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anonymous

Ubuntu Server: Kernel Configuration Considerations - ServerWatch.com - 0 views

  • Preemption The server kernel has kernel preemption turned off (CONFIG_PREEMPT_NONE=y), while the desktop kernel has it enabled (CONFIG_PREEMPT_BKL=y, CONFIG_PREEMPT_VOLUNTARY=y). Preemption works along with scheduling to fine-tune performance, efficiency and responsiveness. In non-preemptive kernels, kernel code runs until completion; the scheduler can't touch it until it's finished. But the Linux kernel allows tasks to be interrupted at nearly any point (but not when it is unsafe, which is a whole huge fascinating topic all by itself), so that tasks of lesser-priority can jump to the head of the line. This is appropriate for desktop systems because users typically have several things going at once: writing documents, playing music, Web surfing, downloading and so on. Users don't care how responsive background applications are; they care only about the ones they're actively using. So if loading a Web page takes a little longer while the user is writing an e-mail, it's an acceptable trade-off. Overall efficiency and performance are actually reduced but not in a way that annoys the user. On servers you want to minimize any and all performance hits, so turning off preemption is usually the best practice.
Josef Jezek

How to synchronize with SSH | Chunhao's Blog - 4 views

  • #!/bin/sh sshfs -o workaround=rename username@sshserver:/path/html/wiki wiki-remote/ echo "Synchronising with sshserver" unison /var/www/dokuwiki/data ./wiki-remote/data \ -fastcheck yes \ -ignore 'Path cache' \ -ignore 'Path locks'
  • Modify it to fit your actual environment. Note that the argument of sshfs command “-o workaround=rename”, this prevents the “renaming problem“.
Marc Lijour

Online Masters Program Focuses on Free Software - PCWorld Business Center - 0 views

  • the Free Technology Academy (FTA) and the Free Software Foundation (FSF) just announced this week that they've teamed up on an online Master's Program in Free Software and Free Standards
  • Amsterdam-based FTA's virtual campus
  • All learning materials are published under a free license and can be accessed by anyone
  • ...3 more annotations...
  • "The FTA course materials teach people to use GNU/Linux; more than that, it teaches them to recognize why this is important," said Richard Stallman
  • include special video guest lectures
  • FTA will also provide the FSF Associate Membership with 30 discount vouchers for FTA courses each trimester.
Marc Lijour

Red Hat's "obfuscated" kernel source [LWN.net] - 3 views

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    Several readers have pointed out this interview with Maximilian Attems, posted by Raphaël Hertzog. Therein, Maximilian states that, while the cross-distribution cooperation on the 2.6.32 kernel has been a great thing, Red Hat is making things harder by shipping its RHEL 6 kernel source as one big tarball, without breaking out the patches. Your editor has downloaded the 2.6.32-71.14.1.el6 source package and verified that this is the case.
janina smith

Online Computer Assistance Only from the Best - 2 views

I am an online writer and my boss would regularly ask me to submit as much as 10 articles daily. I often experience computer trouble, and I am having a hard time looking for a local computer techni...

computer assistance

started by janina smith on 31 Jul 11 no follow-up yet
Luciano Ferrer

6 of the Best Free Linux Screencasting Software - Linux Links - The Linux Portal Site - 0 views

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    "recordMyDesktop Captures audio-video data of a Linux desktop session Byzanz Small and compact screencast creator pyvnc2swf Screen recording tool with Flash (SWF) output xvidcap Standards-based alternative to tools like Lotus ScreenCam Istanbul Desktop session recorder producing Ogg Theora video Wink Tutorial and presentation creation software"
Kilron Keit

Pay Per Click Advertising Company | Google Pay Per Click Advertising: Start Now Right A... - 0 views

The achievement of more than a few pay per click advertising companies campaign depends on technique it is considered. Assortment of keywords, advertisement copy, location, and conversion managemen...

google ppc management companies google ppc expert companies get ppc experts google ppc management google advertising expert get PPC expert reviews get ppc expert Google Advertising companies

started by Kilron Keit on 31 Dec 15 no follow-up yet
Effective Communication

Linux on Chromebook reviews - Phoronix - 0 views

  • Phoronix articles, reviews and news stories covering Chromebook. This searches our archive
jdr santos

Should Microsoft apologize for Windows 10 update fail? | Computerworld - 2 views

  • Presumably, it includes a fix for said problems. But Microsoft's new SOP is to say as little as possible about the contents of these patches -- and that very secrecy is in itself a focus for ire.
    • jdr santos
       
      ... and what about getting a "real" operating system: Linux ?!
krowddigital

Why and where you should use flutter for app development - 3 views

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    In this article, we will provide insight into applications for which you can use Flutter App Development and when and how to do it
krowddigital

Angular Vs React, which is the best JavaScript Framework? - 1 views

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    Are you unsure which JavaScript is best for your application? Or are you confused between angular Js and js? This article will explain the differences between angular Js and React Js.
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