diff --git a/debian-13/scripts/networkd.sh b/debian-13/scripts/networkd.sh
index 5a78674..d5a75a7 100644
--- a/debian-13/scripts/networkd.sh
+++ b/debian-13/scripts/networkd.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+set -eux
 
 install -d -m 755 -o root -g root /etc/systemd/network
 cat > /etc/systemd/network/lan0.network << 'EOF'
@@ -17,3 +18,6 @@ mv /etc/network/interfaces /etc/network/interfaces.save
 mv /etc/network/interfaces.d /etc/network/interfaces.d.save
 systemctl enable systemd-networkd
 systemctl disable networking
+
+printf "nameserver %s\n" 9.9.9.9 8.8.8.8 >/etc/resolv.conf
+cat /etc/resolv.conf
diff --git a/debian-13/scripts/vagrant.sh b/debian-13/scripts/vagrant.sh
index 74ec814..8f56fc7 100644
--- a/debian-13/scripts/vagrant.sh
+++ b/debian-13/scripts/vagrant.sh
@@ -3,7 +3,14 @@ set -eu
 
 export DEBIAN_FRONTEND=noninteractive
 apt-get update
-apt-get install -y qemu-guest-agent nfs-common openssl curl sudo vim
+apt-get install -y \
+	qemu-guest-agent \
+	nfs-common \
+	openssl \
+	curl \
+	sudo \
+	vim \
+	python3-apt
 
 useradd -m -s /bin/bash -p "$(openssl passwd -1 vagrant)" vagrant