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Linux

Fail0verflow Demos Linux & Steam Running on PlayStation 4 Firmware 4.05 at 33C3

Filed under
Linux
Gaming

2016 ended in big style for hackers and security researchers from all over the world, who gathered together at the well-known Chaos Communication Congress (33c3) annual event organized by the Chaos Computer Club (CCC) of Germany

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GNU/Linux CVEs

Filed under
GNU
Linux
Security
  • Android, Debian & Ubuntu Top List Of CVE Vulnerabilities In 2016[Ed: while Microsoft lies]

    On a CVE basis for the number of distinct vulnerabilities, Android is ranked as having the most vulnerability of any piece of software for 2016 followed by Debian and Ubuntu Linux while coming in behind them is the Adobe Flash Player.

    The CVEDetails.com tracking service has compiled a list of software with the most active CVEs. The list isn't limited to just operating systems but all software with Common Vulnerabilities and Exposures.

  • Using systemd for more secure services in Fedora

    The AF_PACKET local privilege escalation (also known as CVE-2016-8655) has been fixed by most distributions at this point; stable kernels addressing the problem were released on December 10. But, as a discussion on the fedora-devel mailing list shows, systemd now provides options that could help mitigate CVE-2016-8655 and, more importantly, other vulnerabilities that remain undiscovered or have yet to be introduced. The genesis for the discussion was a blog post from Lennart Poettering about the RestrictAddressFamilies directive, but recent systemd versions have other sandboxing features that could be used to head off the next vulnerability.

    Fedora project leader Matthew Miller noted the blog post and wondered if the RestrictAddressFamilies directive could be more widely applied in Fedora. That directive allows administrators to restrict access to the network address families a service can use. For example, most services do not require the raw packet access that AF_PACKET provides, so turning off access to that will harden those services to some extent. But Miller was also curious if there were other systemd security features that the distribution should be taking advantage of.

Finding an Alternative to Mac OS X

Filed under
GNU
Linux
Mac

This is a team that values the same things I do. The interface is clean and refined. The pre-installed application selection is minimal and each one feels like a perfect piece of the system.

The main drawback of Elementary to me is that it’s built on top of Ubuntu LTS. As time goes on all the packages get further from the current versions published upstream. I’d much rather a regular release like Fedora (6 months) or a rolling release like Arch.

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Phones and TIzen

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Linux
  • Are We Near 'Peak Screen Size' for Smartphone Screen Growth? Is 6 Inches Too Big?

    As I was working on the stats for the TomiAhonen Phone Book 2016 (was released last Friday if you missed the blog while on winter vacation), I did my various updates to the numbers. And I added more detail as I tend to do (now there is a separate chart just about the screen size growth over the past decade). And it had me thinking about the screen size issue again. Those who have read my blog for many years remember that three years ago I postulated my hypothesis that 'Screen Size Trumps Everything' and that turned out to be a pretty sharp blog of considerable insights and we saw even Apple finally agree to release its phablet screen size iPhone 6 Plus model etc.. It also predicted a growth in smartphone screen sizes. Now we may have reached the zenith of that evolution path. We are likely near the peak of how far screen sizes for the current form-factor smartphone concepts can grow. It is like my friend Christian Lindholm predicted back in 2007, that the physical dimensions of the gadget work with the human dimensions - our fingers typically - and the other restraints like sizes of our pockets and something a bit bigger than 5 inches was where Christian back then (in 2007 the largest phone screen size was the freshly-released iPhone with its massive 3.5 inches). The most popular premium and mid-range phone models sold today tend to be in that 5 inch size range say between 4.5 and 5.5 inches, and very few sell in any meaningful numbers in the over-6 inch range even though the 'phablet' size screen has now been around for us for five years. We seem to have now discovered the 'sweet spot'. So its time for me to speculate again. I think we have arrived at a kind of at least-temporary plateau and possibly the peak of how far this phone form factor will grow in screen size. We may see NEW form factors (Samsung rumored to give us a foldable screen, that folds like a book to give us twice the screen size in the same pocket size). But lets explore the evolution of the screen size. And good news: I have been drawing PICTURES for us... Smile Isn't that nice

  • Smartphone Game: Millionaire Popular TV Game added to Tizen Store
  • Smartphone App: Good Translator app with Google Translate API released to Tizen Store

Linux and Graphics

Filed under
Graphics/Benchmarks
Linux
  • TPM2 and Linux

    Recently Microsoft started mandating TPM2 as a hardware requirement for all platforms running recent versions of windows. This means that eventually all shipping systems (starting with laptops first) will have a TPM2 chip. The reason this impacts Linux is that TPM2 is radically different from its predecessor TPM1.2; so different, in fact, that none of the existing TPM1.2 software on Linux (trousers, the libtpm.so plug in for openssl, even my gnome keyring enhancements) will work with TPM2. The purpose of this blog is to explore the differences and how we can make ready for the transition.

  • The definitive guide to synclient

    This post describes the synclient tool, part of the xf86-input-synaptics package. It does not describe the various options, that's what the synclient(1) and synaptics(4) man pages are for. This post describes what synclient is, where it came from and how it works on a high level. Think of it as a anti-bus-factor post.

  • Deus Ex: Mankind Divided is about to get ~70% better performance with RadeonSI

    Marek sent in a patch for RadeonSI that will look to increase performance of Deus Ex: Mankind Divided [Steam, Feral Store] by around 70%.

    That's incredible, seriously, that's an insanely large improvement for such a heavy game to get. Perhaps once this lands in a stable Mesa version, if it's good enough Feral might be able to officially support the game on AMD.

LinuxAndUbuntu Distro Review Of The Week - Ubuntu MATE 16.10

Filed under
Linux

Ubuntu has been the focus of Linux world for a long time. But, it received a lot of criticism when it shifted to Unity interface. The interface came kind of a shock to many devoted users of the old Ubuntu. This caused many users either to shift to other distributions or flavors of Ubuntu itself. Now, there is a similar story which many new users don’t know about.

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4 hot skills for Linux pros in 2017

Filed under
GNU
Linux

One of the problems with becoming a Linux expert is the definition is constantly changing. When I started in the Linux world, to be considered a Linux professional, you had to be able to compile your own kernel. Heck, if you wanted to use Linux on a laptop, you had to compile a custom kernel to even be a user. These days, compiling your own kernel is usually a waste of time. That's not to say it isn't important, but in the open source world we build on the successes of others, and Linux distributions provide us with kernels that work well. Although not always that drastic, the demands on IT professionals change every year.

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Linux Releases: PelicanHPC, Solus, Netrunner

Filed under
GNU
Linux

Linux and Graphics

Filed under
Graphics/Benchmarks
Linux
  • Ridiculously small Linux build lands with ridiculously few swears

    The latest Linux 4.10-rc2 build nearly didn't happen because L-triptophaniac developers were Christmassing, but Linux Torvalds decided to set it free as a New Year treat.

    Explaining the build, Torvalds wrote that “rc2 is ridiculously and unrealistically small. I almost decided to skip rc2 entirely, but a small little meaningless release every once in a while never hurt anybody”.

  • Linus Torvalds Announces Ridiculously Small Second Linux 4.10 Release Candidate

    The first day of 2017 starts off for Linux users with the release of the second RC (Release Candidate) development version of the upcoming Linux 4.10 kernel, as announced by Linus Torvalds himself.

    As expected, Linux kernel 4.10 entered development two weeks after the release of Linux kernel 4.9, on Christmas Day (December 25, 2016), but don't expect to see any major improvements or any other exciting things in RC2, which comes one week after the release of the first RC, because most of the developers were busy partying.

  • Radeon R9 290 Testing Update With Linux 4.10, AMDGPU-PRO 16.50
  • RadeonSI Patches Boost Deus Ex: MD Performance By ~70%

    Marek Olšák is off to a good start with performance optimizations of the RadeonSI Gallium3D open-source driver stack in 2017.

Ringing in 2017 with 90 hacker-friendly single board computers

Filed under
Android
Linux
OSS

Our New Year’s guide to hacker-friendly single board computers turned up 90 boards, ranging from powerful media playing rigs to power-sipping IoT platforms.

Community backed, open spec single board computers running Linux and Android sit at the intersection between the commercial embedded market and the open source maker community. Hacker boards also play a key role in developing the Internet of Things devices that will increasingly dominate our technology economy in the coming years, from home automation devices to industrial equipment to drones.

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