SSH Shortcuts & Helpers

.bash_profile

# add this to your .bash_profile

export PATH=$PATH:$HOME/bin

_complete_ssh_hosts ()
{
        COMPREPLY=()
        cur="${COMP_WORDS[COMP_CWORD]}"
        comp_ssh_hosts=`cat ~/.ssh/known_hosts | \
                        cut -f 1 -d ' ' | \
                        sed -e s/,.*//g | \
                        grep -v ^# | \
                        uniq | \
                        grep -v "\[" ;
                cat ~/.ssh/config | \
                        grep "^Host " | \
                        awk '{print $2}'
                `
        COMPREPLY=( $(compgen -W "${comp_ssh_hosts}" -- $cur))
        return 0
}
complete -F _complete_ssh_hosts ssh

shuttup

#!/bin/bash -e

if [ $# -eq 0 ]
  then
    echo "Usage: sshutup %user@hostname.com.au%"
    exit 1
fi

user=${1%@*}
host=${1#*@}
IP=$(curl -Sfs https://wtfismyip.com/text)
KEY=$(cat ~/.ssh/id_rsa.pub)
echo 'Adding Key to '$host': from="'$IP'"' $KEY
echo 'from="'$IP'"' $KEY | ssh $user'@'$host 'cat >> ~/.ssh/authorized_keys'
ssh $user'@'$host 'chmod 600 ~/.ssh/authorized_keys'
echo "I'll create an ssh shortcut for you, what would you like to call it? eg. clientname"
read shortcut
cat >> ~/.ssh/config << EOL
Host ${shortcut}
	HostName ${host}
	User ${user}
EOL
echo 'Done, now just use ssh '$shortcut
exit;