added some script for the live usb image

contrib/liveusb/chroot.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+mount /dev/sdb1 /media/usb
+
+for part in dev sys proc; do
+	umount /media/usb/$part
+	mount -o bind /$part /media/usb/$part
+done
+
+chroot /media/usb

contrib/liveusb/setup.sh

@@ -0,0 +1,43 @@
+#!/bin/bash
+
+set -e
+
+RECEIPENTS="stvogel@eonerc.rwth-aachen.de,mstevic@eonerc.rwth-aachen.de"
+FROM="Simulator2Simulator Server <acs@0l.de>"
+
+SERVER=tux.0l.de
+USER=acs
+
+PORT=$(shuf -i 60000-65535 -n 1)
+
+IP=$(curl -s http://ifconfig.me)
+
+# check if system has net connectivity. otherwise die...
+ssh -q -o ConnectTimeout=2 $USER@$SERVER
+
+# setup SSH tunnel for mail notification
+ssh -f -N -L 25:localhost:25 $USER@$SERVER
+# setup SSH reverse tunnel for remote administration
+ssh -f -N -R $PORT:localhost:22 $USER@$SERVER
+
+# send mail with notification about new node
+mail -s "New S2SS node alive: $IP ($HOSTNAME)" -a "From: $FROM" "$RECEIPENTS" <<EOF
+There's a new host with the S2SS LiveUSB Image running:
+
+Reverse SSH tunnel port: $PORT
+Internet IP: $IP
+Hostname: $HOSTNAME
+
+Latency:
+$(ping -qc 5 $SERVER)
+
+Traceroute:
+$(traceroute $SERVER)
+
+Interfaces:
+$(ip addr)
+
+Hardware:
+$(lshw)
+
+EOF