How to install Apache HTTP Server on CentOS

Here are the steps to install Apache HTTP Server on CentOS:

CentOS Version: 6.5

Step 1: Install Apache HTTP Server

sudo yum install httpd

Step 2: Configure the Firewall Rules

iptables -A INPUT -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT
service iptables save

Step 3: Check Apache HTTP Server to start service on boot

chkconfig --levels 235 httpd on

Step 4: Start Apache HTTP Server

sudo service httpd start