Oct  8 08:40:01 ssjiang CRON[434724]: pam_unix(cron:session): session closed for user www-data
Oct  8 08:40:02 ssjiang CRON[434722]: pam_unix(cron:session): session closed for user root
Oct  8 08:40:59 ssjiang CRON[434723]: pam_unix(cron:session): session closed for user root
Oct  8 08:41:01 ssjiang CRON[475164]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 08:41:02 ssjiang CRON[475164]: pam_unix(cron:session): session closed for user www-data
Oct  8 08:42:01 ssjiang CRON[475173]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 08:42:02 ssjiang CRON[475173]: pam_unix(cron:session): session closed for user www-data
Oct  8 08:43:01 ssjiang CRON[475182]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 08:43:02 ssjiang CRON[475182]: pam_unix(cron:session): session closed for user www-data
Oct  8 08:44:01 ssjiang CRON[475191]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 08:44:01 ssjiang CRON[475191]: pam_unix(cron:session): session closed for user www-data
Oct  8 08:45:01 ssjiang CRON[475203]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 08:45:01 ssjiang CRON[475203]: pam_unix(cron:session): session closed for user root
Oct  8 08:45:01 ssjiang CRON[475201]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 08:45:01 ssjiang CRON[475202]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 08:45:02 ssjiang CRON[475202]: pam_unix(cron:session): session closed for user www-data
Oct  8 08:46:00 ssjiang CRON[475201]: pam_unix(cron:session): session closed for user root
Oct  8 08:46:00 ssjiang CRON[515641]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 08:46:01 ssjiang CRON[515641]: pam_unix(cron:session): session closed for user www-data
Oct  8 08:47:01 ssjiang CRON[515650]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 08:47:01 ssjiang CRON[515650]: pam_unix(cron:session): session closed for user www-data
Oct  8 08:48:01 ssjiang CRON[515659]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 08:48:02 ssjiang CRON[515659]: pam_unix(cron:session): session closed for user www-data
Oct  8 08:49:01 ssjiang CRON[515669]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 08:49:02 ssjiang CRON[515669]: pam_unix(cron:session): session closed for user www-data
Oct  8 08:50:01 ssjiang CRON[515681]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 08:50:01 ssjiang CRON[515679]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 08:50:01 ssjiang CRON[515678]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 08:50:01 ssjiang CRON[515681]: pam_unix(cron:session): session closed for user root
Oct  8 08:50:01 ssjiang CRON[515680]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 08:50:02 ssjiang CRON[515680]: pam_unix(cron:session): session closed for user www-data