Re: sysctl defaults

Garst R. Reese (reese@isn.net)
Sat, 04 Apr 1998 18:53:14 -0400

Rik van Riel wrote:
>
> On Mon, 30 Mar 1998, Garst R. Reese wrote:
>
> > I try cat "40 500 64 256 15 30*HZ 5*HZ 1884 2" > /proc/sys/vm/bdflush ??
> > except changing something. Now I make a typo and crash my system. How do
> > I recover.
>
> - the original defaults will be restored after boot
> - you usually don't crash the machine while you're doing important
> work, since you won't be working and hacking at the same time
> - you have to do something _very_ strange to crash the machine, I once
> catted the bdflush values to swapctl --> no crash or anything

Happy to hear that and also that I'm not the only one that does dumb
s**t :)

> > I think we need some sysctl utilities that prove some sanity checks and
> > some info that says "If you have a gig of mem you might like this"
> > "If you have only 8Mb try this".
>
> Yes, we certainly need something like that. A good ncurses/X interface
> with proper help is the way to go.
>
> Of course the program needs to be split in an engine and a
> kernel-data file, so you don't have to recompile the thing
> when you upgrade your kernel...
>
> All we have to do now is find some volunteers :)
>
> Rik.
Fraid I can't help much there. I mostly do math thingies.

-- 
Thanks, Garst


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