Network File System (NFS)

Debian

Server

Install

sudo apt install nfs-kernel-server nfs-common

Config files:

• /etc/idmapd.conf
• /etc/default/nfs-common
• /etc/exports
• /etc/default/nfs-kernel-server

Exporting Directories

Create Directories

mkdir /home/client1
chown nobody:nogroup /home/client1
chmod 755 /home/client1

mkdir /var/www
chown root:root /var/www
chmod 755 /var/www 

Add to export

sudo nano /etc/exports

/etc/exports

# Save all files with user:group = nobody:nogroup
/home/client1           192.168.0.0/24 (rw,sync,no_subtree_check)
# Preserve files ownership and permissions (no_root_squash allows root to access folder)
/var/www        192.168.0.101/32 (rw,sync,fsid=0,crossmnt,no_subtree_check,no_root_squash)

Restart the nfs server

/etc/init.d/nfs-kernel-server restart

Client

Install

sudo apt install nfs-common

List available exports on NFS server

sudo showmount -e 192.168.0.103

Mount nfs volume

Create a directory to mount the volume

mkdir -p /mnt/nfs/home/client1
mkdir -p /var/www

Mount NFS Volume

mount 192.168.0.100:/home/client1 /mnt/nfs/home/client1
mount 192.168.0.100:/var/www /var/www

NFS Volume At Boot Time

via /etc/fstab

sudo nano /etc/fstab

/etc/fstab

192.168.0.100:/home/client1  /mnt/nfs/home/client1   nfs      rw,sync,hard,intr  0     0
192.168.0.100:/var/www  /var/www   nfs      rw,sync,hard,intr  0     0

Mount

mount -a

via SystemD

sudo apt-get install nfs-client
sudo modprobe nfs
sudo echo NFS | tee -a /etc/modules

sudo nano /etc/systemd/system/mnt-things.mount

• The file must match the mount path replacing '/' by '-'
• If the path has '-' replace them with '\\x2d'
• Example: /var/lib/transmission-daemon/downloads/HM_30 ---> var-lib-transmission\\x2ddaemon-downloads-HM_30.mount

content:

[Unit]
Description=Things devices
After=network.target

[Mount]
What=172.16.24.192:/mnt/things
Where=/mnt/things
Type=nfs
Options=_netdev,auto

[Install]
WantedBy=multi-user.target

Start mount service

systemctl daemon-reload
systemctl start mnt-media.mount
systemctl status mnt-things.mount
systemctl enable mnt-media.mount