mirror of
https://github.com/Zeckmathederg/glfs.git
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1586494b11
git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@3134 af4574ff-66df-0310-9fd7-8a98e5e911e0
173 lines
6.0 KiB
XML
173 lines
6.0 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
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"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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<!ENTITY fcron-download-http "http://fcron.free.fr/archives/fcron-&fcron-version;.src.tar.gz">
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<!ENTITY fcron-download-ftp "ftp://ftp.seul.org/pub/fcron/fcron-&fcron-version;.src.tar.gz">
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<!ENTITY fcron-size "390 KB">
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<!ENTITY fcron-buildsize "3.4 MB">
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<!ENTITY fcron-time "0.10 SBU">
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]>
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<sect1 id="fcron" xreflabel="Fcron-&fcron-version;">
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<sect1info>
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<othername>$LastChangedBy$</othername>
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<date>$Date$</date>
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</sect1info>
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<?dbhtml filename="fcron.html"?>
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<title><application>Fcron</application>-&fcron-version;</title>
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<sect2>
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<title>Introduction to <application>Fcron</application></title>
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<para>The <application>Fcron</application> package contains a periodical
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command scheduler which aims at replacing <application>Vixie
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Cron</application>.</para>
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<sect3><title>Package information</title>
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<itemizedlist spacing='compact'>
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<listitem><para>Download (HTTP):
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<ulink url="&fcron-download-http;"/></para></listitem>
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<listitem><para>Download (FTP):
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<ulink url="&fcron-download-ftp;"/></para></listitem>
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<listitem><para>Download size: &fcron-size;</para></listitem>
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<listitem><para>Estimated disk space required:
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&fcron-buildsize;</para></listitem>
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<listitem><para>Estimated build time:
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&fcron-time;</para></listitem></itemizedlist>
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</sect3>
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<sect3><title><application>Fcron</application> dependencies</title>
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<sect4><title>Optional</title>
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<para><ulink url="../server/mail.html">MTA</ulink>,
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<xref linkend="Linux_PAM"/>,
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<ulink url="http://www.nsa.gov/selinux/">SELinux</ulink>,
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<xref linkend="docbook-utils"/> and
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<ulink url="../postlfs/editors.html">a text editor</ulink> (default is
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<xref linkend="postlfs-editors-vim"/>)</para>
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</sect4>
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</sect3>
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</sect2>
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<sect2>
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<title>Installation of <application>Fcron</application></title>
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<para><application>Fcron</application> uses the cron facility of
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<command>syslog</command> to log all messages. Since <acronym>LFS</acronym>
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does not set up this facility in <filename>/etc/syslog.conf</filename>, it
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needs to be done prior to installing <application>Fcron</application>. This
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command will append the necessary line to the current
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<filename>/etc/syslog.conf</filename>:</para>
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<screen><userinput><command>cat >> /etc/syslog.conf << "EOF"
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# Begin fcron addition to /etc/syslog.conf
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cron.* -/var/log/cron.log
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# End fcron addition
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EOF</command></userinput></screen>
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<para>The configuration file has been modified, so reloading the
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<command>sysklogd</command> daemon will activate the changes.</para>
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<screen><userinput><command>/etc/rc.d/init.d/sysklogd reload</command></userinput></screen>
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<para>For security reasons, an unprivileged user and group for
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<application>Fcron</application> should be created:</para>
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<screen><userinput><command>groupadd fcron &&
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useradd -d /dev/null -c "Fcron User" -g fcron -s /bin/false fcron</command></userinput></screen>
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<para>Install <application>Fcron</application> by running the following
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commands:</para>
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<screen><userinput><command>./configure --without-sendmail --with-answer-all=no &&
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make &&
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make install</command></userinput></screen>
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</sect2>
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<sect2>
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<title>Command explanations</title>
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<para><option>--without-sendmail</option>: <application>Fcron</application>
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will use an installed <acronym>MTA</acronym> to email you the results of the
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<command>fcron</command> script. If you wish to utilize this feature, change
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the switch to <parameter>--with-sendmail=<replaceable>[path to your
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MTA]</replaceable></parameter>.</para>
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<para><parameter>--with-answer-all=no</parameter>: After the files are
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installed, the <command>make install</command> script enters into a
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configuration routine. The first test will be whether to install a boot
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script in the <filename class="directory">/etc/rc.d/init.d</filename>
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directory with the appropriate symbolic links in run levels 2, 3, 4, and 5.
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The second is to stop any current fcron processes and start a new one. Since
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this is probably your first install and a boot script based upon the
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<acronym>BLFS</acronym> template is desired, answer 'n' to both tests.</para>
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</sect2>
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<sect2>
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<title>Configuring <application>Fcron</application></title>
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<sect3><title>Config files</title>
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<para><filename>/etc/fcron.conf</filename>,
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<filename>/etc/fcron.allow</filename> and
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<filename>/etc/fcron.deny</filename></para>
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</sect3>
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<sect3><title>Configuration Information</title>
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<para>There are no required changes in any of the config files.
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Configuration information can be found in the man page for
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<filename>fcron.conf</filename>.</para>
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<para><command>fcron</command> scripts are written using
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<command>fcrontab</command>. Refer to the <command>fcrontab</command> man
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page for proper parameters to address your situation.</para>
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<para>Install the <filename>/etc/rc.d/init.d/fcron</filename>
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init script from the <xref linkend="intro-important-bootscripts"/>
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package.</para>
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<screen><userinput><command>make install-fcron</command></userinput></screen>
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</sect3>
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</sect2>
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<sect2>
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<title>Contents</title>
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<para>The <application>Fcron</application> package contains
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<command>fcron</command>, <command>fcrontab</command>,
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<command>fcronsighup</command> and <command>fcrondyn</command>.</para>
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</sect2>
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<sect2><title>Description</title>
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<sect3><title>fcron</title>
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<para><command>fcron</command> is the scheduling daemon.</para></sect3>
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<sect3><title>fcrontab</title>
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<para><command>fcrontab</command> is the program used to install, edit, list
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and remove the tables used by <command>fcron</command>.</para></sect3>
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<sect3><title>fcronsighup</title>
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<para><command>fcronsighup</command> instructs <command>fcron</command> to
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reread the fcron tables.</para></sect3>
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<sect3><title>fcrondyn</title>
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<para><command>fcrondyn</command> is a user tool intended to interact with a
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running <command>fcron</command> daemon.</para></sect3>
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</sect2>
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</sect1>
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