source: general/sysutils/fcron.xml@ a663951

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Last change on this file since a663951 was a663951, checked in by Igor Živković <igor@…>, 17 years ago

Updated to Fcron-2.9.6.

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@3963 af4574ff-66df-0310-9fd7-8a98e5e911e0

  • Property mode set to 100644
File size: 8.4 KB
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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
3 "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../../general.ent">
5 %general-entities;
6
7<!ENTITY fcron-download-http "http://fcron.free.fr/archives/fcron-&fcron-version;.src.tar.gz">
8<!ENTITY fcron-download-ftp "ftp://ftp.seul.org/pub/fcron/fcron-&fcron-version;.src.tar.gz">
9<!ENTITY fcron-md5sum "f408960f4c08ad377e61531ca48669bb">
10<!ENTITY fcron-size "397 KB">
11<!ENTITY fcron-buildsize "3.4 MB">
12<!ENTITY fcron-time "0.10 SBU">
13]>
14
15<sect1 id="fcron" xreflabel="Fcron-&fcron-version;">
16<sect1info>
17<othername>$LastChangedBy$</othername>
18<date>$Date$</date>
19</sect1info>
20<?dbhtml filename="fcron.html"?>
21<title><application>Fcron</application>-&fcron-version;</title>
22<indexterm zone="fcron">
23<primary sortas="a-Fcron">Fcron</primary></indexterm>
24
25<sect2>
26<title>Introduction to <application>Fcron</application></title>
27
28<para>The <application>Fcron</application> package contains a periodical
29command scheduler which aims at replacing <application>Vixie
30Cron</application>.</para>
31
32<sect3><title>Package information</title>
33<itemizedlist spacing='compact'>
34<listitem><para>Download (HTTP):
35<ulink url="&fcron-download-http;"/></para></listitem>
36<listitem><para>Download (FTP):
37<ulink url="&fcron-download-ftp;"/></para></listitem>
38<listitem><para>Download MD5 sum: &fcron-md5sum;</para></listitem>
39<listitem><para>Download size: &fcron-size;</para></listitem>
40<listitem><para>Estimated disk space required:
41&fcron-buildsize;</para></listitem>
42<listitem><para>Estimated build time:
43&fcron-time;</para></listitem></itemizedlist>
44</sect3>
45
46<sect3><title><application>Fcron</application> dependencies</title>
47<sect4><title>Optional</title>
48<para><ulink url="../server/mail.html">MTA</ulink>,
49<xref linkend="Linux_PAM"/>,
50<ulink url="http://www.nsa.gov/selinux/">SELinux</ulink>,
51<xref linkend="docbook-utils"/> and
52<ulink url="../postlfs/editors.html">a text editor</ulink> (default is
53<xref linkend="vim"/>)</para>
54</sect4>
55</sect3>
56
57</sect2>
58
59<sect2>
60<title>Installation of <application>Fcron</application></title>
61
62<para id="fcron-syslog"><application>Fcron</application> uses the cron facility
63of <command>syslog</command> to log all messages. Since <acronym>LFS</acronym>
64does not set up this facility in <filename>/etc/syslog.conf</filename>, it
65needs to be done prior to installing <application>Fcron</application>. This
66command will append the necessary line to the current
67<filename>/etc/syslog.conf</filename>:</para>
68<indexterm zone="fcron fcron-syslog">
69<primary sortas="e-etc-syslog.conf">/etc/syslog.conf</primary></indexterm>
70
71<screen><userinput><command>cat &gt;&gt; /etc/syslog.conf &lt;&lt; "EOF"
72# Begin fcron addition to /etc/syslog.conf
73
74cron.* -/var/log/cron.log
75
76# End fcron addition
77EOF</command></userinput></screen>
78
79<para>The configuration file has been modified, so reloading the
80<command>sysklogd</command> daemon will activate the changes.</para>
81
82<screen><userinput><command>/etc/rc.d/init.d/sysklogd reload</command></userinput></screen>
83
84<para>For security reasons, an unprivileged user and group for
85<application>Fcron</application> should be created:</para>
86
87<screen><userinput><command>groupadd fcron &amp;&amp;
88useradd -d /dev/null -c "Fcron User" -g fcron -s /bin/false fcron</command></userinput></screen>
89
90<para>Install <application>Fcron</application> by running the following
91commands:</para>
92
93<screen><userinput><command>./configure --without-sendmail --with-answer-all=no &amp;&amp;
94make</command></userinput></screen>
95
96<para>This package does not come with a test suite.</para>
97
98<para>Now, as the root user:</para>
99
100<screen><userinput role='root'><command>make install</command></userinput></screen>
101
102</sect2>
103
104<sect2>
105<title>Command explanations</title>
106
107<para><parameter>--without-sendmail</parameter>:
108<application>Fcron</application> will use an installed <acronym>MTA</acronym>
109to email you the results of the <command>fcron</command> script. Omit the
110switch and use
111<parameter>--with-sendmail=<replaceable>[/path/to/MTA]</replaceable></parameter>
112if you wish to utilize this feature.</para>
113
114<para><parameter>--with-answer-all=no</parameter>: After the files are
115installed, the <command>make install</command> script enters into a
116configuration routine. The first test will be whether to install a boot
117script in the <filename class="directory">/etc/rc.d/init.d</filename>
118directory with the appropriate symbolic links in run levels 2, 3, 4, and 5.
119The second is to stop any current <command>fcron</command> processes and start
120a new one. Since this is probably your first install and a boot script based
121upon the <acronym>BLFS</acronym> template is desired, answer 'n' to both
122tests.</para>
123
124</sect2>
125
126<sect2>
127<title>Configuring <application>Fcron</application></title>
128
129<sect3 id="fcron-config"><title>Config files</title>
130<para><filename>/etc/fcron.conf</filename>,
131<filename>/etc/fcron.allow</filename> and
132<filename>/etc/fcron.deny</filename></para>
133<indexterm zone="fcron fcron-config">
134<primary sortas="e-etc-fcron.conf">/etc/fcron.conf</primary></indexterm>
135<indexterm zone="fcron fcron-config">
136<primary sortas="e-etc-fcron.allow">/etc/fcron.allow</primary></indexterm>
137<indexterm zone="fcron fcron-config">
138<primary sortas="e-etc-fcron.deny">/etc/fcron.deny</primary></indexterm>
139</sect3>
140
141<sect3><title>Configuration Information</title>
142<para>There are no required changes in any of the config files.
143Configuration information can be found in the man page for
144<filename>fcron.conf</filename>.</para>
145
146<para><command>fcron</command> scripts are written using
147<command>fcrontab</command>. Refer to the <command>fcrontab</command> man
148page for proper parameters to address your situation.</para>
149
150<para id="fcron-init">Install the <filename>/etc/rc.d/init.d/fcron</filename>
151init script from the <xref linkend="intro-important-bootscripts"/>
152package.</para>
153<indexterm zone="fcron fcron-init">
154<primary sortas="f-fcron">fcron</primary></indexterm>
155
156<screen><userinput><command>make install-fcron</command></userinput></screen>
157
158<para id="fcron-pam">If <application>Linux-<acronym>PAM</acronym></application>
159is installed, two <acronym>PAM</acronym> configuration files are installed in
160<filename class='directory'>/etc/pam.d</filename>. Alternatively if
161<filename class='directory'>/etc/pam.d</filename> is not used, the installation
162will append two configuration sections to the exiting
163<filename>/etc/pam.conf</filename> file. You should ensure the files match your
164preferences. Modify them as required to suit your needs.</para>
165<indexterm zone="fcron fcron-pam">
166<primary sortas="e-etc-pam.d">/etc/pam.d/*</primary></indexterm>
167<indexterm zone="fcron fcron-pam">
168<primary sortas="e-etc-pam.conf">/etc/pam.conf</primary></indexterm>
169</sect3>
170
171</sect2>
172
173<sect2>
174<title>Contents</title>
175
176<segmentedlist>
177<segtitle>Installed Programs</segtitle>
178<segtitle>Installed Libraries</segtitle>
179<segtitle>Installed Directories</segtitle>
180
181<seglistitem>
182<seg>fcron, fcrondyn, fcronsighup and fcrontab</seg>
183<seg>None</seg>
184<seg>/usr/share/doc/fcron-&fcron-version; and /var/spool/fcron</seg>
185</seglistitem>
186</segmentedlist>
187
188<variablelist>
189<bridgehead renderas="sect3">Short Descriptions</bridgehead>
190<?dbfo list-presentation="list"?>
191
192<varlistentry id="fcron-prog">
193<term><command>fcron</command></term>
194<listitem><para>is the scheduling daemon.</para>
195<indexterm zone="fcron fcron-prog">
196<primary sortas="b-fcron">fcron</primary>
197</indexterm></listitem>
198</varlistentry>
199
200<varlistentry id="fcrondyn">
201<term><command>fcrondyn</command></term>
202<listitem><para>is a user tool intended to interact with a running
203<command>fcron</command> daemon.</para>
204<indexterm zone="fcron fcrondyn">
205<primary sortas="b-fcrondyn">fcrondyn</primary>
206</indexterm></listitem>
207</varlistentry>
208
209<varlistentry id="fcronsighup">
210<term><command>fcronsighup</command></term>
211<listitem><para>instructs <command>fcron</command> to reread the
212<application>Fcron</application> tables.</para>
213<indexterm zone="fcron fcronsighup">
214<primary sortas="b-fcronsighup">fcronsighup</primary>
215</indexterm></listitem>
216</varlistentry>
217
218<varlistentry id="fcrontab">
219<term><command>fcrontab</command></term>
220<listitem><para>is a program used to install, edit, list and remove the
221tables used by <command>fcron</command>.</para>
222<indexterm zone="fcron fcrontab">
223<primary sortas="b-fcrontab">fcrontab</primary>
224</indexterm></listitem>
225</varlistentry>
226</variablelist>
227
228</sect2>
229
230</sect1>
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