nfs-kernel-server と rpcbindの起動が必要
$ sudo apt install nfs-kernel-server
$ sudo vim /etc/exports
/disk1/share 192.168.1.0/24(rw,sync,no_subtree_check,no_root_squash)
$ sudo apt install nfs-common
$ sudo mount -t nfs -o rsize=1048576,wsize=1048576,soft,timeo=30,nfsvers=3 192.168.1.1:/disk1/share /mnt