diff --git a/inventory/group_vars/all b/inventory/group_vars/all
index e1a4d129b7..7b279baaf7 100644
--- a/inventory/group_vars/all
+++ b/inventory/group_vars/all
@@ -51,3 +51,8 @@ env: production
 
 # nfs mount options, override at the group/host level
 nfs_mount_opts: "ro,hard,bg,intr,noatime,nodev,nosuid"
+
+# by default set sudo to false here We can override it as needed. 
+# Note that if sudo is true, you need to unset requiretty for 
+# ssh controlpersist to work. 
+sudo: false