1.apt install nfs
2. /etc/init.d
rpcbind/nfs-kerner-server/nfs-comm
3. mkdir /tmp/nfs/android8
4. vi /etc/exports
# /etc/exports: the access control list for filesystems which may be exported
# to NFS clients. See exports(5).
#
# Example for NFSv2 and NFSv3:
# /srv/homes hostname1(rw,sync,no_subtree_check) hostname2(ro,sync,no_subtree_check)
#
# Example for NFSv4:
# /srv/nfs4 gss/krb5i(rw,sync,fsid=0,crossmnt,no_subtree_check)
# /srv/nfs4/homes gss/krb5i(rw,sync,no_subtree_check)
#
/tmp/nfs/android8 *(rw,sync,no_root_squash,no_subtree_check)
5. /etc/init.d/rcpbind start or restart
/etc/init.d/nfs-kernel-server start or restart
6. ps -e | grep nfs*
7. test
sudo mount -t nfs 192.168.1.100:/tmp/nfs/android8 /mnt/usb