auth.log Eintrag alle 30 Minuten

[debakel]

Hallo,
in /var/log/auth.log erscheinen bei mir in regelmäßigen Abständen von ~20-30 Minuten Einträge wie diese:

Apr 16 09:39:01 vs526 CRON[10637]: pam_unix(cron:session): session closed for user root
Apr 16 10:09:01 vs526 CRON[18247]: pam_unix(cron:session): session opened for user root by (uid=0)
Apr 16 10:09:01 vs526 CRON[18247]: pam_unix(cron:session): session closed for user root
Apr 16 10:17:01 vs526 CRON[19297]: pam_unix(cron:session): session opened for user root by (uid=0)
Apr 16 10:17:01 vs526 CRON[19297]: pam_unix(cron:session): session closed for user root
Apr 16 10:39:01 vs526 CRON[21930]: pam_unix(cron:session): session opened for user root by (uid=0)
Apr 16 10:39:01 vs526 CRON[21930]: pam_unix(cron:session): session closed for user root
Apr 16 11:09:01 vs526 CRON[25799]: pam_unix(cron:session): session opened for user root by (uid=0)
Apr 16 11:09:01 vs526 CRON[25799]: pam_unix(cron:session): session closed for user root
Apr 16 11:17:01 vs526 CRON[26777]: pam_unix(cron:session): session opened for user root by (uid=0)
Apr 16 11:17:01 vs526 CRON[26777]: pam_unix(cron:session): session closed for user root
Apr 16 11:39:01 vs526 CRON[31580]: pam_unix(cron:session): session opened for user root by (uid=0)
Apr 16 11:39:01 vs526 CRON[31580]: pam_unix(cron:session): session closed for user root
Apr 16 12:09:01 vs526 CRON[12023]: pam_unix(cron:session): session opened for user root by (uid=0)
Apr 16 12:09:01 vs526 CRON[12023]: pam_unix(cron:session): session closed for user root
Apr 16 12:17:01 vs526 CRON[13859]: pam_unix(cron:session): session opened for user root by (uid=0)
Apr 16 12:17:01 vs526 CRON[13859]: pam_unix(cron:session): session closed for user root

Nun würde ich gerne herausfinden, welche Cronjobs hierfür verantwortlich sind. Kann mir hier jemand weiter helfen?

 

[PapaBaer]

Einfach mal alle Cronjobs durchsehen. Je nach Cron-Daemon irgendwo unter /etc/cron*. Alternativ die Cronjobs von Root ausgeben lassen mit

crontab -l