[olug] Unix Tip: IDENTIFY A PROCESSES

[David Walker]

Another way to show what pid is listening to what port is
netstat --inet -nlp

and to see what pid matches what active connection use
netstat --inet -np

(run as root to see full information)

On Wednesday 26 March 2003 04:53 pm, Vincent wrote:
> An often overlooked feature of fuser is to get the pid which has bound a
> port: [-- at --- ~/]$ fuser -n tcp 25
> 25/tcp:               4466
> [-- at --- ~/]$ ps -p `fuser -n tcp 25 | awk '{print $2}'` fu
> USER       PID %CPU %MEM   VSZ  RSS TTY      STAT START   TIME COMMAND
> root      4466  0.0  0.0  2448 1228 ?        S    Mar16   0:53 sendmail:
> accepting connections
>
>
>
>
>
> ----- Original Message -----
>
> From: "Unix Guru Universe" <listserv at ugu.com>
> To: <olug at olug.org>
> Sent: Wednesday, March 26, 2003 1:23 PM
> Subject: [olug] Unix Tip: IDENTIFY A PROCESSES
>
> > =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> >
> >       UNIX GURU UNIVERSE
> >          UNIX HOT TIP
> >
> > Unix Tip 1911 - March 26, 2003
> >
> >     http://www.ugu.com/sui/ugu/show?tip.today
> >
> > =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> >
> >
> > IDENTIFY A PROCESSES
> >
> > The command fuser is very
> > handy when you want to know
> > which processes or users
> > have a file open. Its basic
> > syntax is:
> >
> > /etc/fuser -u /usr/my_application/foo
> >
> > You must enter the file's full
> > path name, as shown above.
> >
> > The fuser command is located
> > under the /etc directory on HP-UX,
> > AIX and SCO flavors. You must
> > login as root to use it.
> >
> > Its output is a raw list of
> > processes id numbers and users login
> > names.
> >
> > Please refer to your Unix man pages
> > to find more about this useful command.
> >
> >
> > This tip generously supported by: tinaco110 at hotmail.com
> >
> >
> >
> >
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