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Bug 190652 - PAM unable to dlopen
PAM unable to dlopen
Product: Red Hat Enterprise Linux 3
Classification: Red Hat
Component: vixie-cron (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Jason Vas Dias
Brock Organ
Depends On:
  Show dependency treegraph
Reported: 2006-05-04 04:11 EDT by bmcag-1
Modified: 2007-11-30 17:07 EST (History)
1 user (show)

See Also:
Fixed In Version: vixie-cron-4.1-11.EL3
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2006-05-30 18:34:23 EDT
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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Description bmcag-1 2006-05-04 04:11:51 EDT
Description of problem:

Version-Release number of selected component (if applicable):

How reproducible:

Logwatch says:

ay  3 00:01:02 r2d2 crond[9016]: PAM unable to dlopen(/lib/security/pam_krb5.so)
May  3 00:01:02 r2d2 crond[9016]: PAM [dlerror: /lib/security/pam_krb5.so:
cannot open shared object file: No such file or directory]

This message is logged hourly
Comment 1 Tomas Mraz 2006-05-04 04:17:58 EDT
This is most probably a misconfiguration. What is contents of your
/etc/pam.d/system-auth file and what says rpm -q pam_krb5?
Comment 2 bmcag-1 2006-05-04 05:16:08 EDT
[root@r2d2 index]# rpm -q pam_krb5
package pam_krb5 is not installed

# This file is auto-generated.
# User changes will be destroyed the next time authconfig is run.
auth        required      /lib/security/$ISA/pam_env.so
auth        sufficient    /lib/security/$ISA/pam_unix.so likeauth nullok
auth        required      /lib/security/$ISA/pam_deny.so

account     required      /lib/security/$ISA/pam_unix.so

password    required      /lib/security/$ISA/pam_cracklib.so retry=3 type=
password    sufficient    /lib/security/$ISA/pam_unix.so nullok use_authtok md5
password    required      /lib/security/$ISA/pam_deny.so

session     required      /lib/security/$ISA/pam_limits.so
session     required      /lib/security/$ISA/pam_unix.so
Comment 3 Tomas Mraz 2006-05-04 05:31:58 EDT
hmm, then what about /etc/pam.d/crond ?
Comment 4 bmcag-1 2006-05-04 05:33:57 EDT

[root@r2d2 index]# cat /etc/pam.d/crond
# The PAM configuration file for the cron daemon
auth    sufficient      pam_rootok.so
auth    required        pam_stack.so service=system-auth
auth    required        pam_env.so
account required        pam_stack.so service=system-auth
session required        pam_limits.so
session optional        pam_krb5.so

ok, here ist is...

[root@r2d2 index]# rpm -qvf /etc/pam.d/crond 

so it is a bug in vixie-cron, right? If yes, do I have to open a new bug?
Comment 5 Jakub Hrozek 2006-05-04 06:33:02 EDT
This issue has been resolved with vixie-cron-4.1-11.EL3, so you can either  
upgrade to this package or remove the line "session optional pam_krb5.so" from 
your /etc/pam.d/crond file. 
Comment 6 bmcag-1 2006-05-04 07:34:22 EDT
where can I get that update? I just ran up2date -u, but it is still
Comment 7 Jakub Hrozek 2006-05-04 07:57:39 EDT
It was released through the optional FastTrack channel, so you need to make  
sure your system is registered there (up2date --nox --show-channels) 

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