Oct  8 03:20:04 erlangs CRON[508272]: pam_unix(cron:session): session closed for user root
Oct  8 03:21:01 erlangs CRON[529250]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 03:21:01 erlangs CRON[529250]: pam_unix(cron:session): session closed for user root
Oct  8 03:22:01 erlangs CRON[535804]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 03:22:02 erlangs CRON[535804]: pam_unix(cron:session): session closed for user root
Oct  8 03:22:58 erlangs CRON[508273]: pam_unix(cron:session): session closed for user root
Oct  8 03:23:01 erlangs CRON[551625]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 03:23:01 erlangs CRON[551625]: pam_unix(cron:session): session closed for user root
Oct  8 03:24:01 erlangs CRON[551677]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 03:24:01 erlangs CRON[551677]: pam_unix(cron:session): session closed for user root
Oct  8 03:25:01 erlangs CRON[551743]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 03:25:01 erlangs CRON[551742]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 03:25:02 erlangs CRON[551743]: pam_unix(cron:session): session closed for user root
Oct  8 03:26:01 erlangs CRON[572399]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 03:26:01 erlangs CRON[572399]: pam_unix(cron:session): session closed for user root
Oct  8 03:27:01 erlangs CRON[579133]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 03:27:01 erlangs CRON[579133]: pam_unix(cron:session): session closed for user root
Oct  8 03:28:00 erlangs CRON[551742]: pam_unix(cron:session): session closed for user root
Oct  8 03:28:00 erlangs CRON[595056]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 03:28:00 erlangs CRON[595056]: pam_unix(cron:session): session closed for user root
Oct  8 03:29:01 erlangs CRON[595096]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 03:29:01 erlangs CRON[595096]: pam_unix(cron:session): session closed for user root
Oct  8 03:30:01 erlangs CRON[595140]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 03:30:01 erlangs CRON[595142]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 03:30:01 erlangs CRON[595141]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 03:30:01 erlangs CRON[595142]: pam_unix(cron:session): session closed for user root