> Hi,
> 
> I think the jobs were hanged up there,
[...]
> before I could use the ps au | grep nvt | awk '{print $2} | sed
> 's/^.*$/ kill -9 &/g' > kill.sh  and run kill.sh.
> 
> now ps au does not show me this info any more.
[...]
> 
> what's the alternative choice,
Hi Lina,
You can install the procps package, then use 
   pkill nvt
Like kill, pkill takes a signal number as an option, so more
aggressively:
   pkill -9 nvt
-- 
Cheers,
Clive