NFS

Commands

Command

Option

Description

nfsstat

list NFS statistics

-m

Print information about each of the mounted NFS file systems.

exportfs

maintain table of exported NFS file systems

-s

Display the current export list suitable for /etc/exports

-a

Export or unexport all directories.

-r

Reexport all directories, synchronizing /var/lib/nfs/etab with /etc/exports. This option removes entries in /var/lib/nfs/etab which have been deleted from /etc/exports, and removes any entries from the kernel export table which are no longer valid.

-u

Unexport one or more directories.

Showmount <ip>

show mount information for an NFS server

-e

Show the NFS server's export list

Fix NFS Mount at Boot

Use these options (Debian 10):

noauto,x-systemd.automount,_netdev

This forces systemd to take over auto-mounting responsibilites.

Just using _netdev alone fails to mount at boot; i.e.: 'network unreachable' - or - 'dependency failed'

Example fstab

/etc/fstab
10.0.0.1:/mountpoint  /mountpoint  nfs  noauto,x-systemd.automount,_netdev,rw,hard,intr,timeo=14,tcp,noatime  0 0

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