static void setRmiServerHostname(final @Nullable String rmiHostname) {
    if (isNotBlank(rmiHostname)) {
      if (logger.isDebugEnabled()) {
        logger.debug("Setting RMI hostname to : {}", rmiHostname);
      }
      System.setProperty(JAVA_RMI_SERVER_HOSTNAME, rmiHostname);
    }
  }
Sets the {@code java.rmi.server.hostname} System Property.

@param rmiHostname to set property to if not blank
geode-core/src/main/java/org/apache/geode/management/internal/ManagementAgent.java