eval {
        local $SIG{ALRM} = sub { die "alarm\n" }; # NB: \n required
        alarm 10;
        system("/nsh/bin/nexec $node \"date\" > /dev/null 2>&1");
        alarm 0;
};
if ($@) { ### Timed Out
        print "Block 1 Alarm, blkillhung $node\n";
        &killhung($node);
        $CMOK = 1;
        eval {
                local $SIG{ALRM} = sub { die "alarm\n" }; # NB: \n required
                alarm 10;
                system("rcmd -q -n $node \"date\" > /tmp/date.${node}");
                alarm 0;
        };
        if ($@) { ### Timed Out
                print "Block 2 Alarm, killhung $node\n";
                &killhung($node);
                $CMOK = 1;
        }
        else {
                $CMOK = 0;
        }
}