Oct  7 07:00:03 ssjiang CRON[578675]: pam_unix(cron:session): session closed for user www-data
Oct  7 07:00:03 ssjiang CRON[578673]: pam_unix(cron:session): session closed for user root
Oct  7 07:01:01 ssjiang CRON[617241]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 07:01:02 ssjiang CRON[617241]: pam_unix(cron:session): session closed for user www-data
Oct  7 07:01:07 ssjiang CRON[578674]: pam_unix(cron:session): session closed for user root
Oct  7 07:02:01 ssjiang CRON[618892]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 07:02:01 ssjiang CRON[618892]: pam_unix(cron:session): session closed for user www-data
Oct  7 07:03:01 ssjiang CRON[618904]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 07:03:02 ssjiang CRON[618904]: pam_unix(cron:session): session closed for user www-data
Oct  7 07:04:01 ssjiang CRON[618913]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 07:04:02 ssjiang CRON[618913]: pam_unix(cron:session): session closed for user www-data
Oct  7 07:05:01 ssjiang CRON[618924]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 07:05:01 ssjiang CRON[618923]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 07:05:01 ssjiang CRON[618925]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 07:05:01 ssjiang CRON[618925]: pam_unix(cron:session): session closed for user root
Oct  7 07:05:01 ssjiang CRON[618924]: pam_unix(cron:session): session closed for user www-data
Oct  7 07:06:01 ssjiang CRON[658395]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 07:06:02 ssjiang CRON[658395]: pam_unix(cron:session): session closed for user www-data
Oct  7 07:06:05 ssjiang CRON[618923]: pam_unix(cron:session): session closed for user root
Oct  7 07:07:01 ssjiang CRON[659131]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 07:07:01 ssjiang CRON[659131]: pam_unix(cron:session): session closed for user www-data
Oct  7 07:08:01 ssjiang CRON[659140]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 07:08:02 ssjiang CRON[659140]: pam_unix(cron:session): session closed for user www-data
Oct  7 07:09:01 ssjiang CRON[659150]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 07:09:01 ssjiang CRON[659151]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 07:09:01 ssjiang CRON[659150]: pam_unix(cron:session): session closed for user root
Oct  7 07:09:02 ssjiang CRON[659151]: pam_unix(cron:session): session closed for user www-data
Oct  7 07:10:01 ssjiang CRON[659231]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 07:10:01 ssjiang CRON[659228]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 07:10:01 ssjiang CRON[659229]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 07:10:01 ssjiang CRON[659230]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 07:10:01 ssjiang CRON[659231]: pam_unix(cron:session): session closed for user root
Oct  7 07:10:02 ssjiang CRON[659230]: pam_unix(cron:session): session closed for user www-data