glfs/content/databases/postgresql/postgresql-exp.xml

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<sect2>
<title>Command explanations</title>
<para><command>useradd -d /var/pgsql/data postgres</command>: Add an unprivileged user to run the database server. Running the
server as root is dangerous, and moreover simply will not work.</para>
<para><command>su - postgres -c '/usr/bin/initdb -D /var/pgsql/data'</command>: Initialize the database tablespace. This command may not be executed
by root.</para>
<para><command>su - postgres -c '/usr/bin/postmaster -D /var/pgsql/data >
/var/pgsql/data/logfile 2>&amp;1 &amp;'</command>: Start the database server. User postgres must execute this command as well.</para>
<para><command>createdb test, create table t1 , insert into t1 values..., select *
from t1</command>: Create a database, add a table to it, insert some rows into the table
and select them to verify that the installation is working
properly.</para>
</sect2>