How to configure Apache Server on CentOS

Edit configuration file :

Open the Apache configuration file following location and modify

        [root@sysadmin]#  vim   /etc/httpd/conf/httpd.conf

                            Listen       10.102.152.198:80
                     ServerName     www.manivel.com
                    DocumentRoot  "/var/www/html/manivel/"

             save and close.


Now Restart the service

            [root@sysadmin]#  /etc/init.d/httpd  restart

Disable Security Enhanced Linux (SElinux) :

             [root@sysadmin]#  vim /etc/selinux/config

Check Security Enhanced Linux status using following command

            [root@sysadmin]#  getenforce

Disable Firewall setting :

           [root@sysadmin ~]#   system-config-firewall-tui

You want with Firewall setting follow 

Start the iptables service

       [root@sysadmin ~]#   /etc/init.d/iptables  start

Write iptables rule to allow HTTP (or) port 80

       [root@sysadmin ~]#   iptables   -t   filter  -A   INPUT   -i   eth0  -p   tcp   --dport  80   -j   ACCEPT

Save the above rule using below command

        [root@sysadmin ~]#   /etc/init.d/iptables  save

Now Restart the iptables service

        [root@sysadmin ~]#   /etc/init.d/iptables  restart

Testing HTTP working or not

Yes, HTTP is working.