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<?xml version="1.0" encoding="utf-8"?>
<section version="5.0" xml:id="drakwizard_ntp"
xmlns="http://docbook.org/ns/docbook"
xmlns:ns5="http://www.w3.org/1998/Math/MathML"
xmlns:ns4="http://www.w3.org/2000/svg"
xmlns:ns3="http://www.w3.org/1999/xhtml"
xmlns:ns2="http://www.w3.org/1999/xlink"
xmlns:ns="http://docbook.org/ns/docbook">
<info>
<title xml:id="drakwizard_ntp-ti1">Configure time</title>
<subtitle>drakwizard ntp</subtitle>
</info>
<!-- 2013-10-25 Lebarhon - 3 screenshots ready to be added when it is possible -->
<mediaobject>
<imageobject>
<imagedata align="center" fileref="drakwizard_ntp.png" format="PNG"
revision="1" xml:id="drakwizard_ntp-im1"/>
</imageobject>
</mediaobject>
<para>This tool<footnote>
<para>You can start this tool from the command line, by typing <emphasis
role="bold">drakwizard ntp</emphasis> as root.</para>
</footnote> purpose is to set the time of your server synchronised with an
external server. It isn't installed by default and you have to also install
the drakwizard and drakwizard-base packages.</para>
<section>
<title>Setup a NTP server with drakwizard ntp</title>
<procedure>
<step>
<para>After a welcome screen (see above), the second one ask you to
choose three time servers in the drop down lists and suggests to use
pool.ntp.org twice because this server always points to available time
servers.</para>
<mediaobject>
<imageobject>
<imagedata fileref="drakwizard-ntp1.png"/>
</imageobject>
</mediaobject>
<mediaobject>
<imageobject>
<imagedata fileref="drakwizard-ntp2.png">
<info>
<author>
<personname/>
</author>
<pubdate/>
</info>
</imagedata>
</imageobject>
</mediaobject>
</step>
<step>
<para>The following screens allows to choose the region and the city
and then, you arrive on a summary. If something is wrong, you can
obviously change it using the <guibutton>Previous</guibutton>button.
If everything is right, click on the <guibutton>Next</guibutton>
button to proceed to the test. It may take a while and you finally get
this screen below:</para>
<mediaobject>
<imageobject>
<imagedata fileref="drakwizard-ntp3.png"/>
</imageobject>
</mediaobject>
</step>
<step>
<para>Click on the <guibutton>Finish</guibutton> button to close the
tool</para>
</step>
</procedure>
<para/>
</section>
<section>
<title>What is done</title>
<para>This tool executes the following steps:</para>
<para><itemizedlist>
<listitem>
<para>Installing the package <code>ntp</code> if needed</para>
</listitem>
<listitem>
<para>Saving the files <code>/etc/sysconfig/clock</code> to
<code>/etc/sysconfig/clock.orig</code> and
<code>/etc/ntp/step-tickers</code> to
<code>/etc/ntp/step-tickers.orig</code>;</para>
</listitem>
<listitem>
<para>Writing a new file <code>/etc/ntp/step-tickers</code> with the
list of servers;</para>
</listitem>
<listitem>
<para>Modifying the file <code>/etc/ntp.conf</code> by inserting the
first server name;</para>
</listitem>
<listitem>
<para>Stopping and starting <code>crond</code>, <code>atd</code> and
<code>ntpd</code> services;</para>
</listitem>
<listitem>
<para>Setting the hardware clock to the current system time with UTC
reference.</para>
</listitem>
</itemizedlist></para>
</section>
</section>
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