Oct  8 01:00:03 ssjiang CRON[889200]: pam_unix(cron:session): session closed for user www-data
Oct  8 01:00:03 ssjiang CRON[889198]: pam_unix(cron:session): session closed for user root
Oct  8 01:01:01 ssjiang CRON[928261]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 01:01:02 ssjiang CRON[928261]: pam_unix(cron:session): session closed for user www-data
Oct  8 01:01:06 ssjiang CRON[889199]: pam_unix(cron:session): session closed for user root
Oct  8 01:02:01 ssjiang CRON[929656]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 01:02:02 ssjiang CRON[929656]: pam_unix(cron:session): session closed for user www-data
Oct  8 01:03:01 ssjiang CRON[929668]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 01:03:02 ssjiang CRON[929668]: pam_unix(cron:session): session closed for user www-data
Oct  8 01:04:01 ssjiang CRON[929678]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 01:04:01 ssjiang CRON[929678]: pam_unix(cron:session): session closed for user www-data
Oct  8 01:05:01 ssjiang CRON[929689]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 01:05:01 ssjiang CRON[929688]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 01:05:01 ssjiang CRON[929689]: pam_unix(cron:session): session closed for user root
Oct  8 01:05:01 ssjiang CRON[929687]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 01:05:02 ssjiang CRON[929688]: pam_unix(cron:session): session closed for user www-data
Oct  8 01:06:01 ssjiang CRON[968670]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 01:06:02 ssjiang CRON[968670]: pam_unix(cron:session): session closed for user www-data
Oct  8 01:06:06 ssjiang CRON[929687]: pam_unix(cron:session): session closed for user root
Oct  8 01:07:01 ssjiang CRON[970133]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 01:07:02 ssjiang CRON[970133]: pam_unix(cron:session): session closed for user www-data
Oct  8 01:08:01 ssjiang CRON[970142]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 01:08:02 ssjiang CRON[970142]: pam_unix(cron:session): session closed for user www-data
Oct  8 01:09:01 ssjiang CRON[970153]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 01:09:01 ssjiang CRON[970153]: pam_unix(cron:session): session closed for user root
Oct  8 01:09:01 ssjiang CRON[970154]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 01:09:02 ssjiang CRON[970154]: pam_unix(cron:session): session closed for user www-data
Oct  8 01:10:01 ssjiang CRON[970232]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 01:10:01 ssjiang CRON[970231]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 01:10:01 ssjiang CRON[970234]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 01:10:01 ssjiang CRON[970233]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 01:10:01 ssjiang CRON[970234]: pam_unix(cron:session): session closed for user root