UpdateServerKeys.sh

#!/bin/sh
KEY="$HOME/.ssh/id_rsa.pub"
SERVERS="[email protected] [email protected] [email protected] webserver mediacenter"

if [ ! -f $KEY ];then
   echo "private key not found at $KEY"
   echo "* please create it with \"ssh-keygen -t rsa -b 2048\" *"
   exit 1
fi

for SERVER in $SERVERS
do
   echo "Putting your key on $SERVER... "
   ssh -q $SERVER "umask 0077; mkdir -p ~/.ssh ; echo "`cat $KEY`" > ~/.ssh/authorized_keys"
   echo "done!"
done