Copy public key to authorized_keys

ssh-copy-id

#!/usr/bin/env sh
# Copy public key to authorized_keys of a remote machine
if [ -z $1 ];then
    echo "Usage"
    echo "ssh-copy-id hostname /path/to/public/key"
    exit
fi

if [ -z $2 ]; then
KEYCODE=`ssh-add -L`
else
KEYCODE=`cat $2`
fi

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