cleanup makefile variable names
diff --git a/xos/configurations/devel/Makefile b/xos/configurations/devel/Makefile
index e7bf0f4..90dabcc 100644
--- a/xos/configurations/devel/Makefile
+++ b/xos/configurations/devel/Makefile
@@ -1,5 +1,5 @@
 MYIP:=$(shell hostname -i)
-EXISTING_CONTAINER:=$(shell sudo docker ps|grep "xos"|awk '{print $$NF}')
+RUNNING_CONTAINER:=$(shell sudo docker ps|grep "xos"|awk '{print $$NF}')
 LAST_CONTAINER=$(shell sudo docker ps -l -q)
 
 test: common_cloudlab
@@ -13,10 +13,10 @@
 	make -C ../common -f Makefile.cloudlab
 
 stop:
-	sudo docker stop $(EXISTING_CONTAINER)
+	sudo docker stop $(RUNNING_CONTAINER)
 
 showlogs:
 	sudo docker logs $(LAST_CONTAINER)
 
 enter:
-	sudo docker exec -t -i $(EXISTING_CONTAINER) bash
+	sudo docker exec -t -i $(RUNNING_CONTAINER) bash
diff --git a/xos/configurations/frontend/Makefile b/xos/configurations/frontend/Makefile
index e44062d..d03e1bc 100644
--- a/xos/configurations/frontend/Makefile
+++ b/xos/configurations/frontend/Makefile
@@ -18,4 +18,4 @@
 	sudo docker logs $(LAST_CONTAINER)
 
 enter:
-	sudo docker exec -t -i $(EXISTING_CONTAINER) bash
\ No newline at end of file
+	sudo docker exec -t -i $(RUNNING_CONTAINER) bash