Simple script to easily add ssh local key to authorized_keys. Execute as mkautosh me@host1.com me@host2.com

gistfile1.sh

#!/bin/bash

if [ -e ~/.ssh/id_rsa.pub ];
then
    echo "SSH Key already exists on local machine"
else
    echo "Generating SSH key on local machine"
    ssh-keygen -t rsa
    chmod -R 700 ~/.ssh
    ssh-add
fi

echo "Loading client public key into memory"
value=$(<~/.ssh/id_rsa.pub)

for server
do
    echo "Adding client public key to $server remote server authorized keys"
    ssh $server "mkdir -p ~/.ssh; echo \"$value\" >> ~/.ssh/authorized_keys;
    chmod 700 ~/.ssh && chmod 600 ~/.ssh/authorized_keys"
done
echo "SSH keys schronized successfully!"