diff --git a/ubuntu-14.04/scripts/base.sh b/ubuntu-14.04/scripts/base.sh
index 256da57..1358b64 100644
--- a/ubuntu-14.04/scripts/base.sh
+++ b/ubuntu-14.04/scripts/base.sh
@@ -2,8 +2,10 @@
 # Ensure our repository is the only one present
 echo "deb [arch=amd64] http://apt.tcpcloud.eu/nightly/ trusty main security extra tcp tcp-salt" > /etc/apt/sources.list
 
+export DEBIAN_FRONTEND=noninteractive
 echo "exit 101" > /usr/sbin/policy-rc.d
 chmod +x /usr/sbin/policy-rc.d
+apt-get clean
 apt-get update
 
 # Cleanup old kernels, ensure latest is installed via virtual package