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git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@3621 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
195 lines
6.1 KiB
XML
195 lines
6.1 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN" "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../general.ent">
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%general-entities;
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]>
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<sect1 id="ch-system-procps" xreflabel="Procps" role="wrap">
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<title>Procps-&procps-version;</title>
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<?dbhtml filename="procps.html"?>
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<indexterm zone="ch-system-procps"><primary sortas="a-Procps">Procps</primary></indexterm>
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<sect2 role="package"><title/>
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<para>The Procps package contains programs for monitoring processes.</para>
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<segmentedlist>
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<segtitle>&buildtime;</segtitle>
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<segtitle>&diskspace;</segtitle>
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<seglistitem><seg>0.1 SBU</seg><seg>6.2 MB</seg></seglistitem>
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</segmentedlist>
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<segmentedlist>
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<segtitle>Procps installation depends on</segtitle>
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<seglistitem><seg>Bash, Binutils, Coreutils, GCC, Glibc,
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Make, Ncurses</seg></seglistitem>
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</segmentedlist>
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</sect2>
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<sect2 role="installation">
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<title>Installation of Procps</title>
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<para>Compile Procps:</para>
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<screen><userinput>make</userinput></screen>
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<para>Install it:</para>
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<screen><userinput>make install</userinput></screen>
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<para>Remove a spurious library link:</para>
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<screen><userinput>rm /lib/libproc.so</userinput></screen>
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</sect2>
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<sect2 id="contents-procps" role="content"><title>Contents of Procps</title>
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<segmentedlist>
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<segtitle>Installed programs</segtitle>
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<segtitle>Installed library</segtitle>
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<seglistitem><seg>free, kill, pgrep, pkill,
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pmap, ps, skill, snice, sysctl, tload, top, uptime, vmstat, w and watch</seg>
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<seg>libproc.so</seg></seglistitem>
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</segmentedlist>
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<variablelist><title>Short descriptions</title>
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<varlistentry>
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<term id="free"><command>free</command></term>
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<listitem>
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<indexterm zone="ch-system-procps free"><primary sortas="b-free">free</primary></indexterm>
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<para>reports the amount of free and used memory
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in the system, both physical and swap memory.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="kill"><command>kill</command></term>
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<listitem>
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<indexterm zone="ch-system-procps kill"><primary sortas="b-kill">kill</primary></indexterm>
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<para>is used to send signals to processes.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="pgrep"><command>pgrep</command></term>
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<listitem>
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<indexterm zone="ch-system-procps pgrep"><primary sortas="b-pgrep">pgrep</primary></indexterm>
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<para>looks up processes based on their name and other attributes.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="pkill"><command>pkill</command></term>
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<listitem>
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<indexterm zone="ch-system-procps pkill"><primary sortas="b-pkill">pkill</primary></indexterm>
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<para>signals processes based on their name and other attributes.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="pmap"><command>pmap</command></term>
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<listitem>
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<indexterm zone="ch-system-procps pmap"><primary sortas="b-pmap">pmap</primary></indexterm>
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<para>reports the memory map of the given process.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="ps"><command>ps</command></term>
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<listitem>
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<indexterm zone="ch-system-procps ps"><primary sortas="b-ps">ps</primary></indexterm>
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<para>gives a snapshot of the current processes.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="skill"><command>skill</command></term>
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<listitem>
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<indexterm zone="ch-system-procps skill"><primary sortas="b-skill">skill</primary></indexterm>
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<para>sends signals to processes matching the given criteria.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="snice"><command>snice</command></term>
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<listitem>
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<indexterm zone="ch-system-procps snice"><primary sortas="b-snice">snice</primary></indexterm>
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<para>changes the scheduling priority of processes matching the given criteria.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="sysctl"><command>sysctl</command></term>
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<listitem>
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<indexterm zone="ch-system-procps sysctl"><primary sortas="b-sysctl">sysctl</primary></indexterm>
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<para>modifies kernel parameters at run time.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="tload"><command>tload</command></term>
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<listitem>
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<indexterm zone="ch-system-procps tload"><primary sortas="b-tload">tload</primary></indexterm>
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<para>prints a graph of the current system load average.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="top"><command>top</command></term>
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<listitem>
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<indexterm zone="ch-system-procps top"><primary sortas="b-top">top</primary></indexterm>
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<para>displays the top CPU processes. It provides
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an ongoing look at processor activity in real time.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="uptime"><command>uptime</command></term>
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<listitem>
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<indexterm zone="ch-system-procps uptime"><primary sortas="b-uptime">uptime</primary></indexterm>
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<para>reports how long the system has been
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running, how many users are logged on, and the system load averages.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="vmstat"><command>vmstat</command></term>
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<listitem>
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<indexterm zone="ch-system-procps vmstat"><primary sortas="b-vmstat">vmstat</primary></indexterm>
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<para>reports virtual memory statistics, giving information about processes,
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memory, paging, block IO, traps, and CPU activity.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="w"><command>w</command></term>
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<listitem>
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<indexterm zone="ch-system-procps w"><primary sortas="b-w">w</primary></indexterm>
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<para>shows which users are currently logged on, where and since when.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="watch"><command>watch</command></term>
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<listitem>
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<indexterm zone="ch-system-procps watch"><primary sortas="b-watch">watch</primary></indexterm>
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<para>runs a given command repeatedly, displaying the first screen-full of its
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output. This allows you to watch the output change over time.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term id="libproc"><command>libproc</command></term>
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<listitem>
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<indexterm zone="ch-system-procps libproc"><primary sortas="c-libproc">libproc</primary></indexterm>
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<para>contains the functions used by most programs in this package.</para>
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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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