Date: Sat, 10 Mar 2001 17:15:04 +0000 (GMT) From: George Reid <greid@ukug.uk.freebsd.org> To: Duraid <latif2221@home.com> Cc: "freebsd-questions@FreeBSD.ORG" <freebsd-questions@FreeBSD.ORG> Subject: Re: sysctl.. what is it Message-ID: <Pine.BSF.4.21.0103101711100.31802-100000@sobek.openirc.co.uk> In-Reply-To: <3AAA420C.DDD4B32@home.com>
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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
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