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NFS server configuration.




How to configure NFS in Ubuntu/CentOS-

What is NFS -
NFS stands for Network File System, developed by Sun Microsystems. By using this protocol a user on a client computer can access files over a computer network much like local storage is accessed.

Let’s start with configuration -

First, we need to install the required packages. Tp install NFS package we need to run following command -
# apt install nfs-kernel-server        => For Ubuntu
# yum install nfs nfs-utils        => For CentOS/RedHat

Now create a directory that you want to share over the network.
# mkdir /nfsshare

Now change the permission of shared directory as bellow-
# chmod 777 /nfsshare

After all this, we need to make an entry in exports file-
# vim /etc/exports
/nfsshare    *(rw,sync)
Save and exit.

Note - ‘*’ denotes that shared directory available for all networks, instead of * we can give a particular IP address or domain name.
 ‘rw’ means read-write permission.
‘sync’ means it will synchronize the data real-time basis.
We can add more arguments on the basis of needs like ‘sec’ for security.

Now start and enable the services.
# systemctl start/enable nfs-server.service        => For CentOS/RedHat
# systemctl start nfs-kernel-server

Now export the shared directory -
# exportfs -rv

Add the firewall rules-        => For CentOS/RedHat
# firewall-cmd --permanent --add-service=nfs
# firewall-cmd --permanent --add-service=rpc-bind
# firewall-cmd --permanent --add-service=mountd
# firewall-cmd --reload
For Ubuntu -
# ufw allow nfs

Now start with the client configuration.

To see the shared directory we need to run following command -
# showmount -e <” server IP address”>

To mount NFS share in the client we need to follow these steps

First, we need to install nfs-utils packages in centos for ubuntu no need to install it’s already there.
# yum install nfs-utils

Now edit fstab file and the following line-
192.168.0.110:/nfsshare    /mnt    auto    defaults    0    0
Save and exit

If you guys have any doubts comment below otherwise you can send me an Email - johntheh4cker



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