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LXer: Opening Minds to the Spheres Among Us

Thu, 03/04/2014 - 9:34am
Linux can't be understood in terms of hierarchy. Neither can the Internet. That's because both are examples of heterarchy at work.

Phoronix: NVIDIA's Tegra K1 Jetson Will Be A Late April Debut

Thu, 03/04/2014 - 8:53am
In late March NVIDIA unveiled the Tegra K1 Jetson development board as a very exciting quad-core Cortex-A15 with NVIDIA's fifth companion core while also leveraging a Kepler GPU with 192 CUDA cores, Serial ATA support, USB 3.0 support, and other features. This exciting ARM development board will begin shipping later this month for less than $200 USD...

LXer: Humble Bundle: PC and Android 9 Features Five Great Linux Games

Thu, 03/04/2014 - 8:37am
A new Humble Bundle collection of games called PC and Android 9 has been released, packing no less than five games ready for Linux.

TuxMachines: KDE Releases Alpha Version of Next-gen Plasma Workspace

Thu, 03/04/2014 - 7:45am

KDE today releases the first Alpha version of the next-generation Plasma workspace. This kicks off the public testing phase for the next iteration of the popular Free software workspace, code-named "Plasma Next" (referring to the 'next' Plasma release-see below "A note on versioning and naming"). Plasma Next is built using QML and runs on top of a fully hardware-accelerated graphics stack using Qt 5, QtQuick 2 and an OpenGL(-ES) scenegraph. Plasma Next provides a core desktop experience that will be easy and familiar for current users of KDE workspaces or alternative Free Software or proprietary offerings. Plasma Next is planned to be released as 2014.6 on the 17th of June.

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TuxMachines: Meet MediaGoblin, a Decentralized Alternative to YouTube and Flickr

Thu, 03/04/2014 - 7:41am

Running on GNU, MediaGoblin allows user to upload videos, images, audio, and other types of digital media. But, unlike YouTube, Flickr, and Soundcloud, users control their own servers. And, if Webber, Nicholson, and the rest of the MediaGoblin community have their way, each users' media will be stored on Tahoe-LAFS, an encrypted server that does not know what data it stores.

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LXer: KitKat developer tablet previews 2.7GHz Snapdragon 805

Thu, 03/04/2014 - 7:40am
Intrinsyc has launched a 10-inch developer tablet that runs Android 4.4 on a quad-core Snapdragon 805 SoC, and features 802.11ac and a 3D gesture camera.

TuxMachines: Per-Cgroup Swap File Support Proposed For Linux

Thu, 03/04/2014 - 6:57am

This small but important change would support a cgroup to swap to a particular file as setup by a new control file. This change is to allow the limiting of cgroups to a given swap file without being able to thrash the entire system's swap file. With this set of three patches, individual cgroups can be limited in their swap capacity.

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LXer: Canonical to Shut Down Ubuntu One

Thu, 03/04/2014 - 6:42am
Earlier today, Jane Silber, the CEO of Canonical, the company behind Ubuntu, announced in an official blog post that the Ubuntu One service will be closed, and those who have subscriptions will have their money refunded. This is some sad news for those of us who are using this service.

TuxMachines: Linux Kernel Developers Fed Up With Ridiculous Bugs In Systemd

Thu, 03/04/2014 - 6:33am

When systemd sees "debug" as part of the kernel command-line, it will spit out so much informaiton about the system that it fails to boot... The init system just collapses the system with too much information being sent to the dmesg when seeing the debug option as part of the kernel command-line parameter. Within the systemd bug report it was suggested for systemd not to look for a simple "debug" string to go into its debug mode but perhaps something like "systemd.debug" or other namespaced alternatives. The debug kernel command-line parameter has been used by upstream Linux kernel developers for many years. However, upstream systemd developers don't agree about changing their debug code detection. Kay Sievers of Red Hat wrote, "Generic terms are generic, not the first user owns them."

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TuxMachines: Free Your Files, Learning Linux, and Red Hat Jobs

Thu, 03/04/2014 - 6:26am

The Document Foundation today announced a new initiative "to free users from vendor lock-in of contents." In other news, Red Hat jobs are in the news today. Jack M. Germain asked various people if they could live the pure Open Source life. And TuxArena.com has a few tips for those wishing to learn Linux.

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Reddit: Ghetto cgroups

Thu, 03/04/2014 - 6:12am

Something I found.

Say you want to track child processes but for whatever reason can't use cgroups (no permissions, etc)

Set an environment variable when you start the target process

GROUP=my_ghetto_group mad_spawning_process

Then when you want to do something to them say kill them all.

kill_group() { signal=$1; target_group=$2; for pid in $(ls /proc/ | grep '^[0-9]'); do if [[ -r "/proc/$pid/environ" ]]; then group="$(sed 's/\x00/\n/g' < "/proc/$pid/environ" | grep '^GROUP=' | sed 's/^GROUP=//')" if [[ $group == $target_group ]]; then echo "Killing $signal $pid: ($(cat "/proc/$pid/cmdline" | sed "s/\x00/ /g"))" kill $signal $pid fi fi done } kill_group -SIGTERM my_ghetto_group

Obviously there are problems if process fork while your looking at it but it seems to work well enough.

submitted by w2qw
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Phoronix: Per-Cgroup Swap File Support Proposed For Linux

Thu, 03/04/2014 - 6:02am
Published on the Linux kernel mailing list for review on Wednesday was per-cgroup swap file support...

LXer: Why I’m glad I never abandoned Android for an iPhone

Thu, 03/04/2014 - 5:45am
I've written about and reviewed mobile phones for almost a decade and a half. Everything from flip phones, to BlackBerrys, to today's hottest Android models, and yes, Apple iPhones, have passed through my hands. That experience is why, more than anything, I've ultimately settled on Google Android as my smartphone platform of choice.

Reddit: Can print test page but nothing else

Thu, 03/04/2014 - 5:34am

I have a receipt printer (M-T532AP) I have been able to print the test page from the cups web interface and I can print using "lp <text file>".

I have tried printing from a web browser and a text editor with no luck. I have tried reinstalling cups and the driver with no luck.

I have access to a linux box where the printer is working, (i didn't set it up) I tried to retrace the steps of what the old tech did to get it working with no luck.

The two error messages that I am getting are "Can't feed job data into ghostscript" and "filter failed"

The working machine is running Ubuntu 12.04 The machine I am trying to get working is Lbuntu 13.10

Any help that could be provided would be great

submitted by 42blanchie
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