Preparation

• VM for Application (NFS Client)
• VM for Data/File Storage (NFS Server)

Setup

Setup on NFS Server

1. Update and install NFS server package

sudo apt update 
sudo apt install nfs-kernel-server

2. Create directory to share

sudo mkdir /nfs_share

3. Set permission for shared directory

sudo chown nobody:nogroup /nfs_share
sudo chmod 777 /nfs_share

4. Configure NFS export

sudo nano /etc/exports

add this line

/nfs_share VM_APP_IP(rw,sync,no_subtree_check)

5. Apply changes and restart server

sudo exportfs -a
sudo systemctl restart nfs-kernel-server

Setup on NFS Client

1. Update and install NFS server package

sudo apt update
sudo apt install nfs-common

2. Create mount point

sudo mkdir /mnt/nfs_clientshare

3. Mount NFS Share

sudo mount VM_DATA_IP:/nfs_share /mnt/nfs_clientshare

4. Edit fstab to make mount permanent

sudo nano /etc/fstab

add this line

VM_DATA_IP:/nfs_share /mnt/nfs_clientshare nfs defaults 0 0

Testing

On NFS Client, try creating file in mount point

touch /mnt/nfs_clientshare/testfile

If success, file will be appears also in NFS Server in folder /nfs_share

You also can use this command to verify mount, run this on NFS Client

mount | grep nfs

or

df -h

Additional: Firewall Configuration

Check and Enable Firewall

Check if active

sudo ufw status

If it shows “Status: inactive”, the firewall is not enabled.

Enable if not active

sudo ufw enable

Check existing rule

sudo ufw status verbose

On NSF Server

Allow NFS traffic

sudo ufw allow from VM_APP_IP to any port nfs
sudo ufw allow 2049

alternatively, we need to open this port