host=nas
host=$(hostname)
host=$host.lan
dir=/local


# check working nfs setup
dpkg -L nfs-kernel-server || sudo apt-get install nfs-kernel-server nfs-common sudo

grep $host /etc/hosts || sudo $EDITOR /etc/hosts

grep $dir /etc/exports \
 || echo "$dir  192.0.0.0/255.0.0.0(rw,sync,no_root_squash,no_subtree_check)" | sudo tee -a "/etc/exports"

sudo exportfs -rv
# exporting 192.0.0.0/255.0.0.0:/local

sudo service nfs-kernel-server restart

ping -c 1 "$host" && sudo showmount -e $host && sudo showmount -a $host

sudo mkdir -p  /mnt/tmp /etc/local/
sudo mount -o nolock $host:$dir /mnt/tmp # TODO host.lan
sudo mount -o nolock $host:/mnt/host-$host-local /mnt/tmp # TODO 


# install
dpkg -L autofs || sudo apt-get install autofs
sudo mkdir -p /etc/auto.master.d /mnt/nfs
echo "/mnt/nfs /etc/local/auto.nfs --ghost, --timeout=60" | sudo tee -a /etc/auto.master.d/nfs.autofs

# configure
cat<<EOF | sudo tee -a "/etc/local/auto.nfs"

#host-$host-local $host:/mnt/host-$host-local
host-$host-home  -fstype=nfs,rw,intr     $host:/mnt/host-$host-home
host-$host-local  -fstype=nfs,rw,intr    $host:/mnt/host-$host-local
host-$host-dir  -fstype=nfs,rw,intr    $host:$dir

EOF

# cd /mnt/nfs && ln -fs . mnt

sort /etc/local/auto.nfs | cut -d: -f 2 | sort | uniq | xargs -n 1 sudo mkdir -pv

# cd /mnt/nfs 
# sort /etc/local/auto.nfs | grep -v '^#' | cut -d' '  -f 1 | sort | uniq \
# | xargs sudo mkdir -p


sudo /etc/init.d/autofs restart
cd /mnt/nfs && ls | while read t ; do sudo rmdir -v /mnt/$t ; sudo ln -fsv "nfs/$t" "/mnt/$t" ; done

time ls /mnt/nfs/*/

dmesg

root     26112  0.1  0.8  15664  1644 ?        Ssl  14:45   0:00 /usr/sbin/automount --pid-file /var/run/autofs.pid
root     26282  0.0  0.4   4252   816 ?        S    14:46   0:00  \_ /bin/mount -n -t nfs nas:/mnt/host-nas-local /mnt/nfs/host-nas-local
root     26283  0.0  0.9   3644  1712 ?        S    14:46   0:00      \_ /sbin/mount.nfs nas:/mnt/host-nas-local /mnt/nfs/host-nas-local -n -o rw
root     26311  0.0  0.2   2260   556 ?        S    14:46   0:00          \_ rpc.statd --no-notify
root     26322  0.0  0.7   2952  1452 ?        Ss   14:46   0:00              \_ rpc.statd --no-notify


#  TODO : check
model=$(sudo udevadm info   /dev/sda | grep 'E: ID_MODEL=' | cut -d= -f2)
label=$model # TODO

cat<<EOF | sudo tee -a /etc/auto.master.d/ext-usb.autofs
/media/   /etc/local/auto.ext-usb --timeout=10,defaults,user,exec,uid=1000
EOF

cat<<EOF | sudo tee -a /etc/local/auto.ext-usb
$label            -fstype=auto           :/dev/disk/by-label/$label
EOF

echo $USER@$HOSTNAME
myuser@myhost

showmount -e nfsserver | grep myuser
/users/myuser myhost

dmesg | grep automount

Nov 22 14:14:31 localhost automount[[1022]]: >>
mount: nfsserver:/users/myuser failed,
reason given by server: Permission denied
Nov 22 14:14:31 localhost automount[[1022]]:
mount(nfs): nfs: mount failure nfsserver:/users/myuser on /home/myuser
Nov 22 14:14:31 localhost automount[[1022]]: failed to mount /home/myuser

cat /etc/auto.master
/home yp:auto.home

Problem was in DHCP and DNS .

@TaG: FS NFS mount SMB FusE FileSystem

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