Oct  8 10:00:03 ssjiang CRON[1082549]: pam_unix(cron:session): session closed for user www-data
Oct  8 10:00:03 ssjiang CRON[1082547]: pam_unix(cron:session): session closed for user root
Oct  8 10:01:01 ssjiang CRON[1122773]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 10:01:01 ssjiang CRON[1082548]: pam_unix(cron:session): session closed for user root
Oct  8 10:01:02 ssjiang CRON[1122773]: pam_unix(cron:session): session closed for user www-data
Oct  8 10:02:01 ssjiang CRON[1123007]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 10:02:01 ssjiang CRON[1123007]: pam_unix(cron:session): session closed for user www-data
Oct  8 10:03:01 ssjiang CRON[1123019]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 10:03:02 ssjiang CRON[1123019]: pam_unix(cron:session): session closed for user www-data
Oct  8 10:04:01 ssjiang CRON[1123029]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 10:04:02 ssjiang CRON[1123029]: pam_unix(cron:session): session closed for user www-data
Oct  8 10:05:01 ssjiang CRON[1123039]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 10:05:01 ssjiang CRON[1123040]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 10:05:01 ssjiang CRON[1123038]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 10:05:01 ssjiang CRON[1123040]: pam_unix(cron:session): session closed for user root
Oct  8 10:05:01 ssjiang CRON[1123039]: pam_unix(cron:session): session closed for user www-data
Oct  8 10:05:59 ssjiang CRON[1123038]: pam_unix(cron:session): session closed for user root
Oct  8 10:06:01 ssjiang CRON[1163477]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 10:06:01 ssjiang CRON[1163477]: pam_unix(cron:session): session closed for user www-data
Oct  8 10:07:01 ssjiang CRON[1163487]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 10:07:02 ssjiang CRON[1163487]: pam_unix(cron:session): session closed for user www-data
Oct  8 10:08:01 ssjiang CRON[1163496]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 10:08:02 ssjiang CRON[1163496]: pam_unix(cron:session): session closed for user www-data
Oct  8 10:09:01 ssjiang CRON[1163506]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 10:09:01 ssjiang CRON[1163507]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 10:09:01 ssjiang CRON[1163506]: pam_unix(cron:session): session closed for user root
Oct  8 10:09:01 ssjiang CRON[1163507]: pam_unix(cron:session): session closed for user www-data
Oct  8 10:10:01 ssjiang CRON[1163590]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 10:10:01 ssjiang CRON[1163592]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 10:10:01 ssjiang CRON[1163591]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 10:10:01 ssjiang CRON[1163589]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 10:10:01 ssjiang CRON[1163592]: pam_unix(cron:session): session closed for user root
Oct  8 10:10:02 ssjiang CRON[1163591]: pam_unix(cron:session): session closed for user www-data