prep-remote.sh

    bash -c '
        if [ "$(whoami)" = root ]; then
            echo "No, you are supposed to run this bit as non-root"
            exit 1
        fi
        sudo -v
        pass=$(openssl rand -hex 16 | sed -e "s/\\(....\\)/\\1-/g; s/-\$//")
        echo "Chosen random password: $pass"
        {
            echo "root:$pass"
            echo "$(whoami):$pass"
        } | sudo chpasswd
        sudo sh -c "
                apt-get update
                apt-get upgrade
                apt-get -y install screen openssh-server
                service sshd start"
        echo
        echo "Remote access is set up."
        echo "Account:"
        echo "  $(whoami) : $pass"
        echo "Addresses:"
        ip addr | sed -e "/^ *inet/ b p; d; :p s/^ */    /"
        echo "SSH fingerprints:"
        for k in /etc/ssh/ssh_host*.pub; do
            ssh-keygen -lf $k | sed -e "s/^/    "
        done
        echo
    '