Ubuntu 21.04
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NFS : Configure NFS Client
2021/05/07
 
Configure NFS Client to mount NFS Share on NFS Client.
This example is based on the environment like follows.
+----------------------+          |          +----------------------+
| [    NFS Server    ] |10.0.0.30 | 10.0.0.51| [    NFS Client    ] |
|     dlp.srv.world    +----------+----------+    node01.srv.world  |
|                      |                     |                      |
+----------------------+                     +----------------------+

[1] Configure NFS Client.
root@node01:~#
apt -y install nfs-common
root@node01:~#
vi /etc/idmapd.conf
# line 6 : uncomment and change to your domain name

Domain =
srv.world
root@node01:~#
mount -t nfs dlp.srv.world:/home/nfsshare /mnt

root@node01:~#
df -hT

Filesystem                        Type   Size  Used Avail Use% Mounted on
tmpfs                             tmpfs  393M  1.1M  392M   1% /run
/dev/mapper/ubuntu--vg-ubuntu--lv ext4    20G  6.3G   13G  34% /
tmpfs                             tmpfs  2.0G     0  2.0G   0% /dev/shm
tmpfs                             tmpfs  5.0M     0  5.0M   0% /run/lock
tmpfs                             tmpfs  4.0M     0  4.0M   0% /sys/fs/cgroup
/dev/vda2                         ext4   976M  128M  782M  14% /boot
tmpfs                             tmpfs  393M  4.0K  393M   1% /run/user/0
dlp.srv.world:/home/nfsshare      nfs4    20G  6.3G   13G  34% /mnt
# NFS share is mounted

# if mount with NFSv3, add [-o vers=3] option

root@node01:~#
mount -t nfs -o vers=3 dlp.srv.world:/home/nfsshare /mnt
[2] To mount automatically when System starts, Configure setting in [/etc/fstab].
root@node01:~#
vi /etc/fstab
# add to the end : set NFS share

dlp.srv.world:/home/nfsshare /mnt               nfs     defaults        0 0
[3] To mount dynamically when anyone access to NFS Share, Configure AutoFS.
root@node01:~#
apt -y install autofs
root@node01:~#
vi /etc/auto.master
# add to the end

/-    /etc/auto.mount

root@node01:~#
vi /etc/auto.mount
# create new : [mount point] [option] [location]

/mnt   -fstype=nfs,rw  dlp.srv.world:/home/nfsshare

root@node01:~#
systemctl restart autofs
# move to the mount point to verify mounting

root@node01:~#
cd /mnt

root@node01:/mnt#
total 16
drwxr-xr-x  3 root root 4096 May  7 07:00 ./
drwxr-xr-x 20 root root 4096 Apr 27 01:59 ../
drwxr-xr-x  2 root root 4096 May  7 07:00 testdir/
-rw-r--r--  1 root root    9 May  7 07:00 testfile.txt

root@node01:/mntdir#
grep /mnt /proc/mounts

/etc/auto.mount /mnt autofs rw,relatime,fd=6,pgrp=3071,timeout=300,minproto=5,maxproto=5,direct,pipe_ino=31816 0 0
dlp.srv.world:/home/nfsshare /mnt nfs4 rw,relatime,vers=4.2,rsize=524288,wsize=524288,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,clientaddr=10.0.0.51,local_lock=none,addr=10.0.0.30 0 0
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