'Start a background tail job of all the component error logs.'

def tail_error_logs(self):

    log_dir = self.installation.LOG_DIR
    try:
        os.makedirs(log_dir)
    except OSError:
        pass
    tail_jobs = []
    for subsystem in self.get_all_subsystem_names():
        path = os.path.join(log_dir, (subsystem + '.err'))
        if (not os.path.exists(path)):
            open(path, 'w').close()
        tail_jobs.append(self.start_tail(path))
    return tail_jobs
