1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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5 | %general-entities;
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6 |
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7 | <!ENTITY fcron-download-http "http://fcron.free.fr/archives/fcron-&fcron-version;.src.tar.gz">
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8 | <!ENTITY fcron-download-ftp " ">
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9 | <!-- <!ENTITY fcron-download-ftp "ftp://ftp.seul.org/pub/fcron/fcron-&fcron-version;.src.tar.gz">-->
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10 | <!ENTITY fcron-md5sum "bd4996e941a40327d11efc5e3fd1f839">
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11 | <!ENTITY fcron-size "587 KB">
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12 | <!ENTITY fcron-buildsize "5.1 MB">
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13 | <!ENTITY fcron-time "0.1 SBU">
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14 | ]>
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15 |
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16 | <sect1 id="fcron" xreflabel="Fcron-&fcron-version;">
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17 | <?dbhtml filename="fcron.html"?>
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18 |
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19 | <sect1info>
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20 | <othername>$LastChangedBy$</othername>
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21 | <date>$Date$</date>
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22 | </sect1info>
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23 |
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24 | <title>Fcron-&fcron-version;</title>
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25 |
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26 | <indexterm zone="fcron">
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27 | <primary sortas="a-Fcron">Fcron</primary>
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28 | </indexterm>
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29 |
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30 | <sect2 role="package">
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31 | <title>Introduction to Fcron</title>
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32 |
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33 | <para>The <application>Fcron</application> package contains a periodical
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34 | command scheduler which aims at replacing <application>Vixie
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35 | Cron</application>.</para>
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36 |
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37 | &lfs83_checked;
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38 |
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39 | <bridgehead renderas="sect3">Package Information</bridgehead>
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40 | <itemizedlist spacing="compact">
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41 | <listitem>
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42 | <para>Download (HTTP): <ulink url="&fcron-download-http;"/></para>
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43 | </listitem>
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44 | <listitem>
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45 | <para>Download (FTP): <ulink url="&fcron-download-ftp;"/></para>
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46 | </listitem>
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47 | <listitem>
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48 | <para>Download MD5 sum: &fcron-md5sum;</para>
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49 | </listitem>
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50 | <listitem>
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51 | <para>Download size: &fcron-size;</para>
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52 | </listitem>
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53 | <listitem>
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54 | <para>Estimated disk space required: &fcron-buildsize;</para>
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55 | </listitem>
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56 | <listitem>
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57 | <para>Estimated build time: &fcron-time;</para>
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58 | </listitem>
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59 | </itemizedlist>
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60 | <!--
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61 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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62 | <itemizedlist spacing="compact">
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63 | <listitem>
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64 | <para>
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65 | Required patch:
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66 | <ulink url="&patch-root;/fcron-&fcron-version;-sendmail_upstream-1.patch"/>
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67 | </para>
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68 | </listitem>
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69 | </itemizedlist>
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70 | -->
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71 | <bridgehead renderas="sect3">Fcron Dependencies</bridgehead>
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72 |
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73 | <bridgehead renderas="sect4">Optional</bridgehead>
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74 | <para role="optional">An <xref linkend="server-mail"/>,
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75 | <ulink url="../postlfs/editors.html">text editor</ulink> (default is
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76 | <command>vi</command> from the <xref linkend="vim"/> package),
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77 | <xref linkend="linux-pam"/>, and
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78 | <xref linkend="docbook-utils"/>
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79 | </para>
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80 |
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81 | <para condition="html" role="usernotes">User Notes:
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82 | <ulink url="&blfs-wiki;/fcron"/></para>
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83 |
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84 | </sect2>
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85 |
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86 | <sect2 role="installation">
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87 | <title>Installation of Fcron</title>
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88 |
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89 | <para id="fcron-syslog" revision="sysv"><application>Fcron</application>
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90 | uses the cron facility of <command>syslog</command> to log all messages.
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91 | Since LFS does not set up this facility in
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92 | <filename>/etc/syslog.conf</filename>, it needs to be done prior to
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93 | installing <application>Fcron</application>. This command will append the
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94 | necessary line to the current <filename>/etc/syslog.conf</filename>
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95 | (perform as the <systemitem class='username'>root</systemitem> user):</para>
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96 |
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97 | <indexterm zone="fcron fcron-syslog" revision="sysv">
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98 | <primary sortas="e-etc-syslog.conf">/etc/syslog.conf</primary>
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99 | </indexterm>
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100 |
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101 | <screen role="root" revision="sysv"><userinput>cat >> /etc/syslog.conf << "EOF"
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102 | <literal># Begin fcron addition to /etc/syslog.conf
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103 |
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104 | cron.* -/var/log/cron.log
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105 |
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106 | # End fcron addition</literal>
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107 | EOF</userinput></screen>
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108 |
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109 | <para revision="sysv">The configuration file has been modified, so reloading
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110 | the <command>sysklogd</command> daemon will activate the changes (again as
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111 | the <systemitem class='username'>root</systemitem> user).</para>
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112 |
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113 | <screen role="root" revision="sysv"><userinput>/etc/rc.d/init.d/sysklogd reload</userinput></screen>
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114 |
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115 | <para>For security reasons, an unprivileged user and group for
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116 | <application>Fcron</application> should be created (perform as the
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117 | <systemitem class='username'>root</systemitem> user):</para>
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118 |
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119 | <screen role="root"><userinput>groupadd -g 22 fcron &&
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120 | useradd -d /dev/null -c "Fcron User" -g fcron -s /bin/false -u 22 fcron</userinput></screen>
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121 |
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122 | <para>Install <application>Fcron</application> by running the following
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123 | commands:</para>
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124 |
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125 | <screen revision="sysv"><userinput>./configure --prefix=/usr \
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126 | --sysconfdir=/etc \
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127 | --localstatedir=/var \
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128 | --without-sendmail \
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129 | --with-boot-install=no \
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130 | --with-systemdsystemunitdir=no &&
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131 | make</userinput></screen>
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132 |
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133 | <screen revision="systemd"><userinput>./configure --prefix=/usr \
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134 | --sysconfdir=/etc \
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135 | --localstatedir=/var \
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136 | --without-sendmail \
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137 | --with-boot-install=no &&
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138 | make</userinput></screen>
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139 |
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140 | <para>This package does not come with a test suite.</para>
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141 |
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142 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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143 |
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144 | <screen role="root"><userinput>make install</userinput></screen>
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145 |
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146 | <para>DESTDIR install must be done as <systemitem class="username">root</systemitem> user.</para>
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147 |
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148 | </sect2>
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149 |
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150 | <sect2 role="commands">
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151 | <title>Command Explanations</title>
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152 | <!--
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153 | <para><command>autoconf</command>: This command is required to rebuild
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154 | <filename>configure</filename> using the fixed input file.</para>-->
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155 |
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156 | <para><parameter>--without-sendmail</parameter>: By default,
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157 | <application>Fcron</application> will attempt to use the
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158 | <command>sendmail</command> command from an <xref linkend="server-mail"/>
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159 | package to email you the results of the <command>fcron</command> script.
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160 | This switch is used to disable default email notification. Omit the switch
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161 | to enable the default. Alternatively, you can use the
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162 | <option>--with-sendmail=<replaceable></path/to/MTA
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163 | command></replaceable></option> to use a different mailer command.</para>
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164 |
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165 | <para><parameter>--with-boot-install=no</parameter>: This prevents
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166 | installation of the bootscript included with the package.</para>
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167 |
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168 | <para revision="sysv"><parameter>--with-systemdsystemunitdir=no</parameter>:
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169 | This prevents building the <application>systemd</application> units, which
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170 | are not needed for a <application>SYS V</application> system.</para>
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171 |
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172 | <para><option>--with-editor=<replaceable></path/to/editor></replaceable></option>:
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173 | This switch allows you to set the default text editor.</para>
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174 |
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175 | <para><option>--with-dsssl-dir=<replaceable></path/to/dsssl-stylesheets></replaceable></option>:
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176 | May be used if you have <xref linkend="docbook-utils"/> installed.
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177 | Currently, the dsssl stylesheets are located at
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178 | <filename class="directory">/usr/share/sgml/docbook/dsssl-stylesheets-1.79</filename>.</para>
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179 |
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180 | </sect2>
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181 |
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182 | <sect2 role="configuration">
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183 | <title>Configuring Fcron</title>
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184 |
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185 | <sect3 id="fcron-config">
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186 | <title>Config Files</title>
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187 |
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188 | <para><filename>/etc/fcron.conf</filename>,
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189 | <filename>/etc/fcron.allow</filename>, and
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190 | <filename>/etc/fcron.deny</filename></para>
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191 |
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192 | <indexterm zone="fcron fcron-config">
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193 | <primary sortas="e-etc-fcron.conf">/etc/fcron.conf</primary>
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194 | </indexterm>
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195 |
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196 | <indexterm zone="fcron fcron-config">
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197 | <primary sortas="e-etc-fcron.allow">/etc/fcron.allow</primary>
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198 | </indexterm>
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199 |
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200 | <indexterm zone="fcron fcron-config">
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201 | <primary sortas="e-etc-fcron.deny">/etc/fcron.deny</primary>
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202 | </indexterm>
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203 |
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204 | </sect3>
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205 |
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206 | <sect3>
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207 | <title>Configuration Information</title>
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208 |
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209 | <para>There are no required changes in any of the config files.
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210 | Configuration information can be found in the man page for
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211 | <filename>fcron.conf</filename>.</para>
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212 |
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213 | <para><command>fcron</command> scripts are written using
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214 | <command>fcrontab</command>. Refer to the <command>fcrontab</command> man
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215 | page for proper parameters to address your situation.</para>
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216 |
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217 | <para id="fcron-pam">If <application>Linux-PAM</application>
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218 | is installed, two PAM configuration files are installed in
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219 | <filename class='directory'>/etc/pam.d</filename>. Alternatively if
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220 | <filename class='directory'>/etc/pam.d</filename> is not used, the
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221 | installation will append two configuration sections to the existing
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222 | <filename>/etc/pam.conf</filename> file. You should ensure the files match
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223 | your preferences. Modify them as required to suit your needs.</para>
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224 |
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225 | <indexterm zone="fcron fcron-pam">
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226 | <primary sortas="e-etc-pam.d">/etc/pam.d/*</primary>
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227 | </indexterm>
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228 |
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229 | <indexterm zone="fcron fcron-pam">
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230 | <primary sortas="e-etc-pam.conf">/etc/pam.conf</primary>
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231 | </indexterm>
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232 |
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233 | <bridgehead renderas="sect4">Periodic Jobs</bridgehead>
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234 |
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235 | <para>
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236 | If you would like to setup a periodic hierarchy for the root user,
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237 | first issue the following commands (as the
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238 | <systemitem class="username">root</systemitem> user to create the
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239 | <filename>/usr/bin/run-parts</filename> script:
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240 | </para>
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241 |
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242 | <screen role="root"><userinput>cat > /usr/bin/run-parts << "EOF" &&
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243 | #!/bin/sh
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244 | # run-parts: Runs all the scripts found in a directory.
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245 | # from Slackware, by Patrick J. Volkerding with ideas borrowed
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246 | # from the Red Hat and Debian versions of this utility.
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247 |
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248 | # keep going when something fails
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249 | set +e
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250 |
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251 | if [ $# -lt 1 ]; then
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252 | echo "Usage: run-parts <directory>"
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253 | exit 1
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254 | fi
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255 |
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256 | if [ ! -d $1 ]; then
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257 | echo "Not a directory: $1"
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258 | echo "Usage: run-parts <directory>"
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259 | exit 1
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260 | fi
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261 |
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262 | # There are several types of files that we would like to
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263 | # ignore automatically, as they are likely to be backups
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264 | # of other scripts:
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265 | IGNORE_SUFFIXES="~ ^ , .bak .new .rpmsave .rpmorig .rpmnew .swp"
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266 |
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267 | # Main loop:
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268 | for SCRIPT in $1/* ; do
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269 | # If this is not a regular file, skip it:
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270 | if [ ! -f $SCRIPT ]; then
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271 | continue
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272 | fi
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273 | # Determine if this file should be skipped by suffix:
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274 | SKIP=false
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275 | for SUFFIX in $IGNORE_SUFFIXES ; do
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276 | if [ ! "$(basename $SCRIPT $SUFFIX)" = "$(basename $SCRIPT)" ]; then
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277 | SKIP=true
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278 | break
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279 | fi
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280 | done
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281 | if [ "$SKIP" = "true" ]; then
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282 | continue
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283 | fi
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284 | # If we've made it this far, then run the script if it's executable:
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285 | if [ -x $SCRIPT ]; then
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286 | $SCRIPT || echo "$SCRIPT failed."
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287 | fi
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288 | done
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289 |
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290 | exit 0
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291 | EOF
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292 | chmod -v 755 /usr/bin/run-parts</userinput></screen>
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293 |
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294 | <para>
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295 | Next, create the directory layout for the periodic jobs (again as the
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296 | <systemitem class="username">root</systemitem> user):
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297 | </para>
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298 |
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299 | <screen role="root"><userinput>install -vdm754 /etc/cron.{hourly,daily,weekly,monthly}</userinput></screen>
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300 |
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301 | <para>
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302 | Finally, add the <command>run-parts</command> to the system fcrontab
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303 | (while still the <systemitem class="username">root</systemitem> user):
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304 | </para>
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305 |
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306 | <screen role="root"><userinput>cat > /var/spool/fcron/systab.orig << "EOF"
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307 | &bootrun 01 * * * * root run-parts /etc/cron.hourly
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308 | &bootrun 02 4 * * * root run-parts /etc/cron.daily
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309 | &bootrun 22 4 * * 0 root run-parts /etc/cron.weekly
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310 | &bootrun 42 4 1 * * root run-parts /etc/cron.monthly
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311 | EOF</userinput></screen>
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312 |
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313 | </sect3>
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314 |
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315 | <sect3 id="fcron-init">
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316 | <title><phrase revision="sysv">Boot Script</phrase>
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317 | <phrase revision="systemd">Systemd Unit</phrase></title>
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318 |
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319 | <para revision="sysv">Install the
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320 | <filename>/etc/rc.d/init.d/fcron</filename> init script from the
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321 | <xref linkend="bootscripts"/> package.</para>
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322 |
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323 | <para revision="systemd">Enable <application>fcron</application> to start
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324 | at boot using the previously installed systemd unit.</para>
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325 |
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326 | <indexterm zone="fcron fcron-init">
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327 | <primary sortas="f-fcron">fcron</primary>
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328 | </indexterm>
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329 |
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330 | <screen role="root" revision="sysv"><userinput>make install-fcron</userinput></screen>
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331 |
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332 | <screen role="root" revision="systemd"><userinput>systemctl enable fcron</userinput></screen>
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333 |
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334 | <para>Finally, again as the <systemitem class="username">root</systemitem>
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335 | user, start fcron and generate the
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336 | <filename>/var/spool/fcron/systab</filename> file:</para>
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337 |
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338 | <screen role="root" revision="sysv"><userinput>/etc/rc.d/init.d/fcron start &&
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339 | fcrontab -z -u systab</userinput></screen>
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340 |
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341 | <screen role="root" revision="systemd"><userinput>systemctl start fcron &&
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342 | fcrontab -z -u systab</userinput></screen>
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343 | </sect3>
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344 |
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345 | </sect2>
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346 |
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347 | <sect2 role="content">
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348 | <title>Contents</title>
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349 |
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350 | <segmentedlist>
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351 | <segtitle>Installed Programs</segtitle>
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352 | <segtitle>Installed Libraries</segtitle>
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353 | <segtitle>Installed Directories</segtitle>
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354 |
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355 | <seglistitem>
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356 | <seg>fcron, fcrondyn, fcronsighup, and fcrontab</seg>
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357 | <seg>None</seg>
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358 | <seg>/usr/share/doc/fcron-&fcron-version; and /var/spool/fcron</seg>
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359 | </seglistitem>
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360 | </segmentedlist>
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361 |
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362 | <variablelist>
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363 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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364 | <?dbfo list-presentation="list"?>
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365 | <?dbhtml list-presentation="table"?>
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366 |
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367 | <varlistentry id="fcron-prog">
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368 | <term><command>fcron</command></term>
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369 | <listitem>
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370 | <para>is the scheduling daemon.</para>
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371 | <indexterm zone="fcron fcron-prog">
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372 | <primary sortas="b-fcron">fcron</primary>
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373 | </indexterm>
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374 | </listitem>
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375 | </varlistentry>
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376 |
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377 | <varlistentry id="fcrondyn">
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378 | <term><command>fcrondyn</command></term>
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379 | <listitem>
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380 | <para>is a user tool intended to interact with a running
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381 | <command>fcron</command> daemon.</para>
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382 | <indexterm zone="fcron fcrondyn">
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383 | <primary sortas="b-fcrondyn">fcrondyn</primary>
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384 | </indexterm>
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385 | </listitem>
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386 | </varlistentry>
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387 |
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388 | <varlistentry id="fcronsighup">
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389 | <term><command>fcronsighup</command></term>
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390 | <listitem>
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391 | <para>instructs <command>fcron</command> to reread the
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392 | <application>Fcron</application> tables.</para>
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393 | <indexterm zone="fcron fcronsighup">
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394 | <primary sortas="b-fcronsighup">fcronsighup</primary>
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395 | </indexterm>
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396 | </listitem>
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397 | </varlistentry>
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398 |
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399 | <varlistentry id="fcrontab">
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400 | <term><command>fcrontab</command></term>
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401 | <listitem>
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402 | <para>is a program used to install, edit, list and remove the
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403 | tables used by <command>fcron</command>.</para>
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404 | <indexterm zone="fcron fcrontab">
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405 | <primary sortas="b-fcrontab">fcrontab</primary>
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406 | </indexterm>
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407 | </listitem>
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408 | </varlistentry>
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409 |
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410 | </variablelist>
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411 |
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412 | </sect2>
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413 |
|
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414 | </sect1>
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