Sep 30 20:50:03 ssjiang CRON[2776544]: pam_unix(cron:session): session closed for user root
Sep 30 20:51:01 ssjiang CRON[2814493]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Sep 30 20:51:02 ssjiang CRON[2814493]: pam_unix(cron:session): session closed for user www-data
Sep 30 20:51:05 ssjiang CRON[2776545]: pam_unix(cron:session): session closed for user root
Sep 30 20:52:01 ssjiang CRON[2815313]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Sep 30 20:52:02 ssjiang CRON[2815313]: pam_unix(cron:session): session closed for user www-data
Sep 30 20:53:01 ssjiang CRON[2815322]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Sep 30 20:53:02 ssjiang CRON[2815322]: pam_unix(cron:session): session closed for user www-data
Sep 30 20:54:01 ssjiang CRON[2815332]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Sep 30 20:54:01 ssjiang CRON[2815332]: pam_unix(cron:session): session closed for user www-data
Sep 30 20:55:01 ssjiang CRON[2815343]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Sep 30 20:55:01 ssjiang CRON[2815343]: pam_unix(cron:session): session closed for user root
Sep 30 20:55:01 ssjiang CRON[2815341]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Sep 30 20:55:01 ssjiang CRON[2815342]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Sep 30 20:55:02 ssjiang CRON[2815342]: pam_unix(cron:session): session closed for user www-data
Sep 30 20:56:01 ssjiang CRON[2852584]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Sep 30 20:56:02 ssjiang CRON[2852584]: pam_unix(cron:session): session closed for user www-data
Sep 30 20:56:07 ssjiang CRON[2815341]: pam_unix(cron:session): session closed for user root
Sep 30 20:57:01 ssjiang CRON[2854107]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Sep 30 20:57:02 ssjiang CRON[2854107]: pam_unix(cron:session): session closed for user www-data
Sep 30 20:58:01 ssjiang CRON[2854116]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Sep 30 20:58:01 ssjiang CRON[2854116]: pam_unix(cron:session): session closed for user www-data
Sep 30 20:59:01 ssjiang CRON[2854126]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Sep 30 20:59:02 ssjiang CRON[2854126]: pam_unix(cron:session): session closed for user www-data
Sep 30 21:00:01 ssjiang CRON[2854137]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Sep 30 21:00:01 ssjiang CRON[2854135]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Sep 30 21:00:01 ssjiang CRON[2854138]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Sep 30 21:00:01 ssjiang CRON[2854138]: pam_unix(cron:session): session closed for user root
Sep 30 21:00:01 ssjiang CRON[2854136]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)