fi
# Download required dependencies
-add-apt-repository -y ppa:openjdk-r/ppa
+echo "deb http://ppa.launchpad.net/openjdk-r/ppa/ubuntu xenial main" >> /etc/apt/sources.list.d/java.list
+echo "deb-src http://ppa.launchpad.net/openjdk-r/ppa/ubuntu xenial main" >> /etc/apt/sources.list.d/java.list
apt-get update
-apt-get install -y wget openjdk-8-jdk bind9 bind9utils bind9-doc apt-transport-https ca-certificates kea-dhcp4-server g++ libcurl4-gnutls-dev libboost-dev kea-dev
+apt-get install --allow-unauthenticated -y wget openjdk-8-jdk bind9 bind9utils bind9-doc apt-transport-https ca-certificates kea-dhcp4-server g++ libcurl4-gnutls-dev libboost-dev kea-dev
sleep 1
# Download DNS and DHCP config files