From owner-freebsd-questions@FreeBSD.ORG Mon Mar 16 14:54:47 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 02AA2106567D for ; Mon, 16 Mar 2009 14:54:47 +0000 (UTC) (envelope-from dan@dan.emsphone.com) Received: from email1.allantgroup.com (email1.emsphone.com [199.67.51.115]) by mx1.freebsd.org (Postfix) with ESMTP id AE3398FC2A for ; Mon, 16 Mar 2009 14:54:46 +0000 (UTC) (envelope-from dan@dan.emsphone.com) Received: from dan.emsphone.com (dan.emsphone.com [199.67.51.101]) by email1.allantgroup.com (8.14.0/8.14.0) with ESMTP id n2GEsjS8043577 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Mon, 16 Mar 2009 09:54:46 -0500 (CDT) (envelope-from dan@dan.emsphone.com) Received: from dan.emsphone.com (smmsp@localhost [127.0.0.1]) by dan.emsphone.com (8.14.3/8.14.3) with ESMTP id n2GEsjpY016465 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Mon, 16 Mar 2009 09:54:45 -0500 (CDT) (envelope-from dan@dan.emsphone.com) Received: (from dan@localhost) by dan.emsphone.com (8.14.3/8.14.3/Submit) id n2GEsiLS016463; Mon, 16 Mar 2009 09:54:44 -0500 (CDT) (envelope-from dan) Date: Mon, 16 Mar 2009 09:54:43 -0500 From: Dan Nelson To: Cipta H Message-ID: <20090316145443.GG24875@dan.emsphone.com> References: <13b997e60903152102w384b82dcu559c0b53d3b864d0@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <13b997e60903152102w384b82dcu559c0b53d3b864d0@mail.gmail.com> X-OS: FreeBSD 7.1-STABLE User-Agent: Mutt/1.5.19 (2009-01-05) X-Virus-Scanned: ClamAV version 0.94.1, clamav-milter version 0.94.1 on email1.allantgroup.com X-Virus-Status: Clean X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-2.0.2 (email1.allantgroup.com [199.67.51.78]); Mon, 16 Mar 2009 09:54:46 -0500 (CDT) X-Scanned-By: MIMEDefang 2.45 Cc: freebsd-questions@freebsd.org Subject: Re: netstat -NM uses X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 16 Mar 2009 14:54:49 -0000 In the last episode (Mar 16), Cipta H said: > I found these options in netstat and I'm interested in what they're for: > >      -M    Extract values associated with the name list from the specified >            core instead of the default /dev/kmem. > >      -N    Extract the name list from the specified system instead of the >            default, which is the kernel image the system has booted from. > > what are they for? Is it related to retrieving network data from another > host / system? What are the uses of these options? Thanks They're for extracting info from kernel crashdumps after the system has rebooted. ps, vmstat, and I think some other commands have them too. -- Dan Nelson dnelson@allantgroup.com