Install Prerequisites
yum update -y yum install httpd php php-cli php-devel -y
Autostart
Start Apache and make sure that it starts again on boot
chkconfig --level 235 httpd on service httpd start
IPTables
Open Port 80 on IPTables
iptables -I INPUT -p tcp --dport 80 -j ACCEPT service iptables save
Hello World
Create PHP hello world file in our Apache web directory, so that it can be read by Apache and displayed as a webpage. (Replace "vim" with "nano", if you're not familiar with vim)
vim /var/www/html/helloworld.php
Insert the following text
<?php echo 'Hello, World!'; ?>
Permissions
Give it file permissions so that it can be read by Apache
chmod 755 /var/www/html/helloworld.php
Test
Navigate to the server’s IP address using your browser. You should now be able to see a web page showing "Hello World!!"