glfs/general/genutils/lsof.xml

<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
   "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
  <!ENTITY % general-entities SYSTEM "../../general.ent">
  %general-entities;


<!ENTITY lsof-download-http  "https://github.com/lsof-org/lsof/releases/download/&lsof-version;/lsof_&lsof-version;.linux.tar.bz2">
<!ENTITY lsof-download-ftp  " ">
<!ENTITY lsof-md5sum        "670010707104b1b1fc4cabae974465a6">
<!ENTITY lsof-size          "512 KB">
<!ENTITY lsof-buildsize     "3.3 MB (add 700 KB for tests)">
<!ENTITY lsof-time          "less than 0.1 SBU (add 0.5 SBU for tests)">
]>

<sect1 id="lsof" xreflabel="lsof-&lsof-version;">
  <?dbhtml filename="lsof.html"?>


  <title>lsof-&lsof-version;</title>

  <indexterm zone="lsof">
    <primary sortas="a-lsof">lsof</primary>
  </indexterm>

  <sect2 role="package">
    <title>Introduction to lsof</title>

    <para>
      The <application>lsof</application> package is useful to LiSt Open
      Files for a given running application or process.
    </para>

    &lfs112_checked;

    <bridgehead renderas="sect3">Package Information</bridgehead>
    <itemizedlist spacing="compact">
      <listitem>
        <para>
          Download (HTTP): <ulink url="&lsof-download-http;"/>
        </para>
      </listitem>
      <listitem>
        <para>
          Download (FTP): <ulink url="&lsof-download-ftp;"/>
        </para>
      </listitem>
      <listitem>
        <para>
          Download MD5 sum: &lsof-md5sum;
        </para>
      </listitem>
      <listitem>
        <para>
          Download size: &lsof-size;
        </para>
      </listitem>
      <listitem>
        <para>
          Estimated disk space required: &lsof-buildsize;
        </para>
      </listitem>
      <listitem>
        <para>
          Estimated build time: &lsof-time;
        </para>
      </listitem>
    </itemizedlist>

    <bridgehead renderas="sect3">lsof Dependencies</bridgehead>

    <bridgehead renderas="sect4">Required</bridgehead>
    <para role="required">
      <xref linkend="libtirpc"/>
    </para>

    <bridgehead renderas="sect4">Optional</bridgehead>
    <para role="optional">
      <xref linkend="nmap"/> (with a symbolic link <command>nc</command>
      pointing to <command>ncat</command> in <filename class="directory">
      /usr/bin</filename>; used in tests)
    </para>

    <para condition="html" role="usernotes">User Notes:
    <ulink url="&blfs-wiki;/lsof"/></para>

  </sect2>

  <sect2 role="kernel" id="lsof-kernel">
    <title>Kernel Configuration</title>

    <para>
      To run the tests, the following option should be enabled in the kernel
      configuration:
    </para>

<screen><literal>General setup  ---&gt;
  [*] POSIX Message Queues    [CONFIG_POSIX_MQUEUE]</literal></screen>

  </sect2>

  <sect2 role="installation">
    <title>Installation of lsof</title>

    <para>
      Install <application>lsof</application> by running the
      following commands:
    </para>

<screen><userinput>./Configure -n linux &amp;&amp;
make</userinput></screen>

    <para>
      The tests should be run as the <systemitem
      class="username">root</systemitem> user. They require that the
      POSIX message queues are enabled in the kernel, and that <xref
      linkend="nmap"/> be installed with a symbolic link
      <filename>/usr/bin/nc</filename> pointing to <command>ncat</command>.
    </para>

<screen role="root"
        remap="test"><userinput>make check</userinput></screen>

    <para>
      One test, case-20-ux-socket-endpoint, is known to fail.
      Other test may fail if the tests are run in a script.
    </para>

    <para>
      Now, as the <systemitem class="username">root</systemitem> user:
    </para>

<screen role="root"><userinput>install -v -m4755 -o root -g root lsof /usr/bin &amp;&amp;
install -v lsof.8 /usr/share/man/man8</userinput></screen>

  </sect2>

  <sect2 role="commands">
    <title>Command Explanations</title>

    <para>
      <command>./Configure -n linux</command>: Avoid AFS, customization, and
      inventory checks, and use the linux dialect.
    </para>

    <para>
      <command>install -m4755 ...</command>: <command>lsof</command> should
      be suid root to allow users to list all files. This may be a security
      threat on some systems. In that case change to <option>-m755</option>
      and use <command>sudo</command> to run the program.
    </para>

  </sect2>

  <sect2 role="content">
    <title>Contents</title>

    <segmentedlist>
      <segtitle>Installed Program</segtitle>
      <segtitle>Installed Libraries</segtitle>
      <segtitle>Installed Directories</segtitle>

      <seglistitem>
        <seg>lsof</seg>
        <seg>None</seg>
        <seg>None</seg>
      </seglistitem>
    </segmentedlist>

    <variablelist>
      <bridgehead renderas="sect3">Short Descriptions</bridgehead>
      <?dbfo list-presentation="list"?>
      <?dbhtml list-presentation="table"?>

      <varlistentry id="lsof-app">
        <term><command>lsof</command></term>
        <listitem>
          <para>
            lists open files for running processes
          </para>
          <indexterm zone="lsof lsof-app">
            <primary sortas="b-lsof">lsof</primary>
          </indexterm>
        </listitem>
      </varlistentry>

    </variablelist>

  </sect2>

</sect1>