trying to update avast definitions

[Michael Hirsch]

On Sun, Apr 25, 2010 at 3:28 PM, ray burke <rayburke30 at gmail.com> wrote:
> ---------- Forwarded message ----------
> From: ray burke <rayburke30 at gmail.com>
> Date: Apr 25, 2010 4:07 PM
> Subject: trying to update avast definitions
> To: Kubuntu users forum <kubuntu-users-bounces at lists.ubuntu.com>,
> kubuntu-users-owner <kubuntu-users-owner at lists.ubuntu.com>
>
>
> does any one know about this, as to update virus def in Kubuntu see
>  below received from Avast
>
>  I received this from avast but don't comprehend?
>
>
>  [ASW #MKK-509638]: Comment from DEMO license request for avast! for
>  Linux, From: ray burke‏
>  From:   avast sales (sales at avast.com)
>       Medium riskYou may not know this sender.Mark as safe|Mark as junk
>  Sent:   Monday, 19 April 2010 6:47:10 PM
>  To:     rayburke30 at hotmail.com
>
>  Hello,
>  some people might report that avast4linux/Workstation doesn't work with
>  latest VPS (problem started with 100328-1 for them). The reason is that
>  "macro"-block in 400.vps is now depacked to something bigger than
>  33554432 bytes - this is an artificial SHM block limitation in some
>  Linux kernels (kernel.shmmax).
>
>  Solution? Set the limit to higher values (as root):
>
>  sysctl -w kernel.shmmax=128000000
>  OR
>  echo 128000000 >/proc/sys/kernel/shmmax

I don't know anything about Avast, but I've had to do this with other
programs.  I think postgresql in some settings requires this
adjustment, too.  I don't know of any security issues with raising
that number.

Michael