Script for finding Raspberry Pi computers on the network. The scripts searches for MAC addresses starting with `b8:27:eb:` (the Ethernet port on the Pi) and `80:1f:02` (Edimax wifi USB dongle).

findpi

#!/bin/sh
if which nmap > /dev/null ; then
    echo "Running nmap as root\n"
    IP_RANGE=$(ip addr | grep "inet " | awk '{ print $2}' | grep -v 127.0.0)
    sudo nmap -sP $IP_RANGE | grep -B2 -i 'b8:27:eb\|80:1f:02'
else
    if which arp-scan > /dev/null ; then
        echo "Running arp-scan as root\n"
        sudo arp-scan --interface=eth0 --localnet | grep 'b8:27:eb\|80:1f:02'
    else
        echo "Error: Must instal nmap or arp-scan." 1>&2
        echo "To install nmap on Ubuntu:" 1>&2
        echo "    sudo apt-get install nmap" 1>&2
        exit 1
    fi
fi