Subject: Re: [vserver] Sysctl settings for a vserver client
From: Herbert Poetzl <herbert@13thfloor.at>
Date: Fri, 4 Jan 2008 23:16:33 +0100

On Thu, Dec 27, 2007 at 01:14:55PM -0600, James Miller wrote:
> Hi everyone,
> 
> I'm have a vserver host running a 2.6.18 kernel, so it doesn't
> support the per guest sysctl settings (that require >=2.6.19
> kernel). How would I go about setting a per guest sysctl setting of
> 'kernel.core_pattern=core.%e%p'? On the guest, when I run 'sysctl -w
> kernel.core_pattern=core.%e%p' I get 'error: "Operation not permitted"
> setting key "kernel.core_pattern"'. I'm not worried about the guest
> being compromised so I wouldn't mind allowing that permission but I'm
> not sure which permission I need to re-enable on the guest.
> 
> One thing I did notice is that if I set that value on the host the guest
> seemed to inherit the value -- is that correct?

I think this setting is global, so even giving the 
proper permission would change it for everyone,
host and guests ...

best,
Herbert

> Any advice would be greatly appreciated.
> 
> 
> --Jim