presto-main/src/main/java/io/prestosql/server/InternalCommunicationModule.java/InternalCommunicationModule/getLocalCanonicalHostName
class InternalCommunicationModule:    private static String getLocalCanonicalHostName()
    {
        try {
            return InetAddress.getLocalHost().getCanonicalHostName().toLowerCase(Locale.US);
        }
        catch (UnknownHostException e) {
            throw new UncheckedIOException(e);
        }
    }