how to configure a NFS server in redhat

                                                                              

         NFS

Introduction:-  NFS means Network File System used for distributed file system protocol at whichwe allow acess to files from multiple hosts sharing via a computer network NFS is developed by  sun microsystem it allowing a user on client computer to access files over a network in a manner similar to how local storage is access

Steps how to configure a NFS server                                      

 To configure the NFS service we required the three type of service nfs service,portmap service,xinetd service first check that there are all three service is install in the system or not if there are not install all these services the you will copy the service folder from ur redhat iso image or DVD

Following steps is used to configure the NFS server

Step1:- mount the pendrive into system

a) To check whether a pendrive is attaced with system mount /dev/sd

b) now select the port of external device mount  /dev/sdb1  /mnt

c)  Copy-Paste the  services folder from  redhat  into  system  named as /dump

        cp  -rf /mnt/server/* /dump

 Step2:-  

                                                                                                                                         

a)      now install all the createrepo Package from ur /dump Directory by rpm      command

rpm  -ivh /dump/createrepo-0.4.4-2.fc6.noarch.rpm

b) after install type command createrepo –v /dump

b)     

Step3:- now install the nfs service,portmap service,xinetd service from /dump directory  rpm –ivh /dump/nfs*

Step4:- also install the xinetd service from /dump directory

            rpm –ivh /dump/xinetd*

Step5:- Restart the nfs service

 Step6:- Restart the portmap service

Step7:- Now restart the xinetd sevice

 

Step8:- After reboot it check the configuration on

 chkconfig portmap on

chkconfig xinetd on

chkconfig nfs on

Step8:-Now you check that all the sevices all running or not

      a)      Service nfs status

 

b)  Service portmap status

c)  Service xinetd status

Step9:- Create a directory /data and provide full acess to it

         mkdir /data

Step10:- now edit the exports file using vi editer

              vi /etc/exports

Step11:- Open the configuration file and type the line

/data     *(rw,sync)

And save this by type shift+:+wqa

Step12:- Now restart all the services nfs,portmap,xinetd

Step13:- exportfs –r used to restart the nfs daemons

Step14:- Showmount command is used to display all the directories from the specific host machine

           Showmount  -e