You may use the following commands to configure an Amazon EC2 instance to install and start the Apache web server upon boot. The commands should be placed in the Advanced Details dialog box during during the provisioning process of an EC2 instance.
#!/bin/bash
sudo su –
yum install -y httpd
systemctl start httpd
You may use the following sample maintenance page for your website, when necessary. I did not create it but I did find it very helpful and the link to the HTML code may be found here.
<!doctype html>
<title>Site Maintenance</title>
<style>
body { text-align: center; padding: 150px; }
h1 { font-size: 50px; }
body { font: 20px Helvetica, sans-serif; color: #333; }
article { display: block; text-align: left; width: 650px; margin: 0 auto; }
a { color: #dc8100; text-decoration: none; }
a:hover { color: #333; text-decoration: none; }
</style>
<article>
<h1>We’ll be back soon!</h1>
<div>
<p>Sorry for the inconvenience but we’re performing some maintenance at the moment. If you need to you can always <a href=”mailto:#”>contact us</a>, otherwise we’ll be back online shortly!</p>
<p>— The Team</p>
</div>
</article>