Github user brosander commented on the issue:
https://github.com/apache/nifi/pull/790
```
nifi-toolkit-1.0.0-SNAPSHOT brosander$ bin/tls-toolkit.sh standalone -n
host1,host2 -o tmp
16/08/04 14:19:44 INFO standalone.TlsToolkitStandaloneCommandLine: No
nifiPropertiesFile specified, using embedded one.
16/08/04 14:19:45 INFO standalone.TlsToolkitStandalone: Running standalone
certificate generation with output directory tmp and hostnames [host1, host2]
16/08/04 14:19:45 INFO standalone.TlsToolkitStandalone: Successfully
generated TLS configuration for host1:10443 in tmp/host1
16/08/04 14:19:45 INFO standalone.TlsToolkitStandalone: Successfully
generated TLS configuration for host2:10443 in tmp/host2
16/08/04 14:19:45 INFO standalone.TlsToolkitStandalone: Successfully
generated TLS configuration for all hosts
```
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