Step By Step NFS Configuration in RedHat Linux

Please follow the below steps for configuring NFS 

Step 1:-

Create a directory like /var/ftp/pub and copy DVD files in it

#mkdir -p /var/ftp/pub
#mount /dev/dvd /mnt
#cd /mnt
#cp -vrf * /var/ftp/pub

Step 2:-

Verify file is shared or not and add line

#vi /etc/exports
/var/ftp/pub *(rw,sync)

Step 3:-

service restart
#service nfs restart
#service portmap restart

Step 4:-

Permanently services on

#chkconfig nfs on
#chkconfig portmap on

Step 5:-

verify either shared or not with the given command.
#showmount -e localhost
It shows the shared directory.

Step 6:-

check the default firewall is running on system
#chkconfig --list iptables
#chkconfig --list ip6tables

Step 7:-

If running then flush iptables stop service and off services
#service iptables stop
#service ip6tables stop
#chkconfig iptables off
#chkconfig ip6tables off
#iptables -F
#ip6tables -F

Step 8:-

You can check it on your pc also

#mount -t nfs 192.168.0.254:/var/ftp/pub /mnt

#cd /mnt

#ls