Re: xscreensaver says missing pam_lastlog.so?

On Wed, 3 Jun 2026 16:08:36 +1000 [email protected] wrote:
> On 6/3/26 15:43, Samuel Sieb wrote:
>> Look in /etc/pam.d/xscreensaver. Remove any lines referencing lastlog.  
 
> Not mentioned there.
 
> However I see it in /etc/pam.d/postlogin, so removing it.

Beware, /etc/pam.d/postlogin is normally managed by authselect.

I have that on my F44 install:

  + authselect current
  Profile ID: local
  Enabled features:
  - with-silent-lastlog
  - with-fingerprint
  - with-mdns4

  + ls -l /etc/pam.d/postlogin
  lrwxrwxrwx. 1 root root 25 May 10 19:37 /etc/pam.d/postlogin -> /etc/authselect/postlogin

  + cat /etc/authselect/postlogin
  # Generated by authselect
  # Do not modify this file manually, use authselect instead. Any user changes will be overwritten.
  # You can stop authselect from managing your configuration by calling 'authselect opt-out'.
  # See authselect(8) for more details.



  session     optional                   pam_umask.so silent
  session     [success=1 default=ignore] pam_succeed_if.so service !~ gdm* service !~ su* quiet
  session     [default=1]                pam_lastlog2.so silent
  session     optional                   pam_lastlog2.so silent

  + cat /usr/share/authselect/default/local/postlogin
  auth        optional                   pam_ecryptfs.so unwrap                                 {include if "with-ecryptfs"}

  password    optional                   pam_ecryptfs.so unwrap                                 {include if "with-ecryptfs"}

  session     optional                   pam_umask.so silent
  session     [success=1 default=ignore] pam_succeed_if.so service !~ gdm* service !~ su* quiet
  session     [default=1]                pam_lastlog2.so {if "with-silent-lastlog":silent}
  session     optional                   pam_lastlog2.so silent

This shows that pam_lastlog has been replaced by pam_lastlog2.

See:

  https://discussion.fedoraproject.org/t/gdm-crashes-after-upgrade-to-fedora-43-due-to-authselect-migration/171961
  https://fedoraproject.org/wiki/Changes/Migrate_to_lastlog2

-- 
francis
-- 
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