diff --git a/ubuntu-unclound-image.sh b/ubuntu-unclound-image.sh
index ee113ea..61edc7c 100755
--- a/ubuntu-unclound-image.sh
+++ b/ubuntu-unclound-image.sh
@@ -11,9 +11,10 @@ set -x
 # XXX: Handle command-line arguments?
 RELEASE=eoan # 19.10
 ARCH=amd64
-IMAGE_PATH=ubuntu-$RELEASE-$(date --iso-8601).img.qcow2
+IMAGE_PATH=ubuntu-uncloud-$RELEASE-$(date --iso-8601).img.qcow2
 IMAGE_SIZE=10G
 NBD_DEVICE=/dev/nbd0
+APT_MIRROR=http://archive.ubuntu.com/ubuntu/
 
 cleanup() {
 	# The order here is important.
@@ -73,7 +74,7 @@ mount "${NBD_DEVICE}p1" /mnt/boot
 
 debootstrap \
 	--arch=$ARCH $RELEASE \
-	/mnt http://archive.ubuntu.com/ubuntu/
+	/mnt "$APT_MIRROR"
 
 mount --bind /dev /mnt/dev
 mount --bind /dev/pts /mnt/dev/pts
@@ -94,15 +95,15 @@ EOF
 
 # Configure package sources and update package index.
 cat >/mnt/etc/apt/sources.list <<EOF
-deb http://archive.ubuntu.com/ubuntu/ $RELEASE main restricted universe multiverse
-deb http://archive.ubuntu.com/ubuntu/ $RELEASE-security main restricted universe multiverse
-deb http://archive.ubuntu.com/ubuntu/ $RELEASE-updates main restricted universe multiverse
-deb http://archive.ubuntu.com/ubuntu/ $RELEASE-backports main restricted universe multiverse
+deb $APT_MIRROR $RELEASE main restricted universe multiverse
+deb $APT_MIRROR $RELEASE-security main restricted universe multiverse
+deb $APT_MIRROR $RELEASE-updates main restricted universe multiverse
+deb $APT_MIRROR $RELEASE-backports main restricted universe multiverse
 EOF
 run_root apt-get update
 
 # Install RDNSSD for DNS discovery from router advertisement. The service is enabled by default.
-run_root apt-get install rdnssd
+run_root apt-get install -y rdnssd
 
 # Initialize base services.
 run_root systemd-machine-id-setup