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sysstat

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    This subchapter looks at sysstat, a server package.

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sysstat

    This subchapter looks at sysstat, a server package.

package

    sysstat is a server toolset originally created by Sebastien Godard.

    Download sysstat from http://pagesperso-orange.fr/sebastien.godard/download.html.

    The most famous tools ar iostat, pidstat, and sar.

    iostat reports CPU statistics and input/output statistics for devices, partitions and network filesystems.

    mpstat reports individual or combined processor related statistics.

    pidstar reports statistics for Linux tasks (processes) : I/O, CPU, memory, etc.

    sar collects, reports and saves system activity information (CPU, memory, disks, interrupts, network interfaces, TTY, kernel tables,etc.)

    sadc is the system activity data collector, used as a backend for sar.

    sa1 collects and stores binary data in the system activity daily data file. It is a front end to sadc designed to be run from cron.

    sa2 writes a summarized daily activity report. It is a front end to sar designed to be run from cron.

    sadf displays data collected by sar in multiple formats (CSV, XML, etc.) This is useful to load performance data into a database, or import them in a spreadsheet to make graphs.

    nfsiostat reports input/output statistics for network filesystems (NFS).

    cifsiostat reports CIFS statistics.


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free music player coding example

    Coding example: I am making heavily documented and explained open source code for a method to play music for free — almost any song, no subscription fees, no download costs, no advertisements, all completely legal. This is done by building a front-end to YouTube (which checks the copyright permissions for you).

    View music player in action: www.musicinpublic.com/.

    Create your own copy from the original source code/ (presented for learning programming).


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free book on UNIX/Linux System Administration

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    Copyright © 2012 Milo

    Created: July 12, 2012

    Last Updated: July 12, 2012


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