<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def probe_enable(cls, resource):
 """ Activate a probe on a webaccelerator """

        oper = cls.call('hosting.rproxy.probe.enable', cls.usable_id(resource))
        cls.echo('Activating probe on %s' % resource)
        cls.display_progress(oper)
        cls.echo('The probe have been activated')
        return oper