Oct  6 02:50:05 erlangs CRON[517391]: pam_unix(cron:session): session closed for user root
Oct  6 02:51:01 erlangs CRON[539997]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 02:51:01 erlangs CRON[539997]: pam_unix(cron:session): session closed for user root
Oct  6 02:52:01 erlangs CRON[544136]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 02:52:01 erlangs CRON[544136]: pam_unix(cron:session): session closed for user root
Oct  6 02:53:01 erlangs CRON[559929]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 02:53:01 erlangs CRON[559929]: pam_unix(cron:session): session closed for user root
Oct  6 02:53:05 erlangs CRON[517392]: pam_unix(cron:session): session closed for user root
Oct  6 02:54:01 erlangs CRON[560534]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 02:54:01 erlangs CRON[560534]: pam_unix(cron:session): session closed for user root
Oct  6 02:55:01 erlangs CRON[560574]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 02:55:01 erlangs CRON[560573]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 02:55:01 erlangs CRON[560574]: pam_unix(cron:session): session closed for user root
Oct  6 02:56:01 erlangs CRON[583274]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 02:56:01 erlangs CRON[583274]: pam_unix(cron:session): session closed for user root
Oct  6 02:57:01 erlangs CRON[588174]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 02:57:01 erlangs CRON[588174]: pam_unix(cron:session): session closed for user root
Oct  6 02:58:01 erlangs CRON[560573]: pam_unix(cron:session): session closed for user root
Oct  6 02:58:01 erlangs CRON[603661]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 02:58:01 erlangs CRON[603661]: pam_unix(cron:session): session closed for user root
Oct  6 02:59:01 erlangs CRON[603699]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 02:59:01 erlangs CRON[603699]: pam_unix(cron:session): session closed for user root
Oct  6 03:00:01 erlangs CRON[603746]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 03:00:01 erlangs CRON[603747]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 03:00:01 erlangs CRON[603748]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 03:00:01 erlangs CRON[603748]: pam_unix(cron:session): session closed for user root