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pam_limits -- PAM module to limit resources

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DESCRIPTION

   The pam_limits PAM module sets limits on the system resources that can be
   obtained in a user-session. Users of uid=0 are affected by this limits,
   too.

   By default limits are taken from the /etc/security/limits.conf config
   file. Then individual *.conf files from the /etc/security/limits.d/
   directory are read. The files are parsed one after another in the order of
   "C" locale. The effect of the individual files is the same as if all the
   files were concatenated together in the order of parsing. If a config file
   is explicitly specified with a module option then the files in the above
   directory are not parsed.

   The module must not be called by a multithreaded application.

   If Linux PAM is compiled with audit support the module will report when it
   denies access based on limit of maximum number of concurrent login
   sessions.

OPTIONS

   conf=/path/to/limits.conf

           Indicate an alternative limits.conf style configuration file to
           override the default.

   debug

           Print debug information.

   set_all

           Set the limits for which no value is specified in the
           configuration file to the one from the process with the PID 1.

   utmp_early

           Some broken applications actually allocate a utmp entry for the
           user before the user is admitted to the system. If some of the
           services you are configuring PAM for do this, you can selectively
           use this module argument to compensate for this behavior and at
           the same time maintain system-wide consistency with a single
           limits.conf file.

   noaudit

           Do not report exceeded maximum logins count to the audit
           subsystem.

EXAMPLES

   These are some example lines which might be specified in
   /etc/security/limits.conf.

 *               soft    core            0
 *               hard    nofile          512
 @student        hard    nproc           20
 @faculty        soft    nproc           20
 @faculty        hard    nproc           50
 ftp             hard    nproc           0
 @student        -       maxlogins       4
 :123            hard    cpu             5000
 @500:           soft    cpu             10000
 600:700         hard    locks           10