Oct  7 03:50:04 erlangs CRON[864321]: pam_unix(cron:session): session closed for user root
Oct  7 03:51:01 erlangs CRON[885826]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 03:51:01 erlangs CRON[885826]: pam_unix(cron:session): session closed for user root
Oct  7 03:52:01 erlangs CRON[891839]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 03:52:02 erlangs CRON[891839]: pam_unix(cron:session): session closed for user root
Oct  7 03:52:50 erlangs CRON[864322]: pam_unix(cron:session): session closed for user root
Oct  7 03:53:01 erlangs CRON[907520]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 03:53:01 erlangs CRON[907520]: pam_unix(cron:session): session closed for user root
Oct  7 03:54:01 erlangs CRON[907558]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 03:54:01 erlangs CRON[907558]: pam_unix(cron:session): session closed for user root
Oct  7 03:55:01 erlangs CRON[907600]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 03:55:01 erlangs CRON[907601]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 03:55:01 erlangs CRON[907601]: pam_unix(cron:session): session closed for user root
Oct  7 03:56:01 erlangs CRON[929761]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 03:56:02 erlangs CRON[929761]: pam_unix(cron:session): session closed for user root
Oct  7 03:57:01 erlangs CRON[936561]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 03:57:01 erlangs CRON[936561]: pam_unix(cron:session): session closed for user root
Oct  7 03:57:41 erlangs CRON[907600]: pam_unix(cron:session): session closed for user root
Oct  7 03:58:01 erlangs CRON[950814]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 03:58:01 erlangs CRON[950814]: pam_unix(cron:session): session closed for user root
Oct  7 03:59:01 erlangs CRON[950861]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 03:59:01 erlangs CRON[950861]: pam_unix(cron:session): session closed for user root
Oct  7 04:00:01 erlangs CRON[950901]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 04:00:01 erlangs CRON[950900]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 04:00:01 erlangs CRON[950902]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 04:00:01 erlangs CRON[950902]: pam_unix(cron:session): session closed for user root