diff --git a/hosts_init.yml b/hosts_init.yml
index 5608d25..35ee348 100755
--- a/hosts_init.yml
+++ b/hosts_init.yml
@@ -63,6 +63,7 @@ datacenter:
             debian13-vm0[1:5].home.lan:
           vars:
             ansible_python_interpreter: /usr/bin/python3
+            ansible_ssh_common_args: "-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no"
             ansible_ssh_user: jd
             ansible_ssh_password: q
             ansible_become_method: sudo