#!/bin/sh set -eu die () { echo "$@" exit 1 } which ip > /dev/null || die "Can't find ip." alias ssh='ssh -o "UserKnownHostsFile /dev/null" -o "StrictHostKeyChecking no" -i "$HOME/.ssh/bullguard-box_rsa" -l root -p 64222' gateway="$(ip neigh show | awk '$5 ~ /^38:b8:eb:5/ {print $1}')" [ -n "$gateway" ] || die "Can't find Dojo box IP." ssh "$gateway"