$ ops image list -t onprem
+--------------------+--------+-------------------------------+
| NAME | STATUS | CREATED |
+--------------------+--------+-------------------------------+
| nanos-main-image | READY | 2019-03-21T15:06:17.567-07:00 |
+--------------------+--------+-------------------------------+
| nanos-node-image | READY | 2019-04-16T23:16:03.145-07:00 |
+--------------------+--------+-------------------------------+
| nanos-server-image | READY | 2019-03-21T15:50:04.456-07:00 |
+--------------------+--------+-------------------------------+