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Updated: 1 hour 39 min ago

Reddit: question about Linux on chromebooks

Friday 2nd of January 2015 10:30:29 PM

I will preface by saying I am not a Linux user, but a Windows user. I have a couple Linux devices, like a Raspberry Pi, but I usually only know enough to follow some instructions and get something working.

I was given a task which the ultimate goal is "get minecraft running on this chromebook". It is an Acer Chromebook 11.

Following a few online examples (unsure if their instructions are still relevant) I had some frustrations, and minimal success. First trying the ChrUbuntu method to dual boot, which seemed to work, but then after reboot, ctrl+l did nothing to boot legacy, only ctrl+d worked to load default, which was ChromeOS.

Wiped the chromebook back to factory using a reset USB key, and then I attempted to try the Crouton method. This worked as far as getting Linux running, but I am unsure what to do from there. I downloaded and (I think) installed Java using instructions from sun for installing java on Linux, which really just seemed to be as much as unpacking the downloaded file into a directory. However I can't seem to run the minecraft.jar file. I don't see anyway to link it to java, and trying to open it just opens in it the Linux archive viewer to see the internal contents.

Any suggestions on how I could get this to run properly? I am ok with having to start over again if needed and wipe back to factory settings.

submitted by TheFotty
[link] [2 comments]

Slashdot: Red Hat Engineer Improves Math Performance of Glibc

Friday 2nd of January 2015 10:01:00 PM
jones_supa writes: Siddhesh Poyarekar from Red Hat has taken a professional look into mathematical functions found in Glibc (the GNU C library). He has been able to provide an 8-times performance improvement to slowest path of pow() function. Other transcendentals got similar improvements since the fixes were mostly in the generic multiple precision code. These improvements already went into glibc-2.18 upstream. Siddhesh believes that a lot of the low hanging fruit has now been picked, but that this is definitely not the end of the road for improvements in the multiple precision performance. There are other more complicated improvements, like the limitation of worst case precision for exp() and log() functions, based on the results of the paper Worst Cases for Correct Rounding of the Elementary Functions in Double Precision (PDF). One needs to prove that those results apply to the Glibc multiple precision bits.

Read more of this story at Slashdot.

TuxMachines: today's howtos

Friday 2nd of January 2015 09:41:03 PM

TuxMachines: Leftovers: Gaming

Friday 2nd of January 2015 09:39:55 PM

Reddit: Toward Civil Behavior

Friday 2nd of January 2015 09:27:26 PM

LXer: Installation and getting started guide with Amazon Glacier storage on the Linux system

Friday 2nd of January 2015 09:23:37 PM
Glacier is a low cost cloud storage provided by Amazon Web Services. There are certain time limitation when retrieving your data so be sure that this is a right service for you before you decide to use Amazon Glacier service. Generally Amazon Glacier service is great for all digital archiving and backup needs, where the archived files do not need to be retrieved instantly.

TuxMachines: Improving math performance in glibc

Friday 2nd of January 2015 09:06:09 PM

Mathematical function implementations usually have to trade off between speed of computation and the accuracy of the result. This is especially true for transcendentals (i.e. the exponential and trigonometric functions), where results often have to be computed to a fairly large precision to get last bit accuracy in a result that is to be stored in an IEEE-754 double variable.

read more

TuxMachines: Happy New Year & Browser and OS stats for 2014

Friday 2nd of January 2015 09:01:36 PM

LQ ISO recently surpassed 55,000,000 Linux downloads

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Reddit: MakuluLinux Survey Time !

Friday 2nd of January 2015 08:49:19 PM

Reddit: Design of a vim like text editor

Friday 2nd of January 2015 07:24:10 PM

TuxMachines: Deciso Launches OPNsense, a New Open Source Firewall Initiative

Friday 2nd of January 2015 07:16:41 PM

OPNsense combines the best of open source and closed source firewalls. It brings the rich feature set of commercial offerings with the benefits of open and verifiable sources combined with a simple BSD license. This makes OPNsense the platform of choice for users, developers and commercial partners.

Companies that want to use OPNsense to create a branded version, extend its features, or even create a fork and build upon the same codebase are allowed to do so under the 2-clause BSD license.

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TuxMachines: “Average” Users

Friday 2nd of January 2015 07:13:07 PM

Users of GNU/Linux don’t even need to read the GPL to be legal and can probably forget about malware and possibly even firewalls in their homes. They can leave that to the router if at all. The average user doesn’t have to install much software at all as most desktop distros include a web browser that people want to use, multimedia software and an office productivity suite like LibreOffice.

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Phoronix: GNOME MultiWriter: Easy Duplication Of Many USB Devices

Friday 2nd of January 2015 07:12:01 PM
Richard Hughes' latest announcement isn't of another open-source hardware project but rather a new GNOME software application...

TuxMachines: 4MRescueKit

Friday 2nd of January 2015 07:08:12 PM

4MRescueKit provides its users with software for antivirus protection, data backup, disk partitioning, and data recovery. It is distributed in the form of a multiboot CD, which includes four (extremely small) operating systems. Each of the systems tries to follow the UNIX philosophy (Small is beautiful. Make each program do one thing well).

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TuxMachines: FOSS' Shining Moments of 2014

Friday 2nd of January 2015 07:05:08 PM

Well we're into the last few days of 2014 here in the Linux blogosphere, and fortunately the tequila supplies down at the Broken Windows Lounge continue to hold strong.

The weather outside may be frightful, but the refreshments -- like the software -- remain nothing short of delightful.

It didn't take long for bloggers to slip into a sentimental mood as they reminisced about the waning year, and a heartening post from Jim Zemlin over at only helped things along.

"2014 was a tipping point where companies decided there was too much software to write for any one company to do it by themselves," Zemlin wrote. "They are shedding commodity software R&D by investing in 'external R&D' with open source.

Also: A FOSS Wish List for 2015

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TuxMachines: Krita Receives Artist Choice Award from ImagineFX

Friday 2nd of January 2015 07:02:42 PM

Make sure to check out the January 2015 issue of ImagineFX where Krita receives the Artist Choice award! That’s appreciation with a vengeance! ImagineFX is the #1 resource for concept artists and illustrators in the entertainment industry. It is a great resource if you are looking to level up your art skills.

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Phoronix: Red Hat Work On Improving Glibc Math Performance

Friday 2nd of January 2015 07:02:07 PM
Siddhesh Poyarekar of Red Hat has written a blog post about how he's improved the multi-precision number math performance for glibc...

More in Tux Machines

Wireless-enabled i.MX6 SBC offers remote IoT management

Eurotech’s “CPU-351-13″ SBC runs Linux on Freescale’s i.MX6 SoC, and offers ZigBee, GPS, extended temperature operation, remote IoT management, and more. Eurotech has been promoting the concept of managed Internet of Things devices long before “IoT” became the latest craze. The Yocto Linux ready CPU-351-13 single board computer is the latest of its embedded boards that can be remote controlled using its Everyware Software Framework (ESF) and Everyware Cloud Client. Other Everyware-enabled products from Eurotech include last year’s Intel Atom E3800 based Catalyst BT module. Read more

Today in Techrights

Leftovers: Software

  • gimp-paint-studio addon soon on Gnome Software Center
    Image speaks itself. gimp-paint-studio package just got an metainfo needed for Gnome Software Center as add-on for Gimp based on related Richard Hughes' blog. The updated package will be shortly available in Rawhide and also in Fedora 21 updates-testing repository. It will not be included for Fedora 20 due to the preview release of Gnome Software lacking addons support. Next step will be contacting upstream adding that metainfo. Hopefully other add-ons maintainers for applications such as Inkscape and Blender will do the same to bring a richful experiences to users.
  • CD Audio Grabbers - Graphical Based
    CD audio grabbers are designed to extract ("rip") the raw digital audio (in a format commonly called CDDA) from a compact disc to a file or other output. This type of software enables a user to encode the digital audio into a variety of formats, and download and upload disc info from freedb, an internet compact disc database.
  • tinyfugue: Rime of the ancient adventurer

today's howtos