ssh_auth.sh

#!/bin/bash

function usage {
  cat <<EOF

USAGE: $0
  set/unset ssh auth 

set  : ln -s $0 set_ssh.sh
unset: ln -s $0 unset_ssh.sh

$0 user@server
$0 user@ip
$0 server
$0 ip

EOF
  exit 1
}
if [[ $# -eq 0 || $# -gt 1 ]] ; then
  usage 
fi
server=$1

if [[ $0 == "set_ssh.sh" ]] ; then
  cat ~/.ssh/id_rsa.pub ~/.ssh/id_dsa.pub |
  ssh ${server} 'mkdir -p ~/.ssh ; cat - >> ~/.ssh/authorized_keys'
elif [[ $0 == "unset_ssh.sh" ]] ; then
  ssh ${server} 'rm -rf .ssh'
else
  usage
fi