Fix.

diff --git a/bookworm/scripts/setup_server.sh b/bookworm/scripts/setup_server.sh
index 2d4d90d0c0a588196fb4bb0ce0494cfaf34b532a..4ae0bf38fa1084d03c4df3c7e114b09e0217ac06 100755 (executable)
--- a/bookworm/scripts/setup_server.sh
+++ b/bookworm/scripts/setup_server.sh
@@ -28,7 +28,7 @@ echo " it's: ${EXTERNAP_IP}"
 
 if [ ! -z "FQDN" ]; then
     echo "Ensuring provided FQDN ${FQDN} maps to it …"
-    IP_BY_DNS=$(getent ahostsv4 | head -1 | cut -d' ' -f1)
+    IP_BY_DNS=$(getent ahostsv4 "${FQDN}" | head -1 | cut -d' ' -f1)
     if [ ! "${IP_BY_DNS}" = "${EXTERNAL_IP}" ]; then
         echo ""
         abort "DNS mapping provided FQDN '${FQDN}' to ${IP_BY_DNS} rather than this system's external IP ${EXTERNAL_IP}."