@mbhangui @bobbyprajan
Kar diya
used this website
https://www.linuxtechi.com/install-nfs-server-on-debian-10-buster/
Simply tried the first two lines under setting up NFS Server
then the command sudo apt install nfs-common
Only then it worked
Then from here
https://www.eliaslundgaard.com/posts/mount-nas-to-pi/
linaro@linaro-alip:~$ sudo apt install nfs-common
Reading package lists... Done
Building dependency tree
Reading state information... Done
nfs-common is already the newest version (1:1.3.4-2.5+deb10u1).
nfs-common set to manually installed.
The following packages were automatically installed and are no longer required:
libaom0 libdrm-freedreno1 libdrm-tegra0 libmysofa0 libva-drm2 libva-x11-2
libva2 libvdpau1 libvidstab1.1
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 200 not upgraded.
linaro@linaro-alip:~$ sudo mount -t nfs 192.168.0.115:/volume1/music /media/NAS
linaro@linaro-alip:~$ sudo df -k
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/root 14770540 3741740 10371744 27% /
devtmpfs 1959156 8 1959148 1% /dev
tmpfs 1968108 251916 1716192 13% /dev/shm
tmpfs 1968108 17388 1950720 1% /run
tmpfs 5120 4 5116 1% /run/lock
tmpfs 1968108 0 1968108 0% /sys/fs/cgroup
/dev/mmcblk1p8 4944 540 4148 12% /boot
tmpfs 393620 8 393612 1% /run/user/1000
tmpfs 393620 0 393620 0% /run/user/0
/dev/mmcblk0p1 123472876 84255036 39217840 69% /media/linaro/Tinker Music
192.168.0.115:/volume1/music 1917971584 1228731264 689121536 65% /media/NAS
linaro@linaro-alip:~$ sudo ls -l /media/NAS
total 4
drwxr-xr-x 125 1026 users 4096 Jan 28 11:47 'NAS MUSIC'
linaro@linaro-alip:~$