post_install() {
    # enable cronie service if it's not enabled
    systemctl is-enabled cronie > /dev/null || sudo systemctl enable cronie
    # start cronie service if it's not started
    systemctl is-active cronie > /dev/null || sudo systemctl start cronie
    # Notify the user to create the crontab and change default terminal
    tput setaf 196 # red color to bring your attention
    echo "==> Don't forget to change default terminal inside /etc/alun/conf.py"
    echo "==> Create a new crontab file using."
    echo "$ crontab /etc/alun/crontab"
    echo "==> Or"
    echo "==> Append crontab file to old one using."
    echo "$ cat /etc/alun/crontab >> /var/spool/cron/\$USER"
    tput sgr0
}

post_upgrade() {
    post_install
}