minor updates
diff --git a/linux/system/repo-local/ubuntu/xenial.yml b/linux/system/repo-local/ubuntu/xenial.yml
new file mode 100644
index 0000000..b4a1888
--- /dev/null
+++ b/linux/system/repo-local/ubuntu/xenial.yml
@@ -0,0 +1,10 @@
+parameters:
+ linux:
+ system:
+ repo:
+ ubuntu:
+ refresh_db: ${_param:linux_repo_refresh_db}
+ source: "deb [arch=amd64] http://${_param:local_repo_url}/xenial/ nightly main"
+ architectures: amd64
+ default: true
+ key_url: "http://${_param:local_repo_url}/public.gpg"