AMBARI-6158. Falcon package failed to install on Ubuntu (aonishuk)

ambari-agent/src/main/python/resource_management/core/providers/package/apt.py

@@ -23,7 +23,7 @@ from resource_management.core.providers.package import PackageProvider
 from resource_management.core import shell
 from resource_management.core.logger import Logger
 
-INSTALL_CMD = "env DEBIAN_FRONTEND=noninteractive /usr/bin/apt-get --force-yes --assume-yes install %s"
+INSTALL_CMD = "env DEBIAN_FRONTEND=noninteractive /usr/bin/apt-get -q -o Dpkg::Options::='--force-confdef' --force-yes --assume-yes install %s"
 REMOVE_CMD = "/usr/bin/apt-get -y -q remove %s"
 CHECK_CMD = "dpkg --get-selections %s | grep -v deinstall"