generate-ssh-config-for-link-local-from-ethers.sh

####################################
# Generates ~/.ssh/config entries  #
# using hostname+mac (/etc/ethers) #
####################################
#!/bin/bash
dev=${1:-'eth0'}      # use eth0 if no device specified
domain=.${2:-'local'} # use .local if no domain specified
while read line; do
  mac=$(echo $line|awk '{print $1}');
  host=$(echo $line|awk '{print $2}');
  eui64=$(echo $mac|ipv6calc -I mac -O eui64);
  printf "Host $host$domain\n\tHostname %s\n" \
         "fe80::${eui64}%%${dev}";
done