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Updated: 5 hours 55 min ago

[$] Early packet drop — and more — with BPF

Wednesday 6th of April 2016 01:44:20 PM
The Berkeley packet filter (BPF) mechanism has been working its way into various kernel subsystems since it was rewritten and extended in 2014. There is, it turns out, great value in an in-kernel virtual machine that allows for the implementation of arbitrary policies without writing kernel code. A recent patch set pushing BPF into networking drivers shows some of the potential of this mechanism — and the difficulty of designing its integration in a way that will stand the test of time. If it is successful, it may change the way high-performance networking is done on Linux systems.

KDE Presents its Vision for the Future

Tuesday 5th of April 2016 07:24:30 PM
The KDE project has released a vision statement, a single sentence that sums up what the project would like to achieve: A world in which everyone has control over their digital life and enjoys freedom and privacy. "Our vision unites KDE in common purpose. It sets out where we want to get to, but it provides no guidance on how we should get there. After finalizing our vision (the "what"), we have immediately started the process of defining KDE's Mission Statement (the "how"). As with all things KDE, you are invited to contribute. You can easily add your thoughts on our mission brainstorming wiki page." (Thanks to Paul Wise)

Security updates for Tuesday

Tuesday 5th of April 2016 04:28:35 PM

Arch Linux has updated optipng (code execution).

Debian has updated mercurial (three vulnerabilities) and roundcube (code execution).

Fedora has updated krb5 (F22: null pointer dereference) and vtun (F23; F22: denial of service).

Gentoo has updated xen (multiple vulnerabilities, some from 2012).

openSUSE has updated ghostscript (Leap42.1: buffer overflow).

Red Hat has updated nss, nss-util, nspr (RHEL6: two vulnerabilities).

Slackware has updated thunderbird (multiple vulnerabilities).

SUSE has updated xen (SLE11-SP4: multiple vulnerabilities, some from 2013).

Ubuntu has updated libav (12.04: multiple vulnerabilities) and xchat-gnome (man-in-the-middle attack).

Garrett: There's more than one way to exploit the commons

Tuesday 5th of April 2016 12:35:15 PM
Matthew Garrett's take on the Debian-XScreenSaver disagreement is worth a read. "Free software doesn't benefit from distributions antagonising their upstreams, even if said upstream is a cranky nightclub owner. Debian's users are Debian's highest priority, but those users are going to suffer if developers decide that not using free licenses improves their quality of life. Kneejerk reactions around specific instances aren't helpful, but now is probably a good time to start thinking about what value Debian bring to its upstream authors and how that can be increased."

New Linux-based effort to support global civil infrastructure demands

Monday 4th of April 2016 10:29:02 PM
The Linux Foundation has announced the Civil Infrastructure Platform, "an open source framework that will provide the software foundation needed to deliver essential services for civil infrastructure and economic development on a global scale." Civil infrastructure systems deliver critical services such as electric power, oil and gas, water, health care, communications, transportation and more. "The Civil Infrastructure Platform will aim to work upstream with the Linux kernel and other open source projects to establish a “base layer” of industrial-grade software. This base layer will enable the use of software building blocks that meet safety, security, reliability and other requirements that are critical to industrial and civil infrastructure projects."

Security advisories for Monday

Monday 4th of April 2016 04:39:32 PM

Arch Linux has updated squid (denial of service).

Debian has updated lhasa (code execution) and srtp (denial of service).

Fedora has updated apache-commons-collections (F23; F22: code execution), bind (F22: multiple vulnerabilities), bind99 (F22: multiple vulnerabilities), and NetworkManager (F23: multiple vulnerabilities).

Gentoo has updated qemu (multiple vulnerabilities) and xalan (code execution from 2014).

openSUSE has updated krb5 (13.2: null pointer dereference).

Oracle has updated openssh (OL5: two vulnerabilities).

Scientific Linux has updated krb5 (SL7: three vulnerabilities) and mariadb (SL7: multiple vulnerabilities).

Slackware has updated mercurial (three vulnerabilities) and php (multiple vulnerabilities).

Kernel prepatch 4.6-rc2

Sunday 3rd of April 2016 02:34:40 PM
Linus has released the second 4.6 prepatch. "You all know the drill by now - another week, another rc. I'd say that things look fairly normal at this point: it's not a big rc2, but that's been true lately (rc3 tends to be a bit bigger - probably just because it takes time for people to start noticing issues)."

More in Tux Machines

Leftovers: Ubuntu

  • Ubuntu-based Smartphones And Tablets Sound Good, On Paper, But...Do They Make Any Sense?
    As I previously stated in a recent article, I'm a huge fan of Ubuntu as a desktop operating system. It's friendly, reliable, consumes little resources and is largely virus-free.
  • Elementary OS 0.4 ‘Loki’ expected to be based on Ubuntu 16.04
    Elementary OS 0.4 ‘Loki’ coming soon, to be based on Ubuntu 16.04 and have plenty of new features
  • BQ Aquaris M10 Ubuntu Edition tablet - The heat is on
    Some investments are financial. Some are emotional. When it comes to Linux on tablets, my motives are mostly of the latter kind. I was super-excited to learn BQ was launching a tablet with Ubuntu, something that I have been waiting for a good solid three years now. We had the phone released last spring, and now there's a tablet. The cycle is almost complete. Now, as you know, I was only mildly pleased with the Ubuntu phone. It is a very neat product, but it is not yet as good as the competitors, across all shades of the usability spectrum. But this tablet promises a lot. Full HD, desktop-touch continuum, seamless usage model, and more. Let us have a look.
  • Kubuntu-16.04 — a review
    The kubuntu implementation of Plasma 5 seems to work quite well. It’s close to what I am seeing in other implementations. It includes the Libre Office software, rather than the KDE office suite. But most users will prefer that anyway. I’m not a big fan of the default menu. But the menu can easily be switched to one of the alternative forms. I’ve already done that, and am preferring the “launcher based on cascading popup menus”. If you are trying kubuntu, I suggest you experiment with the alternative formats to see which you prefer.
  • Ubuntu 16.04 LTS Review: Very Stable & Improved, Buggy Software Center, Though
    In almost all the occasions that I tested Ubuntu LTS releases, quite rightly so, they’ve always worked better than the non-LTS releases. And this Ubuntu 16.04 LTS, the 6th of such release is no exception. This one actually is even more impressive than the others because it has addressed some security related issues and even although not critical, subtle issues that I mentioned in the review. As far as the performance was concerned, Ubuntu 16.04 LTS was only largely outperformed by the memory usage where there is a large increase in memory usage. Other than that, those numbers look pretty good to me. That ‘.deb’ file issues with the Software Center is the only major concern that I can come up with. But I’m sure it’ll be fixed very soon.

Devuan Beta, Stumbling Tumbleweed, Ubuntu Too

Today in Linux news Debian-fork Devuan is forging ahead with its plans to create a distribution offering init freedom by releasing a beta for testers. Douglas DeMaio posted today that openSUSE Tumbleweed snapshots have halted due to glibc upgrade rebuilds. Dedoimedo reviewed the BQ Aquaris M10 and posted of another Ubuntu laptop for sale. And finally, the Hectic Geek reviewed Ubuntu 16.04 and Neil Rickert reviewed Kubuntu 16.04. Read more Also: Devuan releases beta Devuan Jessie - beta release announcement

Devuan Jessie beta released

dear Init Freedom Lovers, once again the Veteran Unix Admins salute you. As promised two years ago with the first declaration of Exodus from Debian, today we can proudly state: we do not go gentle into that good night. Now has come the time to announce the Beta release of Devuan. Debian GNU+Linux is a fork of Debian without systemd, on its way to become much more than that. This Beta release marks an important milestone towards the sustainability and the continuation of Devuan as an universal base distribution. Read more Also: Beta Released Of Devuan, The Systemd-Free Version Of Debian