port 8081 for cadvisor bcause 8080 is already taken by ryu rest api
diff --git a/Vagrantfile b/Vagrantfile
index 3ed9a3f..2efc999 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -60,7 +60,7 @@
   # accessing "localhost:8080" will access port 80 on the guest machine.
   config.vm.network "forwarded_port", guest: 5000, host: 5000 # dummy gatekeeper
   config.vm.network "forwarded_port", guest: 5001, host: 5001 # REST API
-  config.vm.network "forwarded_port", guest: 8080, host: 8080 # cAdvisor
+  config.vm.network "forwarded_port", guest: 8081, host: 8081 # cAdvisor
   config.vm.network "forwarded_port", guest: 9091, host: 9091 # push gateway
 
   # Create a private network, which allows host-only access to the machine