4 # This shell script takes care of starting and stopping
5 # the kernel-mode NFS server.
8 # description: NFS is a popular protocol for file sharing across TCP/IP \
9 # networks. This service provides NFS server functionality, \
10 # which is configured via the /etc/exports file.
16 DESC="NFS kernel daemon"
19 # Exit if required binaries are missing.
20 [ -x $PREFIX/sbin/rpc.nfsd ] || exit 0
21 [ -x $PREFIX/sbin/rpc.mountd ] || exit 0
22 [ -x $PREFIX/sbin/exportfs ] || exit 0
25 DEFAULTFILE=/etc/default/nfs-kernel-server
28 PROCNFSD_MOUNTPOINT=/proc/fs/nfsd
29 if [ -f $DEFAULTFILE ]; then
34 modprobe -q $1 || true
38 if ! grep -E -qs "$1\$" /proc/filesystems
50 # See how we were called.
53 cd / # daemons should have root dir as cwd
54 if grep -q '^/' /etc/exports
57 do_mount nfsd $PROCNFSD_MOUNTPOINT || true
58 printf "Exporting directories for $DESC..."
59 $PREFIX/sbin/exportfs -r
62 printf "Starting $DESC:"
64 start-stop-daemon --start --quiet \
65 --exec $PREFIX/sbin/rpc.nfsd -- $RPCNFSDCOUNT
69 # make sure 127.0.0.1 is a valid source for requests
71 if [ -f /proc/net/rpc/auth.unix.ip/channel ]
73 fgrep -qs 127.0.0.1 /proc/net/rpc/auth.unix.ip/content || {
74 echo "nfsd 127.0.0.1 2147483647 localhost" >/proc/net/rpc/auth.unix.ip/channel
79 $PREFIX/bin/rpcinfo -u localhost nfs 3 >/dev/null 2>&1 ||
80 RPCMOUNTDOPTS="$RPCMOUNTDOPTS --no-nfs-version 3"
82 [ -z "$ClearAddr" ] || echo "nfsd 127.0.0.1 1" >/proc/net/rpc/auth.unix.ip/channel
84 start-stop-daemon --start --quiet \
85 --exec $PREFIX/sbin/rpc.mountd -- $RPCMOUNTDOPTS
88 echo "Not starting $DESC: No exports."
93 printf "Stopping $DESC: mountd"
94 start-stop-daemon --stop --oknodo --quiet \
95 --name rpc.mountd --user 0
97 start-stop-daemon --stop --oknodo --quiet \
98 --name nfsd --user 0 --signal 2
101 printf "Unexporting directories for $DESC..."
102 $PREFIX/sbin/exportfs -au
106 reload | force-reload)
107 printf "Re-exporting directories for $DESC..."
108 $PREFIX/sbin/exportfs -r
119 echo "Usage: nfs-kernel-server {start|stop|reload|force-reload|restart}"