ljr/livejournal/doc/raw/lj.book/install/reqs.xml

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<chapter id="lj.install.reqs">
<title>Requirements</title>
<formalpara><title>Software</title><para>
The main software components you need for a working LiveJournal installation
are as follows (the recommended version is noted):
<variablelist>
<varlistentry>
<term>Perl</term>
<listitem><simpara>Version 5.6.1</simpara></listitem>
</varlistentry>
<varlistentry>
<term>MySQL</term>
<listitem><simpara>Version 3.23.57</simpara></listitem>
</varlistentry>
<varlistentry>
<term>Apache</term>
<listitem><simpara>Version 1.3.28</simpara></listitem>
</varlistentry>
<varlistentry>
<term>mod_perl</term>
<listitem><simpara>Version 1.28</simpara></listitem>
</varlistentry>
</variablelist>
</para></formalpara>
<warning><title>Apache 2 &amp; mod_perl 2</title>
<simpara>At this time, LiveJournal has not been ported to &amp; will not work with Apache 2 &amp; mod_perl 2.</simpara>
</warning>
<formalpara><title>Perl Module Dependencies</title>
A complete list of modules need to run a LiveJournal installation can be found at <xref linkend="lj.install.perl_setup.modules" />.
Some modules such as GD and Compress::Zlib require certain system libraries to be pre-installed
on your machine in order to work. The author-provided README files for perl modules explain what is necessary.
</formalpara>
<formalpara><title>Hardware</title><para>
There are no specific hardware requirements for a LiveJournal installation, but Apache/mod_perl
and MySQL can utilize a lot of memory very quickly. Determining the right amount of processor
speed, storage space, and RAM depends on how busy your LiveJournal installation will be. A
simple rule of thumb to remember is that posts and comments drive site traffic, not necessarily the presence
of more users.
</para></formalpara>
</chapter>
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