From owner-freebsd-questions Sat Mar 10 9:24:59 2001 Delivered-To: freebsd-questions@freebsd.org Received: from mta03-svc.ntlworld.com (mta03-svc.ntlworld.com [62.253.162.43]) by hub.freebsd.org (Postfix) with ESMTP id 3EB4E37B718 for ; Sat, 10 Mar 2001 09:24:56 -0800 (PST) (envelope-from greid@ukug.uk.freebsd.org) Received: from sobek.openirc.co.uk ([62.252.8.197]) by mta03-svc.ntlworld.com (InterMail vM.4.01.02.27 201-229-119-110) with ESMTP id <20010310172454.PCWY283.mta03-svc.ntlworld.com@sobek.openirc.co.uk>; Sat, 10 Mar 2001 17:24:54 +0000 Date: Sat, 10 Mar 2001 17:15:04 +0000 (GMT) From: George Reid X-Sender: greid@sobek.openirc.co.uk To: Duraid Cc: "freebsd-questions@FreeBSD.ORG" Subject: Re: sysctl.. what is it In-Reply-To: <3AAA420C.DDD4B32@home.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Sat, 10 Mar 2001, Duraid wrote: > what is it? A way of setting or viewing various kernel options at runtime. You knew that already though; it's at the top of the manpage. > how does it work? It's magic. Use sysctl -w name=value to change a value, use sysctl name to see a value. Again, in the manpage. > if i set an option do i need to recompile or reboot? No. > where do i get a complete list of options? Read the kernel source in /usr/src/sys. sysctl -a lists all options available to the current system. > why don't we compile these options directly in the kernel? Because that would be stupid. Why the need to recompile/reboot if you're just choosing to ignore certain ICMP messages or something equally trivial? G "And then it comes to be that the soothing light at the end of your tunnel was just a freight train, comin' your way." George Reid * greid@ukug.uk.freebsd.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message