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<chapter id="installation">

<title><![%standalone-include[<productname>PostgreSQL</>]]>

</screen>

works.

</para>

<para>

Very old versions might not have <application>pg_ctl</>. If you

can't find it or it doesn't work, find out the process ID of the

old server, for example by typing

<screen>

<userinput>ps ax | grep postmaster</userinput>

</screen>

and signal it to stop this way:

<screen>

<userinput>kill -INT <replaceable>processID</></userinput>

</screen>

</para>

</step>

<step>