Oct  7 11:30:02 ssjiang CRON[2753182]: pam_unix(cron:session): session closed for user www-data
Oct  7 11:30:02 ssjiang CRON[2753180]: pam_unix(cron:session): session closed for user root
Oct  7 11:31:01 ssjiang CRON[2791676]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 11:31:02 ssjiang CRON[2791676]: pam_unix(cron:session): session closed for user www-data
Oct  7 11:31:07 ssjiang CRON[2753181]: pam_unix(cron:session): session closed for user root
Oct  7 11:32:01 ssjiang CRON[2793392]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 11:32:02 ssjiang CRON[2793392]: pam_unix(cron:session): session closed for user www-data
Oct  7 11:33:01 ssjiang CRON[2793401]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 11:33:02 ssjiang CRON[2793401]: pam_unix(cron:session): session closed for user www-data
Oct  7 11:34:01 ssjiang CRON[2793410]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 11:34:02 ssjiang CRON[2793410]: pam_unix(cron:session): session closed for user www-data
Oct  7 11:35:01 ssjiang CRON[2793420]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 11:35:01 ssjiang CRON[2793421]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 11:35:01 ssjiang CRON[2793422]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 11:35:01 ssjiang CRON[2793422]: pam_unix(cron:session): session closed for user root
Oct  7 11:35:01 ssjiang CRON[2793421]: pam_unix(cron:session): session closed for user www-data
Oct  7 11:36:01 ssjiang CRON[2831015]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 11:36:02 ssjiang CRON[2831015]: pam_unix(cron:session): session closed for user www-data
Oct  7 11:36:09 ssjiang CRON[2793420]: pam_unix(cron:session): session closed for user root
Oct  7 11:37:01 ssjiang CRON[2833629]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 11:37:01 ssjiang CRON[2833629]: pam_unix(cron:session): session closed for user www-data
Oct  7 11:38:01 ssjiang CRON[2833638]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 11:38:02 ssjiang CRON[2833638]: pam_unix(cron:session): session closed for user www-data
Oct  7 11:39:01 ssjiang CRON[2833648]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 11:39:01 ssjiang CRON[2833649]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 11:39:01 ssjiang CRON[2833648]: pam_unix(cron:session): session closed for user root
Oct  7 11:39:02 ssjiang CRON[2833649]: pam_unix(cron:session): session closed for user www-data
Oct  7 11:40:01 ssjiang CRON[2833733]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 11:40:01 ssjiang CRON[2833730]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 11:40:01 ssjiang CRON[2833732]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 11:40:01 ssjiang CRON[2833733]: pam_unix(cron:session): session closed for user root
Oct  7 11:40:01 ssjiang CRON[2833731]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 11:40:02 ssjiang CRON[2833732]: pam_unix(cron:session): session closed for user www-data