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<pre>Hello, this is a web page on vm4.yourid.org and the current time is <?php system("date"); ?>!</pre>
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<ol><li value="2">On your host machine, again refresh your web-browser. Notice that in a web browser the ''index.php'' file isn't treated as a default page and the contents don't contain the date, but instead are displaying the text in the php code you entered into the index.php file (refer to above code).</li><li>The reason this occurs is that the PHP interpreter hasn't been installed on your Centos vm4 by default.</li><li>Install the php packeage on your vm4 machine. NOTE: The php package comes with a working default Apache configuration so you don't need to enable it manually.</li><li>Refresh the webpage for your web-browser on your host machine. You should now notice that you see the date instead of the call to the date command. Refresh your webpage several times to see how the time changes. This is simply a "trivial example" of dynamic web content does it does provide a simple demonstration of how scripting languages can be used to create more dynamic webpages.</li></ol>
=== Install, Configure and Run MySQL Database Server ===
We complete the last piece of the puzzle by installing, configuring and running a database server to support your webmail application that will be installed and setup in the next investigation. MySQL is used to allow storage and retrieval of structured data. SQL is used by countless services for all kinds of use cases. Again we won't spend much time learning the details of MySQL configuration but you need a basic server set up. You may remember setting up MySQL from OPS235 - we're doing the nearly identical thing here.
'''Perform the following steps:'''