How to install Apache on Centos 6.4

1. Introduction: WikiPedia
The Apache HTTP Server, commonly referred to as Apache (/əˈpætʃiː/ ə-PA-chee), is a web server software program notable for playing a key role in the initial growth of the World Wide Web.^[3] In 2009, it became the first web server software to surpass the 100 million website milestone.^[4] Apache has consistently been the most popular web server on the Internet since taking that spot from NCSA HTTPd back in 1996. Typically Apache is run on a Unix-like operating system,^[5] and was developed for use on Linux.
2. Install Apache
Step 1: Install Apache as Yum
[root@howtolinux ~]# yum install httpd

Step 2: Start Apache
[root@howtolinux ~]# /etc/init.d/httpd start
or
[root@howtolinux ~]# service httpd start

Step 3: Configure set the service to start on startup/reboot
[root@howtolinux ~]# chkconfig httpd on

Step 4: Check visit the url/ip for you server in a web browser to make sure apache is running
Example: http://192.168.1.41

Done, Good Luck!