.

  • Canonical Adds Spectre V4, SpectreRSB Fixes to New Ubuntu 18.04 LTS Azure Kernel

    After releasing new kernel security updates for the Ubuntu 16.04 LTS (Xenial Xerus) and Ubuntu 14.04 LTS (Trusty Tahr) operating system series, Canonical published corresponding updates for the Linux kernel for Microsoft Azure cloud systems.

    The new Azure kernel is available for Ubuntu 18.04 LTS (Bionic Beaver) and Ubuntu 16.04 LTS (Xenial Xerus) operating system series and addresses the side-channel attack discovered by Jann Horn and Ken Johnson, known as Spectre Variant 4 (CVE-2018-3639), which could allow a local attacker to expose sensitive information.

  • FSTAB Ubuntu mount NFS Share
  • Restore Running Applications after Hibernation in Ubuntu

Xubuntu 18.10 Cosmic Cuttlefish - Super green?

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Reviews
Ubuntu

Let the distro testing season begin! It's that time of the year again, and me first volunteer is Xubuntu 18.10, the Xfce flavor of the family. My journey with Xubuntu has been a colorful one. I wasn't pleased with it for a long time, but then it suddenly soared, becoming really good around 2014-2017. This past year though, there's been less enthusiasm and innovation in the distro. I don't know why.

The previous edition, Bionic Beaver, was sort of average, which isn't a good result for an LTS, offering the familiar, understated Xfce look and feel but without the extra zest and fun that we had only a year prior. So it shall be most interesting to see how Cosmic behaveth today. The test box will be the eight-boot UEFI/GPT Lenovo G50, with Intel graphics. Let us merrily proceed.

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Canonical Adds Spectre V4, SpectreRSB Fixes to New Ubuntu 18.04 LTS Azure Kernel

Filed under
Security
Ubuntu

The new Azure kernel is available for Ubuntu 18.04 LTS (Bionic Beaver) and Ubuntu 16.04 LTS (Xenial Xerus) operating system series and addresses the side-channel attack discovered by Jann Horn and Ken Johnson, known as Spectre Variant 4 (CVE-2018-3639), which could allow a local attacker to expose sensitive information.

Also discovered by Jann Horn, the new Azure kernel fixes the original Spectre vulnerability (CVE-2017-5715) and a use-after-free vulnerability (CVE-2018-17182) found in the vmacache subsystem, which could let a local attacker crash the system or execute arbitrary code.

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More in Tux Machines

Games: Metropolisim, Monster Prom, Kingdom Two Crowns and Lots More

  • Metropolisim aims to be the deepest city-building simulation experience ever, will have Linux support
    Metropolisim from developer Halfway Decent Games is releasing next year, with a pretty bold aim to be the deepest city-building simulation experience ever.
  • Monster Prom, the dating sim that won me over is now available on GOG
    Visual novels and dating sims aren't something I'm usually into, however Monster Prom is actually funny and worth playing and it's now available on GOG. I know we have a number of GOG fans here, so hopefully this will be interesting for you. As always, we try to treat all stores equally with release info.
  • Kingdom Two Crowns will be coming to Linux after all with the Quality of Life update
    Kingdom Two Crowns, the third in the Kingdom series released recently for Windows and Mac. It looked like we weren't getting it, but it's now confirmed to be coming. In their new roadmap post on Reddit and Steam, under the "QoL #01 Update" (Quality of Life Update) they noted that they will add "Add SteamOS (Linux) Support". This update is due out sometime early next year. This is really nice news, it's good to know they didn't give up on supporting Linux after all.
  • Steam Link for the Raspberry Pi is now officially available
    After a rather short beta period, the Steam Link application for the Raspberry Pi is now officially out.
  • Valve in it for the 'long haul' with Artifact, first update out and a progression system due soon
    Artifact, the big new card game from Valve isn't doing so well but Valve won't be giving up any time soon. The first major update is out, with a progression system due soon. At release, it had around sixty thousand people playing and that very quickly dropped down hard. Harder than I expected, a lot worse than Valve probably thought it would too.
  • Bearded Giant Games open their own store with a 'Linux First Initiative'
    Bearded Giant Games, developer of Ebony Spire Heresy have announced their new online store along with a 'Linux First Initiative'. I know what you're thinking already "not another store", but fear not. For now, it's mainly going to be a place for them to sell their games directly. Speaking about it in a blog post, they mentioned how they hate having to check over multiple forums, channels, emails and so on to stay up to date and they wish "to spend more time giving love to my projects instead of updating 4 different distribution channels, translating pages, writing different press releases and making separate builds"—can't argue against that.
  • The Forgotten Sanctum, the final DLC for Pillars of Eternity II is out along with a patch
    Pillars of Eternity II: Deadfire expansions come to a close with the release of The Forgotten Sanctum along with a major update now out.
  • Pre-order Meeple Station for instant beta access, what the developers say is like Rimworld in space
    Meeple Station, the space station building sim that the developers say is like Rimworld in space can now be pre-ordered with instant beta access. While we don't like the idea of pre-orders, getting access to the beta right away is a decent way to do it. Sadly, their Kickstarter campaign actually failed which I didn't notice. Making sure that wasn't the end of it, the developer Vox Games decided to go the Early Access route. They weren't left out in the cold of space though, as they also recently announced that Indie DB will be publishing their game. Under the label of Modularity, this will be the first title published by Indie DB.
  • Heroes of Newerth drops support for Linux and Mac
    Heroes of Newerth, the MOBA originally from S2 Games which is now handled by Frostburn Studios has dropped Linux and Mac support. [...] I'll be honest here, I couldn't care less about it personally. The last time i tried it, it was the single most toxic experience I've ever had in an online game. I've played a lot of online games and even so it was still at a level I had not seen before. I tried to go back to it a few times, never with a happy ending. Still, sad for any remaining Linux (and Mac) fans of the game. Looking over some statistics, it's not popular with viewers either. Around 180 on Twitch compared with nearly 100K for League of Legends and over 50K for Dota 2.
  • Unity 2018.3 With HDR Render Pipeline Preview, Updated PhysX & More
    Unity Tech is ending out the year with their Unity 2018.3 game engine update that brings a number of new features and improvements to its many supported platforms.

Wine 4.0 Release Candidate 2

  • Wine Announcement
    The Wine development release 4.0-rc2 is now available. What's new in this release (see below for details): - Bug fixes only, we are in code freeze.
  • Just when you think you can stop drinking, Wine 4.0 has another release candidate available
    Just before the weekend hits you in the face like a bad hangover when you realise it's Monday already, there's another bottle of Wine ready for you. Of course, we're not talking about the tasty liquid! Put down the glass, it's the other kind of Wine. The one used to run your fancy Windows programs and games on Linux. Doing their usual thing, developer Alexandre Julliard announced that the Wine 4.0 Release Candidate 2 is officially out the door today. While this release is nothing spectacular it is an important one, the more bugs they're able to tick off the list the better the 4.0 release will be for more people to use it.

Android Leftovers

A Look At The Clear Linux Performance Over The Course Of 2018

With the end of the year quickly approaching, it's time for our annual look at how the Linux performance has evolved over the past year from graphics drivers to distributions. This year was a particularly volatile year for Linux performance due to Spectre and Meltdown mitigations, some of which have at least partially recovered thanks to continued optimizations landing in subsequent kernel releases. But on the plus side, new releases of Python, PHP, GCC 8, and other new software releases have helped out the performance. For kicking off our year-end benchmark comparisons, first up is a look at how Intel's performance-optimized Clear Linux distribution evolved this year. For getting a look at the performance, on four different systems (two Xeon boxes, a Core i5, and Core i7 systems), the performance was compared from Clear Linux at the end of 2017 to the current rolling-release state as of this week. Read more