diff --git a/cluster-manager.sh b/cluster-manager.sh
index 71049da..dfc43b3 100644
--- a/cluster-manager.sh
+++ b/cluster-manager.sh
@@ -158,6 +158,7 @@ echo 'NOTE: THIS ACTION HAS NOT BEEN TESTED YET!! JUST ECHOING COMMANDS...'
 			echo ssh -t ${SSH_USER}${HOST}.routetopa.eu "source $ARG_SCRIPT_NAME; rm $ARG_SCRIPT_NAME"
 		done
 		;;
+
 	db-backup)
 		ARG_BACKUP_NAME=$2
 		if [ -z $ARG_BACKUP_NAME ]; then
@@ -169,6 +170,7 @@ echo 'NOTE: THIS ACTION HAS NOT BEEN TESTED YET!! JUST ECHOING COMMANDS...'
 			host_recv_file ${HOST} ${ARG_BACKUP_NAME} ${HOST}-${ARG_BACKUP_NAME}
 		done
 		;;
+
 	db-restore)
 		ARG_BACKUP_NAME=$2
 		if [ -z ${ARG_BACKUP_NAME} ]; then
@@ -188,7 +190,6 @@ echo 'NOTE: THIS ACTION HAS NOT BEEN TESTED YET!! JUST ECHOING COMMANDS...'
 		;;
 
 	db-sql)
-echo 'NOTE: THIS ACTION HAS NOT BEEN TESTED YET!! JUST ECHOING COMMANDS...'
 		ARG_SCRIPT_NAME=$2
 		if [ -z $ARG_SCRIPT_NAME ]; then
 			echo "ERROR: Please specify the name of the sql. e.g.: $0 do_something.sql"
@@ -203,13 +204,15 @@ echo 'NOTE: THIS ACTION HAS NOT BEEN TESTED YET!! JUST ECHOING COMMANDS...'
 			echo ssh -t ${SSH_USER}${HOST}.routetopa.eu "mysql -u${MYSQL_USER} -p${MYSQL_PASS} ${MYSQL_DB} < ${ARG_SCRIPT_NAME}; rm ${ARG_SCRIPT_NAME}"
 		done
 		;;
+
 	update)
 echo 'NOTE: THIS ACTION HAS NOT BEEN TESTED YET!! JUST ECHOING COMMANDS...'
 		echo "Updating production sites..."
 		for HOST in ${HOSTLIST[@]}; do
-			echo ssh -t ${SSH_USER}${HOST}.routetopa.eu sudo ./spod-manager.sh -a update -p isisadmin -q isislab.unisa@gmail.com -r is15rdc1 -w http://spod.routetopa.eu/
+			host_exec_cmd ${HOST} "sudo ./spod-manager.sh -a update -p isisadmin -q isislab.unisa@gmail.com -r is15rdc1 -w http://spod.routetopa.eu/"
 		done
 		;;
+
 	""|help)
 		echo "ROUTE-TO-PA PROJECT: CLUSTER-MANAGER.SH"
 		echo " "