Redhat ES 2.x and pam.d/system-auth changes after an update

Bill McGonigle bill at bfccomputing.com
Wed Aug 18 22:39:00 EDT 2004


On Aug 18, 2004, at 21:01, Jeff Macdonald wrote:

> I ran
> up2date and noticed that the pam.d/system-auth that was in the rpm was
> saved with .rpmnew. Looking at the difference I see that $ISA has been
> added to most paths. So, anyone know if there is any danger in using
> the new config file?

$ISA indicates the cpu type (Instruction Set Architecture?), for 
dealing with 32-bit and 64-bit machines.

On 32-bit machines it should resolve to the null string, so it's 
probably meaningless for you.

If you had a 64-bit x86 (AMD) I think you'd get x86_64.  sparc9 is 
another.

The idea is for the mixed-mode machines you can have 64-bit mode 
authenticators and 32-bit authenticators, depending on how the app is 
compiled/executed

I'm not sure if a 64-bit app can use a 32-bit authenticator with a 
performance hit or if it just won't work.

-Bill
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