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Leftovers: Ubuntu

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Ubuntu
  • This Is What The Official Mascot of Ubuntu 16.04 Looks Like

    Ubuntu 16.04 LTS is codenamed ‘Xenial Xerus‘. In a massive shock¹ I can reveal that the animal logo for the upcoming Ubuntu release is …also of a Xerus (which is the posh name given to a type of ground squirrel).

  • UbuntuBSD helps users escape systemd

    Some members of the BSD community have announced an Ubuntu-based version of BSD called UbuntuBSD.

    UbuntuBSD is based on the FreeBSD kernel rather than the Linux kernel that’s used in the main Ubuntu. It’s using the FreeBSD 10.1 kernel and is based on Ubuntu 15.10 Wily Werewolf.

    UbuntuBSD uses the ZFS file system and comes with the lightweight Xfce desktop. Installing UbuntuBSD is quite easy, though it’s using text installer that you see in Debian or Ubuntu server.

  • Ubuntu Linux and BSD Merge to Form New UbuntuBSD Open Source OS

    BSD -- the open source, Unix-like operating system kernel that lives in Linux's shadow -- is now coming to the Ubuntu world, thanks to a new open source project called UbuntuBSD.

    For the uninitiated, here's the BSD back story: Created starting in the late 1970s (originally as an enhanced version of AT&T's Unix operating system, then as a complete replacement for it) at the University of California, Berkeley, BSD was one of the first freely redistributable operating systems. Then, in the 1990s, for various complicated reasons -- largely but not solely related to legal challenges -- BSD took a back seat to other free operating systems that were based on GNU software and the then-new Linux kernel.

  • Exploring Ubuntu Phone UI Elements

    Last November I wrote a short tour of the UX principles of the Ubuntu operating systems for phones. In this article I will focus on specific UI elements, based on the official style guide provided by Canonical. Time to begin!

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BlueBorne Vulnerability Is Patched in All Supported Ubuntu Releases, Update Now

Canonical released today new kernel updates for all of its supported Ubuntu Linux releases, patching recently discovered security vulnerabilities, including the infamous BlueBorne that exposes billions of Bluetooth devices. The BlueBorne vulnerability (CVE-2017-1000251) appears to affect all supported Ubuntu versions, including Ubuntu 17.04 (Zesty Zapus), Ubuntu 16.04 LTS (Xenial Xerus) up to 16.04.3, Ubuntu 14.04 LTS (Trusty Tahr) up to 14.04.5, and Ubuntu 12.04 LTS (Precise Pangolin) up to 12.04.5. Read more

Security: Updates, 2017 Linux Security Summit, Software Updates for Embedded Linux and More

  • Security updates for Tuesday
  • The 2017 Linux Security Summit
    The past Thursday and Friday was the 2017 Linux Security Summit, and once again I think it was a great success. A round of thanks to James Morris for leading the effort, the program committee for selecting a solid set of talks (we saw a big increase in submissions this year), the presenters, the attendees, the Linux Foundation, and our sponsor - thank you all! Unfortunately we don't have recordings of the talks, but I've included my notes on each of the presentations below. I've also included links to the slides, but not all of the slides were available at the time of writing; check the LSS 2017 slide archive for updates.
  • Key Considerations for Software Updates for Embedded Linux and IoT
    The Mirai botnet attack that enslaved poorly secured connected embedded devices is yet another tangible example of the importance of security before bringing your embedded devices online. A new strain of Mirai has caused network outages to about a million Deutsche Telekom customers due to poorly secured routers. Many of these embedded devices run a variant of embedded Linux; typically, the distribution size is around 16MB today. Unfortunately, the Linux kernel, although very widely used, is far from immune to critical security vulnerabilities as well. In fact, in a presentation at Linux Security Summit 2016, Kees Cook highlighted two examples of critical security vulnerabilities in the Linux kernel: one being present in kernel versions from 2.6.1 all the way to 3.15, the other from 3.4 to 3.14. He also showed that a myriad of high severity vulnerabilities are continuously being found and addressed—more than 30 in his data set.
  • APNIC-sponsored proposal could vastly improve DNS resilience against DDoS