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Updated: 1 hour 42 min ago

LinuxToday: SSH Password Testing With Hydra on Kali Linux

Thursday 23rd of February 2017 07:00:00 PM

LinuxConfig: Hydra has options for attacking logins on a variety of different protocols, but in this instance, you will learn about testing the strength of your SSH passwords.

Reddit: Do daily builds of Ubuntu allow me to upgrade via terminal

Thursday 23rd of February 2017 06:46:31 PM

Can i upgrade to beta or stable release when it comes in April or upgrade to 17.10 in October. Also does the 17.04 daily builds have unity 8

submitted by /u/JonTheAndroid
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LXer: Open Source Networking: Disruptive Innovation Ready for Prime Time

Thursday 23rd of February 2017 06:42:36 PM
Innovations are much more interesting than inventions.  The “laser” is a classic invention and “FedEx” is a classic innovation.  Successful innovation disrupts entire industries and ecosystems as we’ve seen with Uber, AirBnB, and Amazon to name just a few.   The entire global telecommunication industry is at the dawn of a new era of innovation.  Innovations should be the rising tide in which everybody wins except what’s referred to as “laggards.”   Who are the laggards going to be in this new era of open communications?  You don’t want to be one.

Phoronix: RadeonSI Shader Cache May Be Flipped On By Default

Thursday 23rd of February 2017 06:10:31 PM
On Wednesday the RadeonSI/R600g shader cache landed for on-disk caching of TGSI IR while one day later the caching is already being expanded and may soon be enabled by default...

LXer: How does the PocketCHIP compare to the Raspberry Pi?

Thursday 23rd of February 2017 05:33:59 PM
When the Raspberry Pi hit the tech scene, it made a huge impact. It wasn't the first tiny computer, by any means—the Chumby, the PogoPlug, and other hackable systems on chips preceded it—but there hadn't been anything quite so intentionally open and affordable as the Pi. You didn't have to hack the Pi, you just put an OS on an SD card, booted, and you were running an open source computer. The computer you were running only used a dozen watts of power, and it wasn't encased in a bulky plastic body that would end up in the landfill when you decided to more

Phoronix: NVIDIA vs. Radeon With HITMAN On Linux: CPU Usage, Memory Usage

Thursday 23rd of February 2017 05:23:29 PM
With the competitive RadeonSI vs. NVIDIA performance for HITMAN on Linux there have been some Premium reader requests for also taking a look at the CPU/RAM usage and other vitals while running this latest Feral game port on the different GPUs/drivers...

Reddit: Do we really need swap on modern systems?

Thursday 23rd of February 2017 05:08:28 PM

Reddit: Video of Linus talking smack about innovators

Thursday 23rd of February 2017 05:08:05 PM 3 Security Features to Consider When Choosing a Linux Workstation

Thursday 23rd of February 2017 05:00:46 PM

Learn how to work from anywhere and keep your data, identity, and sanityDOWNLOAD NOW

If your systems administrators are remote workers, you may wish to establish a set of guidelines to help ensure that their workstations pass core security requirements. This will help reduce the risk that they become attack vectors against the rest of your IT infrastructure.

LinuxToday: Storj Labs Advances Blockchain Based Encrypted Storage

Thursday 23rd of February 2017 05:00:00 PM

eWEEK: Storj Labs announces new funding and general availability of its crowdsourced distributed storage platform, that lets anyone in the world sell their unused storage capacity, securely as part of an open marketplace.

Phoronix: Google Rolling Out New Ignition + TurboFan V8 Compiler Architecture

Thursday 23rd of February 2017 04:46:12 PM
The JavaScript engine performance wars are not over with Google preparing to make some significant changes to their V8 JavaScript engine used by Chrome and friends... Using Open Source Software to Speed Development and Gain Business Advantage

Thursday 23rd of February 2017 04:30:27 PM
Title: Using Open Source Software to Speed Development and Gain Business Advantage23 FebLearn more

LXer: 3 mind mapping tools in Fedora

Thursday 23rd of February 2017 04:25:22 PM
In a previous Magazine article, we covered tracking your time and tasks. In that article we mentioned some mind mapping tools. Now we’ll cover three mind mapping apps you can use in Fedora. You can use these tools to generate and manipulate maps that show... Continue Reading →

Reddit: Ten Exciting Features Of The Linux 4.10 Kernel

Thursday 23rd of February 2017 04:01:12 PM Master the Open Cloud with Free, Community-Driven Guides

Thursday 23rd of February 2017 04:00:55 PM
Title: Master the Open Cloud with Free, Community-Driven Guides23 FebLearn more

Reddit: Check if super key is down

Thursday 23rd of February 2017 03:58:33 PM

Is it possible to check if the super key is pressed? I'm running Arch Linux with i3 and I'd like my bar to be different when I'm pressing the super key and when I'm not. Thanks

submitted by /u/pedrocb
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Reddit: Pulseaudio with two audio devices at 100% CPU. Driving either device alone needs only 3-5% CPU.

Thursday 23rd of February 2017 03:47:25 PM

Hello. I have an older i3-540 machine with two audio devices: Device #0 is HDA Intel played through HDMI. Device #1 is a CS46xx (old Turtle Beach sound card). The HDMI audio is used by Kodi. The other audio device is used by a separate audio player and goes to other rooms. I'm seeing normal CPU usage when either of the audio devices is in use but unusually high CPU usage when both are in use.

At first, I thought Kodi might be the culprit since it recently upgraded to v17. But I can reproduce the problem with two instances of mpg123 (Kodi not running) which perhaps suggests that it doesn't matter which audio client is used. Here's a quick rundown of what I'm seeing:

  • one mpg123 process targeting either device -- 'pulseaudio' process sits at 3-5% CPU
  • two mpg123 processes, both targeting device #0 or #1 (using pulse's muxer) -- 'pulseaudio' process sits at ~5% CPU
  • two mpg123 processes, each targeting a different device -- 'pulseaudio' process sits at 100% CPU until I kill one of the mpg123 processes.

Since I can play audio through each individual device fine it suggests that it's not a problem with the low-level audio drivers. The only time things go sideways is when both audio devices are active. I've tried the "tsched=0" trick with no noticeable improvement.

Is there a known problem getting pulseaudio to play nicely with two or more audio devices?

System details: Ubuntu 16.04 4.4.0-64-generic x86-64 kernel i3-540 CPU

submitted by /u/imakesawdust
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Phoronix: Heterogeneous Memory Management Isn't Ready For Linux 4.11

Thursday 23rd of February 2017 03:24:12 PM
Jerome Glisse and others have been working on the rather cool Heterogeneous Memory Management support for the Linux kernel going back several years. While Jerome hoped to see HMM merged for Linux 4.11, it will be sitting out at least one more cycle...

More in Tux Machines

Development News: LLVM, TensorFlow

  • The New Features Of LLVM 4.0 & Clang 4.0
    LLVM/Clang 4.0 are running a few days behind schedule but should be released in the very near future. With that said, here's our usual look at the new features of this next compiler infrastructure and C/C++ compiler front-end updates.
  • 3 cool machine learning projects using TensorFlow and the Raspberry Pi
    In early 2017, the Raspberry Pi Foundation announced a Google developer survey, which requested feedback from the maker community on what tools they wanted on the Raspberry Pi. The blog post says that Google has developed tools for machine learning, IoT, wearables, robotics, and home automation, and that the survey mentions face- and emotion-recognition, speech-to-text translation, natural language processing, and sentiment analysis. "The survey will help them get a feel for the Raspberry Pi community, but it'll also help us get the kinds of services we need," the post explains. Meanwhile, data scientists aren't waiting around to put Google's TensorFlow, an open source software library for machine learning, to work on the Raspberry Pi. Let's take a look at a few cool examples of machine learning with TensorFlow on the Raspberry Pi.

Security Leftovers

Linux Graphics

Games for GNU/Linux

  • MAME 0.183 Open-Source Arcade Machine Emulator Supports Incredibly Rare Systems
    The developers of the open-source and multi-platform MAME (Multiple Arcade Machine Emulator) computer emulator application announced the availability of MAME 0.183. MAME 0.183 is a maintenance and feature release of the software project that promises to add numerous functionality improvements, a bunch of bug fixes, and some new additions, such as support for some incredible rare systems, including Omega, Dodge Man, Flash Boy, Sega Sonic Cosmo Fighter, Galaxy Games StarPak 3, and Puzznic.
  • Some thoughts on Realpolitiks, a real-time grand strategy game now on Linux
    Realpolitiks [Steam, Official Site] is a new real-time (with pausing) grand strategy game from Jujubee S.A. and I was sent a key by the developer to be able to take a look. It does have a demo available on Steam, so it will be worth taking a look to see if it's your thing. A couple of things to note first of all: The game seems to be locked to 60FPS and you cannot adjust the scrolling speed or the interface at all. I actually found the text a bit too small, which didn't help my enjoyment of it.
  • Narita Boy, an absolutely incredible looking 2D scroller with RPG elements is on Kickstarter
  • Trying The SteamVR Beta On Linux Feels More Like An Early Alpha
    This past week Valve brought SteamVR on Linux into public beta. With watching the constant hype around VR on Windows, I was quite excited to finally give VR a try with having lined up an HTC Vive for testing and currently Oculus or others not offering current Linux support. I was thinking that I would have some large GPU/driver comparisons and such completed this weekend, but once actually setting up the hardware and software, I realized that wasn't going to be feasible in such short time. So for those interested in the Linux VR space, here are some of my first impressions and why I would consider the current SteamVR more like an alpha release than beta, just yet another struggle Linux gamers face, and another obstacle to overcome if Linux is to be a more serious competitor to Windows in the gaming space.