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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!news.rmit.EDU.AU!news.unimelb.EDU.AU!munnari.OZ.AU!spool.mu.edu!howland.reston.ans.net!newsfeed.internetmci.com!btnet!zetnet.co.uk!demon!pencotts.demon.co.uk From: Andrew Gordon <andrew.gordon@net-tel.co.uk> Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: Configuring the BPF option? Date: Sat, 13 Jan 1996 17:34:39 GMT Lines: 32 Message-ID: <821554479.21525@pencotts.demon.co.uk> References: <4d8m2e$ao@ixnews2.ix.netcom.com> NNTP-Posting-Host: pencotts.demon.co.uk X-NNTP-Posting-Host: pencotts.demon.co.uk X-Mailer: Mozilla 1.1N (X11; I; BSD/386 uname failed) MIME-Version: 1.0 To: mlwillia@ix.netcom.com X-URL: news:4d8m2e$ao@ixnews2.ix.netcom.com Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=us-ascii mlwillia@ix.netcom.com (Michael Williams) wrote: >I've seen many references to recompilng the kernel with the "BPF" >option. For give my ignorance but is that done by simply adding a >line like?: > >options BPF #Berkeley Packet Filter No, more like: pseudo-device bpfilter 8 where the '8' can be any number - it's the maximum number of tcpdump (or similar) programs you wish to run simultaneously. >One other thing, why is it that I cannot execute an executable that is >not located in my path....I would think as long as I am in the >directory with the executable is located that it would work? For >example, in order to run MAKEDEV (located in /dev) I had to change my >path to include /dev. I'm sure it's something I've set wrong, but.... Solutions: a) Add the current directory (".") to your path. Not recommended in multi-user environments, as it is a security risk b) You can run executables from your current directory explicitly - eg. ./MAKEDEV You certainly don't need to keep changing the path.