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Re: Another rkhunter question



Hi,

On 17/05/09 16:35, Gene Heskett wrote:
> Greetings all;
> 
> What is /dev/shm?
> 
> I've given up on rkhunter ever shutting up about the group and passwd files, 
> but fussing about this is new.
> ---------------------- Start Rootkit Hunter Scan ----------------------
> Warning: Suspicious file types found in /dev:
>          /dev/shm/sem.ADBE_REL_root: data
>          /dev/shm/sem.ADBE_WritePrefs_root: data
>          /dev/shm/sem.ADBE_ReadPrefs_root: data
> 
> And indeed, these files that I nuked friday are back:
> [root coyote linux-2.6.30-rc6]# ls -l /dev/shm
> total 24
> -r-------- 1 root root 67108904 2009-05-16 02:37 pulse-shm-3724332759
> -rw-rw-rw- 1 root root       16 2009-05-16 20:33 sem.ADBE_ReadPrefs_root
> -rw-rw-rw- 1 root root       16 2009-05-16 20:33 sem.ADBE_REL_root
> -rw-rw-rw- 1 root root       16 2009-05-16 20:33 sem.ADBE_WritePrefs_root
> 
> Anything with 'pulse' in its name has been nuked by an 'rpm -e', and I 
> actually have working audio now, so can someone please explain this?  A 67 
> megabyte file in /dev for an shm device is for what purpose?
> 
> I looked at it with mc's hex viewer, and the first 10 or so megabytes are all 
> $00.  I got tired of standing on the page down key.
> 

About /dev/shm -
http://www.cyberciti.biz/tips/what-is-devshm-and-its-practical-usage.html (btw,
the first result in google). In a few words - it's better not to mess
with it :)
About the audio - It's not necessary for the player to use pulse. How do
you test it?

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