Used to upload keys to specific accounts usage: upload-authorized-keys.sh shellacct@hostname /path/to/key.pub

upload-authorized-keys.sh

#!/bin/sh
#
# upload-authorized-keys.sh
# by bill@wellingtonnet.net
#
# This script will take a key provided as an argument on the commandline and
# add it to the authorized_keys file on a remote server.  It can be used to 
# upload many keys in a short time, particularly once your key is already loaded.
#
# Usage: upload-authorized-keys.sh shellacct@hostname /path/to/local/copy/of/key.pub
#


# If no second arg, use public key in ~/.ssh
if [ -z $2 ]
then 
  # KEY="$HOME/.ssh/id_dsa.pub"
	KEY="$HOME/.ssh/id_rsa.pub"

	if [ ! -f ~/.ssh/id_rsa.pub ];then
		echo "private key not found at $KEY"
		echo "* please create it with "ssh-keygen -t [rsa|dsa]" *"
		echo "* to login to the remote host without a password, don't give the key you create with ssh-keygen a password! *"
		exit
	fi
else
	KEY=$2
fi

# If no first arg, then no destination!  complain!
if [ -z $1 ]
then
    echo "Please specify user@host.tld as the first switch to this script"
    exit
fi

echo "Adding $KEY to $1"

KEYCODE=`cat $KEY`
ssh -q $1 "mkdir ~/.ssh 2>/dev/null; chmod 700 ~/.ssh; echo "$KEYCODE" >> ~/.ssh/authorized_keys; chmod 644 ~/.ssh/authorized_keys"

echo "done!"