nscd ?

[Andre Landwehr]

On Mon, Feb 04, 2002 at 01:56:57PM +0100, Jan Krüger wrote:
> ein Daemon scheint auf einem unsere Institutsrechner richtig breit zu machen ..
> Was für ein Dienst ist den nscd ? Wofür ist dieser gut ?

man nscd:
NAME
     nscd - name service caching daemon

SYNOPSIS
     nscd [OPTION...]

DESCRIPTION
     Nscd caches libc-issued requests to the Name Service. If retrieving NSS
     data is fairly expensive, nscd is able to speed up consecutive access to
     the same data dramatically and increase overall system performance.  Nscd
     should be run at boot time by /etc/init.d/nscd.

und falls das noch nicht reicht, man nsswitch.conf:
       Various functions in the C Library need to  be  configured
       to  work  correctly  in the local environment.  Tradition­
       ally, this was done by using files (e.g.,  `/etc/passwd'),
       but  other nameservices (like the Network Information Ser­
       vice (NIS) and the Domain Name Service (DNS)) became popu­
       lar,  and  were  hacked into the C library, usually with a
       fixed search order.

       The Linux libc5 with NYS support and the GNU C Library 2.x
       (libc.so.6)  contain  a  cleaner solution of this problem.
       It is designed after a method used by Sun Microsystems  in
       the  C library of Solaris 2. We follow their name and call
       this scheme "Name Service Switch" (NSS). The  sources  for
       the  "databases"  and  their lookup order are specified in
       the /etc/nsswitch.conf file.


Andre

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