public boolean uninstall() {
        if (tracker == null) {
            return false;
        }
        tracker.close();
        tracker = null;
        return true;
    }
@author <a href="mailto:vikasp@yahoo-inc.com">Vikas Panwar</a>
jdisc_core/src/main/java/com/yahoo/jdisc/core/ConsoleLogManager.java