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Updated: 1 hour 7 min ago

4 types of OpenStack Neutron networks you must understand

Friday 28th of April 2017 07:01:00 AM

If your OpenStack hosted virtual instances need network connectivity you’re going to have to create a network. There are multiple kinds of networks and in order to make the right choice you will need to understand at least two very important network attributes: ‘router:external’ and ‘shared.’ Unless you know what these attributes and their combinations mean, it will be difficult to make the optimal network choice.


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Cross-platform development with Python and BeeWare

Friday 28th of April 2017 07:00:00 AM

If you want to develop for Android, you have to use Java. If you want to develop for iOS, you have to use Objective C. And if you want to develop for the web, you have to use JavaScript. Right?

These may be the preferred languages for these platforms, but at the end of the day, mobile phones and web browsers are computing platforms, and with a little work, you can use any language you want. With the BeeWare suite of libraries and bridges, you can use just Python. And, you can use the same code to deploy on all these platforms.


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Testing Linux hardware compatibility with USB sticks

Thursday 27th of April 2017 03:41:00 PM

Like everyone else, those of us who use Linux sometimes need to purchase a new computer. Although the days of poor hardware compatibility are long gone, it is still possible to run into issues. Just going to a local store, like Intrex here in Raleigh, or any of the big box stores, and watching the display models run Windows demo programs does not help my confidence levels about Linux support for all aspects of their hardware.


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3 Linux questions from the community

Thursday 27th of April 2017 07:02:00 AM

In the last The Queue, I flipped the script and asked you questions as opposed to answering them. It was so well received, I'm going to keep it going with three more questions this month. I'll resume answering next month, so don't forget you can fill the queue with your questions about Linux, building and maintaining communities, contributing to an open source project, and anything else you'd like to know.


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Haters gonna hate: 7 ways to deal with criticism

Thursday 27th of April 2017 07:01:00 AM

It's an unfortunate reality of sharing your work: Some people jump in to provide unwanted and unconstructive criticism. As a wise philosopher (OK, it was Taylor Swift) once put it, "Haters gonna hate, hate, hate, hate."

In healthy communities, constructive feedback (even if it's critical) will vastly outnumber the hate. Yet even in those cases, the "nonconstructive" feedback is often louder and easily gets more attention. Therefore, knowing how to "shake it off, shake it off" (to again draw from Ms. Swift's song) is important.


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3 essential skills for fostering productive debate in your IT team

Thursday 27th of April 2017 07:00:00 AM

Passionate debate fuels many open source communities and open organizations. Open and productive debate helps us refine and improve our ideas—and it ensures that everyone understands why a particular solution or idea is chosen.

Yet this kind of debate seems to be the exception rather than the rule among IT organizations. And that's a shame, because open and candid conversations lead to better and more innovative solutions.

So let's take a look at three ways that you can foster productive debate within your IT team.


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More in Tux Machines

today's howtos

Tizen in Bolivia and India

Security Leftovers

  • Security updates for Wednesday
  • Microsoft says its best not to fiddle with its Windows 10 group policies (that don't work)

    On Monday, we revealed that a security researcher had used a packet sniffer to show that many settings designed to prevent access to the internet were being ignored with connections to a range of third party servers including advertising hubs.

  • What's got a vast attack surface and runs on Linux? Windows Defender, of course
    Google Project Zero's Windows bug-hunter and fuzz-boffin Tavis Ormandy has given the world an insight into how he works so fast: he works on Linux, and with the release of a personal project on GitHub, others can too. Ormandy's project is to port Windows DLLs to Linux for his vuln tests (“So that's how he works so fast!” Penguinistas around the world are saying). Typically self-effacing, Ormandy made this simple announcement on Twitter (to a reception mixing admiration, humour, and horror):
  • Hacked in Translation – from Subtitles to Complete Takeover
    Check Point researchers revealed a new attack vector which threatens millions of users worldwide – attack by subtitles. By crafting malicious subtitle files, which are then downloaded by a victim’s media player, attackers can take complete control over any type of device via vulnerabilities found in many popular streaming platforms, including VLC, Kodi (XBMC), Popcorn-Time and strem.io. We estimate there are approximately 200 million video players and streamers that currently run the vulnerable software, making this one of the most widespread, easily accessed and zero-resistance vulnerability reported in recent years.
  • A Samba remote code execution vulnerability
    Distributors are already shipping the fix; there's also a workaround in the advisory for those who cannot update immediately.

KDE, Qt, GTK and GNOME News

  • KDE Plasma 5.8.7 LTS Desktop Environment Released with over 60 Improvements
    KDE has announced today the release and immediate availability of the seventh maintenance update to the long-term supported KDE Plasma 5.8 desktop environment. KDE Plasma 5.8.7 LTS is now considered the latest stable and most advanced version of the KDE Plasma 5.8 LTS (Long Term Support) desktop environment, which some of you out there are probably using on your favorite GNU/Linux distributions instead of a short-lived branch like KDE Plasma 5.9 or the upcoming KDE Plasma 5.10 release.
  • Summer of Coding!
    After a month of dread and panicking about the fact that Google Summer of Code results are announced in the middle of exam season... I'm happy to say I'll be doing the Rust plugin for KDevelop!
  • Qt 5.9 Release Candidate Available For Testing
  • Qt 5.9.0 RC released
    We have released Qt 5.9.0 RC today. You can update it at the top of your Qt 5.9 beta(4) online installation or do clean installation by using qt online installer. Detailed instructions here: https://wiki.qt.io/How_to_get_snapshot_via_online_installer .
  • The Road to GTK+ 4 Continues, New Milestone Adds Initial OS X and Meson Support
    A new milestone was released recently, GTK+ 3.91.0, which adds quite a bunch of improvements and bug fixes, but also some new APIs and compatibility with other supported operating systems besides those based on the Linux kernel. For example, GTK+ 3.91.0 implements initial support for Apple's macOS platform, which will make it possible to run apps written in GTK+ 4 on OS X.
  • Epiphany Browser Updated for GNOME 3.25.2 with New Shortcuts for Switching Tabs
    Ahead of today's GNOME 3.25.2 desktop environment development release, the team of developers behind the Epiphany web browser have released the second milestone towards the Epiphany 3.26 stable series, due out later this year.