@isratrade this doesn't seem to work in Katello:

```
PUT -d {"name": "Test"} /katello/api/systems/5124f431-9ff8-4676-a15b-143e7c6ee350
```

```
Parameters: {"name"=>"Test", "action"=>"update", "controller"=>"api/v1/systems", "id"=>"5124f431-9ff8-4676-a15b-143e7c6ee350"}
```