def METHOD_NAME(cxn):
    """
    Install apt packages listed in APT_PACKAGES
    """
    cxn.run(r'DEBIAN_FRONTEND=noninteractive')
    print('--------------------------------------------------')
    print('Installing apt packages in packages.txt')
    print('--------------------------------------------------')
    cxn.run(r'apt-get -qqy update')
    cxn.run(r'apt-get -qqy -o Dpkg::Options::="--force-confdef" '
            r'-o Dpkg::Options::="--force-confold" upgrade')
    cxn.run(r'apt-get -qqy -o Dpkg::Options::="--force-confdef" '
            r'-o Dpkg::Options::="--force-confold" install {}'
            .format(APT_PACKAGES))
    # example 3rd paty repo and install certbot
    # cxn.run('apt-get -qqy install software-properties-common')
    # cxn.run('add-apt-repository ppa:certbot/certbot -y')
    # cxn.run('apt-get -qqy update')
    # cxn.run('apt-get -qqy install python-certbot-apache')