Oct  5 23:30:03 ssjiang CRON[2173796]: pam_unix(cron:session): session closed for user root
Oct  5 23:31:01 ssjiang CRON[2212504]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 23:31:02 ssjiang CRON[2212504]: pam_unix(cron:session): session closed for user www-data
Oct  5 23:31:06 ssjiang CRON[2173797]: pam_unix(cron:session): session closed for user root
Oct  5 23:32:01 ssjiang CRON[2213648]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 23:32:02 ssjiang CRON[2213648]: pam_unix(cron:session): session closed for user www-data
Oct  5 23:33:01 ssjiang CRON[2213657]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 23:33:02 ssjiang CRON[2213657]: pam_unix(cron:session): session closed for user www-data
Oct  5 23:34:01 ssjiang CRON[2213666]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 23:34:01 ssjiang CRON[2213666]: pam_unix(cron:session): session closed for user www-data
Oct  5 23:35:01 ssjiang CRON[2213677]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  5 23:35:01 ssjiang CRON[2213675]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  5 23:35:01 ssjiang CRON[2213676]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 23:35:01 ssjiang CRON[2213677]: pam_unix(cron:session): session closed for user root
Oct  5 23:35:02 ssjiang CRON[2213676]: pam_unix(cron:session): session closed for user www-data
Oct  5 23:36:01 ssjiang CRON[2252832]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 23:36:02 ssjiang CRON[2252832]: pam_unix(cron:session): session closed for user www-data
Oct  5 23:36:04 ssjiang CRON[2213675]: pam_unix(cron:session): session closed for user root
Oct  5 23:37:01 ssjiang CRON[2253525]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 23:37:02 ssjiang CRON[2253525]: pam_unix(cron:session): session closed for user www-data
Oct  5 23:38:01 ssjiang CRON[2253534]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 23:38:01 ssjiang CRON[2253534]: pam_unix(cron:session): session closed for user www-data
Oct  5 23:39:01 ssjiang CRON[2253545]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 23:39:01 ssjiang CRON[2253544]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  5 23:39:01 ssjiang CRON[2253544]: pam_unix(cron:session): session closed for user root
Oct  5 23:39:02 ssjiang CRON[2253545]: pam_unix(cron:session): session closed for user www-data
Oct  5 23:40:01 ssjiang CRON[2253628]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  5 23:40:01 ssjiang CRON[2253627]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 23:40:01 ssjiang CRON[2253628]: pam_unix(cron:session): session closed for user root
Oct  5 23:40:01 ssjiang CRON[2253626]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  5 23:40:01 ssjiang CRON[2253625]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  5 23:40:02 ssjiang CRON[2253627]: pam_unix(cron:session): session closed for user www-data