def disable_service(self, service_name):
    cmd = ['/opt/nedge/neadm/neadm', 'service', 'disable', service_name]
    if (not self.is_service_exist(service_name)):
        print('disable_service: Service {} does not exist'.format(service_name))
        return
    if self.is_service_enabled(service_name):
        self.exec_cmd('disable_service', cmd)
    else:
        print('disable_service: Service {} already disabled'.format(service_name))
def disable_service(self, service_name):
    cmd = ['/opt/nedge/neadm/neadm', 'service', 'disable', service_name]
    if (not self.is_service_exist(service_name)):
        print('disable_service: Service {} does not exist'.format(service_name))
        return
    if self.is_service_enabled(service_name):
        self.exec_cmd('disable_service', cmd)
    else:
        print('disable_service: Service {} already disabled'.format(service_name))