Date: Wed, 19 Jun 2002 12:40:30 +0400 (MSD) From: Varshavchick Alexander <alex@metrocom.ru> To: Peter Pentchev <roam@ringlet.net> Cc: hackers@FreeBSD.ORG Subject: Re: Getting pid of listening process Message-ID: <Pine.GSO.4.21.0206191238580.7233-100000@apache.metrocom.ru> In-Reply-To: <20020619080233.GC369@straylight.oblivion.bg>
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lsof seems to have problems on the server in question, it takes all cpu time and never returns for a long time... Installing the latest lsof release didn't help :( Alexander Varshavchick, Metrocom Joint Stock Company Phone: (812)118-3322, 118-3115(fax) On Wed, 19 Jun 2002, Peter Pentchev wrote: > Date: Wed, 19 Jun 2002 11:02:33 +0300 > From: Peter Pentchev <roam@ringlet.net> > To: Varshavchick Alexander <alex@metrocom.ru> > Cc: hackers@FreeBSD.ORG > Subject: Re: Getting pid of listening process > > On Wed, Jun 19, 2002 at 11:01:19AM +0300, Peter Pentchev wrote: > > On Wed, Jun 19, 2002 at 11:48:56AM +0400, Varshavchick Alexander wrote: > > > Hi gurus, > > > > > > can anybody make a hint as how pid of a process listening on a specified > > > tcp port can be determined? Of cause there are major utilities like lsof > > > or sockstat but they gather a lot of extra information and work not too > > > fast. What I need ideally would be a small C program which outputs pid > > > given a port number as a parameter, can anybody help? > > > > Very few things could work faster than lsof(1) with appropriate > > command-line options. I would suggest that you take the time to read > > the lsof manual page carefully, then try something like: > > > > lsof -nPli 4tcp:25 > > > > Of course, depending on your needs, you may want to drop the -P, -l or > > -n options. > > Hit 'send' too fast; if you are only interested in pid's, take a look at > the -t option, too :) > > G'luck, > Peter > > -- > Peter Pentchev roam@ringlet.net roam@FreeBSD.org > PGP key: http://people.FreeBSD.org/~roam/roam.key.asc > Key fingerprint FDBA FD79 C26F 3C51 C95E DF9E ED18 B68D 1619 4553 > If there were no counterfactuals, this sentence would not have been paradoxical. > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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