Oct  9 11:30:02 ssjiang CRON[926454]: pam_unix(cron:session): session closed for user root
Oct  9 11:31:01 ssjiang CRON[966274]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 11:31:02 ssjiang CRON[966274]: pam_unix(cron:session): session closed for user www-data
Oct  9 11:31:06 ssjiang CRON[926455]: pam_unix(cron:session): session closed for user root
Oct  9 11:32:01 ssjiang CRON[967145]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 11:32:01 ssjiang CRON[967145]: pam_unix(cron:session): session closed for user www-data
Oct  9 11:33:01 ssjiang CRON[967154]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 11:33:02 ssjiang CRON[967154]: pam_unix(cron:session): session closed for user www-data
Oct  9 11:34:01 ssjiang CRON[967163]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 11:34:02 ssjiang CRON[967163]: pam_unix(cron:session): session closed for user www-data
Oct  9 11:35:01 ssjiang CRON[967174]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  9 11:35:01 ssjiang CRON[967172]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  9 11:35:01 ssjiang CRON[967173]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 11:35:01 ssjiang CRON[967174]: pam_unix(cron:session): session closed for user root
Oct  9 11:35:01 ssjiang CRON[967173]: pam_unix(cron:session): session closed for user www-data
Oct  9 11:36:01 ssjiang CRON[1006098]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 11:36:02 ssjiang CRON[1006098]: pam_unix(cron:session): session closed for user www-data
Oct  9 11:36:08 ssjiang CRON[967172]: pam_unix(cron:session): session closed for user root
Oct  9 11:37:01 ssjiang CRON[1007861]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 11:37:01 ssjiang CRON[1007861]: pam_unix(cron:session): session closed for user www-data
Oct  9 11:38:01 ssjiang CRON[1007870]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 11:38:02 ssjiang CRON[1007870]: pam_unix(cron:session): session closed for user www-data
Oct  9 11:39:01 ssjiang CRON[1007881]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  9 11:39:01 ssjiang CRON[1007882]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 11:39:01 ssjiang CRON[1007881]: pam_unix(cron:session): session closed for user root
Oct  9 11:39:02 ssjiang CRON[1007882]: pam_unix(cron:session): session closed for user www-data
Oct  9 11:40:01 ssjiang CRON[1007964]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  9 11:40:01 ssjiang CRON[1007961]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  9 11:40:01 ssjiang CRON[1007963]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 11:40:01 ssjiang CRON[1007962]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  9 11:40:01 ssjiang CRON[1007964]: pam_unix(cron:session): session closed for user root