Fix.

diff --git a/bookworm/scripts/setup_server.sh b/bookworm/scripts/setup_server.sh
index 9f8fd9be3689af85c0fd662bbec53642cb973822..f77f4e4a32b98b9f207e61d58ad738920aec4edf 100755 (executable)
--- a/bookworm/scripts/setup_server.sh
+++ b/bookworm/scripts/setup_server.sh
@@ -26,7 +26,7 @@ echo -n 'Determining IP …'
 EXTERNAL_IP=$(hostname -I | cut -d' ' -f1)
 echo " it's: ${EXTERNAL_IP}"
 
-if [ ! -z "FQDN" ]; then
+if [ ! -z "${FQDN}" ]; then
     echo "Ensuring provided FQDN ${FQDN} maps to it …"
     IP_BY_DNS=$(getent ahostsv4 "${FQDN}" | head -1 | cut -d' ' -f1)
     if [ ! "${IP_BY_DNS}" = "${EXTERNAL_IP}" ]; then