mirror of
https://github.com/Zeckmathederg/glfs.git
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375 lines
12 KiB
XML
375 lines
12 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../../general.ent">
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%general-entities;
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<!ENTITY sysstat-download-http "https://sysstat.github.io/sysstat-packages/sysstat-&sysstat-version;.tar.xz">
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<!ENTITY sysstat-download-ftp " ">
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<!ENTITY sysstat-md5sum "c5cac550f88327f0a93b12f6da93a0cb">
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<!ENTITY sysstat-size "896 KB">
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<!ENTITY sysstat-buildsize "29 MB">
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<!ENTITY sysstat-time "0.1 SBU">
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]>
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<sect1 id="sysstat" xreflabel="Sysstat-&sysstat-version;">
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<?dbhtml filename="sysstat.html"?>
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<title>Sysstat-&sysstat-version;</title>
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<indexterm zone="sysstat">
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<primary sortas="a-Sysstat">Sysstat</primary>
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</indexterm>
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<sect2 role="package">
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<title>Introduction to Sysstat</title>
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<para>
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The <application>Sysstat</application> package contains utilities
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to monitor system performance and usage activity.
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<application>Sysstat</application> contains the <command>sar</command>
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utility, common to many commercial Unixes, and tools you can schedule via
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cron to collect and historize performance and activity data.
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</para>
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&lfs121_checked;
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<bridgehead renderas="sect3">Package Information</bridgehead>
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<itemizedlist spacing="compact">
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<listitem>
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<para>
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Download (HTTP): <ulink url="&sysstat-download-http;"/>
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</para>
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</listitem>
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<listitem>
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<para>
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Download (FTP): <ulink url="&sysstat-download-ftp;"/>
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</para>
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</listitem>
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<listitem>
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<para>
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Download MD5 sum: &sysstat-md5sum;
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</para>
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</listitem>
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<listitem>
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<para>
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Download size: &sysstat-size;
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</para>
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</listitem>
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<listitem>
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<para>
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Estimated disk space required: &sysstat-buildsize;
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</para>
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</listitem>
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<listitem>
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<para>
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Estimated build time: &sysstat-time;
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</para>
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</listitem>
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</itemizedlist>
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<bridgehead renderas="sect3">Sysstat Dependencies</bridgehead>
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<para role="recommended">
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There are no build-time requirements for this package; however,
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it is designed to be controlled by a cron daemon such as
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<xref linkend="fcron" role="runtime"/>.
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</para>
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</sect2>
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<sect2 role="installation">
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<title>Installation of Sysstat</title>
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<para>
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Install <application>Sysstat</application> by running the
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following commands:
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</para>
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<screen><userinput>sa_lib_dir=/usr/lib/sa \
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sa_dir=/var/log/sa \
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conf_dir=/etc/sysstat \
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./configure --prefix=/usr \
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--disable-file-attr &&
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make</userinput></screen>
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<para>
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This package does not come with a working test suite.
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</para>
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<para>
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Now, as the <systemitem class="username">root</systemitem> user:
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</para>
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<screen role="root"><userinput>make install</userinput></screen>
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<para revision="systemd">
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Install the systemd unit by running the following commands as the
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<systemitem class="username">root</systemitem> user:
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</para>
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<screen role="root" revision="systemd"><userinput>install -v -m644 sysstat.service /usr/lib/systemd/system/sysstat.service &&
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install -v -m644 cron/sysstat-collect.service /usr/lib/systemd/system/sysstat-collect.service &&
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install -v -m644 cron/sysstat-collect.timer /usr/lib/systemd/system/sysstat-collect.timer &&
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install -v -m644 cron/sysstat-rotate.service /usr/lib/systemd/system/sysstat-roate.service &&
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install -v -m644 cron/sysstat-rotate.timer /usr/lib/systemd/system/sysstat-rotate.timer &&
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install -v -m644 cron/sysstat-summary.service /usr/lib/systemd/system/sysstat-summary.service &&
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install -v -m644 cron/sysstat-summary.timer /usr/lib/systemd/system/sysstat-summary.timer</userinput></screen>
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<para revision="systemd">
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Fix the systemd unit by running the following command as the
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<systemitem class="username">root</systemitem> user:
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</para>
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<screen role="root" revision="systemd"><userinput>sed -i "/^Also=/d" /usr/lib/systemd/system/sysstat.service</userinput></screen>
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</sect2>
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<sect2 role="commands">
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<title>Command Explanations</title>
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<para>
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<envar>sa_lib_dir</envar>: This environment variable specifies the
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location of the package-specific library directory.
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</para>
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<para>
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<envar>sa_dir</envar>: This environment variable specifies the
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location of the directory containing the data files.
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</para>
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<para>
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<envar>conf_dir</envar>: This environment variable specifies the
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location of the system configuration directory.
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</para>
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<para>
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<parameter>--disable-file-attr</parameter>: Do not set attributes on
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files being installed. This parameter causes the installation to ignore
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the man group variable resulting in the man files having
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<systemitem class="username">root</systemitem>:
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<systemitem class="groupname">root</systemitem> ownership.
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</para>
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<note>
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<para>
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Run <command>./configure --help</command> to see other influential
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environment variables you can pass to <command>configure</command>.
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You may want to use the <envar>history</envar> and
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<envar>compressafter</envar> variables to customize the amount of data
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files kept on the system.
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</para>
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</note>
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</sect2>
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<sect2 role="configuration">
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<title>Configuring Sysstat</title>
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<sect3 id="sysstat-config">
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<title>Config Files</title>
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<para>
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<filename>/etc/sysconfig/sysstat</filename> and
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<filename>/etc/sysconfig/sysstat.ioconf</filename>
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</para>
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<indexterm zone="sysstat sysstat-config">
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<primary sortas="e-etc-sysconfig-sysstat">/etc/sysconfig/sysstat</primary>
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</indexterm>
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<indexterm zone="sysstat sysstat-config">
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<primary sortas="e-etc-sysconfig-sysstat.ioconf">/etc/sysconfig/sysstat.ioconf</primary>
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</indexterm>
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</sect3>
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<sect3>
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<title>Cron Information</title>
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<para>
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To begin gathering <application>Sysstat</application> history
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information, you must add to, or create a privileged user's crontab.
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The history data location is
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<filename class="directory">/var/log/sa</filename>. The user running
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<application>Sysstat</application> utilities via cron must have write
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access to this location.
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</para>
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<para>
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Below is an example of what to install in the crontab. Adjust the
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parameters to suit your needs. Use <command>man sa1</command> and
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<command>man sa2</command> for information about the commands.
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</para>
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<screen><literal># 8am-7pm activity reports every 10 minutes during weekdays
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0 8-18 * * 1-5 /usr/lib/sa/sa1 600 6 &
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# 7pm-8am activity reports every hour during weekdays
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0 19-7 * * 1-5 /usr/lib/sa/sa1 &
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# Activity reports every hour on Saturday and Sunday
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0 * * * 0,6 /usr/lib/sa/sa1 &
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# Daily summary prepared at 19:05
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5 19 * * * /usr/lib/sa/sa2 -A &</literal></screen>
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<para>
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Ensure you submit the revised crontab to the cron daemon.
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</para>
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</sect3>
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<sect3 id="sysstat-init">
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<title>System Startup Information</title>
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<indexterm zone="sysstat sysstat-init">
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<primary sortas="f-sysstat">sysstat</primary>
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</indexterm>
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<para revision="sysv">
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At system startup, a LINUX RESTART message must be
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inserted in the daily data file to reinitialize the kernel counters.
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This can be automated by installing the
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<filename>/etc/rc.d/init.d/sysstat</filename> init script included in
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the <xref linkend="bootscripts"/> package using the following command
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as the <systemitem class="username">root</systemitem> user:
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</para>
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<screen role="root" revision="sysv"><userinput>make install-sysstat</userinput></screen>
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<para revision="systemd">
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At system startup, a LINUX RESTART message must
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be inserted in the daily data file to reinitialize the kernel counters.
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This can be automated by enabling the previously installed systemd unit
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by running the following command as the
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<systemitem class="username">root</systemitem> user:
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</para>
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<screen role="root" revision="systemd"><userinput>systemctl enable sysstat</userinput></screen>
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</sect3>
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</sect2>
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<sect2 role="content">
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<title>Contents</title>
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<segmentedlist>
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<segtitle>Installed Programs</segtitle>
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<segtitle>Installed Libraries</segtitle>
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<segtitle>Installed Directories</segtitle>
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<seglistitem>
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<seg>cifsiostat, iostat, mpstat, pidstat, sadf, sar, and tapestat</seg>
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<seg>None</seg>
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<seg>/usr/lib/sa,
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/usr/share/doc/sysstat-&sysstat-version; and
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/var/log/sa
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</seg>
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</seglistitem>
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</segmentedlist>
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<variablelist>
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<bridgehead renderas="sect3">Short Descriptions</bridgehead>
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<?dbfo list-presentation="list"?>
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<?dbhtml list-presentation="table"?>
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<varlistentry id="cifsiostat">
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<term><command>cifsiostat</command></term>
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<listitem>
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<para>
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displays statistics about read and write operations on CIFS
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filesystems
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</para>
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<indexterm zone="sysstat cifsiostat">
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<primary sortas="b-cifsiostat">cifsiostat</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="iostat">
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<term><command>iostat</command></term>
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<listitem>
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<para>
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reports CPU statistics and input/output
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statistics for devices and partitions
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</para>
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<indexterm zone="sysstat iostat">
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<primary sortas="b-iostat">iostat</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="mpstat">
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<term><command>mpstat</command></term>
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<listitem>
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<para>
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writes activities for each available processor
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</para>
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<indexterm zone="sysstat mpstat">
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<primary sortas="b-mpstat">mpstat</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="pidstat">
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<term><command>pidstat</command></term>
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<listitem>
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<para>
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is used for monitoring individual tasks currently being managed
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by the Linux kernel
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</para>
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<indexterm zone="sysstat pidstat">
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<primary sortas="b-pidstat">pidstat</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="sadf">
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<term><command>sadf</command></term>
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<listitem>
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<para>
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is used for displaying the contents of data files created by
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the <command>sar</command> command. But unlike
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<command>sar</command>, <command>sadf</command> can write its data
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in many different formats
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</para>
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<indexterm zone="sysstat sadf">
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<primary sortas="b-sadf">sadf</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="sar">
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<term><command>sar</command></term>
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<listitem>
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<para>
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is used for displaying the contents of elected cumulative activity
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counters in the operating system
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</para>
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<indexterm zone="sysstat sar">
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<primary sortas="b-sar">sar</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="tapestat">
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<term><command>tapestat</command></term>
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<listitem>
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<para>
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is used for monitoring the activity of tape drives connected to
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a system
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</para>
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<indexterm zone="sysstat tapestat">
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<primary sortas="b-tapestat">tapestat</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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</variablelist>
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</sect2>
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</sect1>
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