post_install() {
    echo "==>"
    echo "==> To enabled lightdm-autologin-greeter, change the following config files:"
    echo "==>"
    echo "==>  /etc/lightdm/lightdm.conf"
    echo "==>    greeter-session = lightdm-autologin-greeter"
    echo "==>    user-session=lightdm-xsession"
    echo "==>    autologin-user=YOUR_USERNAME"
    echo "==>    pam-service=lightdm"
    echo "==>    pam-autologin-service=lightdm-autologin"
    echo "==>"
    echo "==>  /etc/pam.d/lightdm"
    echo "==>    #%PAM-1.0"
    echo "==>    auth        sufficient  pam_succeed_if.so user ingroup nopasswdlogin"
    echo "==>    auth        include     system-login"
    echo "==>    ..."
    echo "==>"
    echo "==> Then logout & restart lightdm:"
    echo "==>"
    echo "==>  sudo systemctl restart lightdm"
    echo "==>"
}

post_upgrade() {
    post_install
}