class RefreshAllSystemsTask implements Runnable {

    private static final Logger log = LoggerFactory.getLogger(RefreshAllSystemsTask.class);

    @Override
    public void run() {<FILL_FUNCTION_BODY>}
}

        //distribute all public keys
        try {
            SSHUtil.distributePubKeysToAllSystems();
        } catch (SQLException | GeneralSecurityException ex) {
            log.error(ex.toString(), ex);
        }

    
<no_super_class>