Oct  9 10:30:02 ssjiang CRON[437665]: pam_unix(cron:session): session closed for user www-data
Oct  9 10:30:02 ssjiang CRON[437663]: pam_unix(cron:session): session closed for user root
Oct  9 10:31:01 ssjiang CRON[477340]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 10:31:02 ssjiang CRON[477340]: pam_unix(cron:session): session closed for user www-data
Oct  9 10:31:06 ssjiang CRON[437664]: pam_unix(cron:session): session closed for user root
Oct  9 10:32:01 ssjiang CRON[478355]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 10:32:02 ssjiang CRON[478355]: pam_unix(cron:session): session closed for user www-data
Oct  9 10:33:01 ssjiang CRON[478364]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 10:33:01 ssjiang CRON[478364]: pam_unix(cron:session): session closed for user www-data
Oct  9 10:34:01 ssjiang CRON[478373]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 10:34:02 ssjiang CRON[478373]: pam_unix(cron:session): session closed for user www-data
Oct  9 10:35:01 ssjiang CRON[478386]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  9 10:35:01 ssjiang CRON[478384]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  9 10:35:01 ssjiang CRON[478385]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 10:35:01 ssjiang CRON[478386]: pam_unix(cron:session): session closed for user root
Oct  9 10:35:02 ssjiang CRON[478385]: pam_unix(cron:session): session closed for user www-data
Oct  9 10:36:01 ssjiang CRON[518324]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 10:36:02 ssjiang CRON[518324]: pam_unix(cron:session): session closed for user www-data
Oct  9 10:36:04 ssjiang CRON[478384]: pam_unix(cron:session): session closed for user root
Oct  9 10:37:01 ssjiang CRON[519072]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 10:37:02 ssjiang CRON[519072]: pam_unix(cron:session): session closed for user www-data
Oct  9 10:38:01 ssjiang CRON[519081]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 10:38:02 ssjiang CRON[519081]: pam_unix(cron:session): session closed for user www-data
Oct  9 10:39:01 ssjiang CRON[519091]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  9 10:39:01 ssjiang CRON[519092]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 10:39:01 ssjiang CRON[519091]: pam_unix(cron:session): session closed for user root
Oct  9 10:39:01 ssjiang CRON[519092]: pam_unix(cron:session): session closed for user www-data
Oct  9 10:40:01 ssjiang CRON[519173]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  9 10:40:01 ssjiang CRON[519175]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  9 10:40:01 ssjiang CRON[519172]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  9 10:40:01 ssjiang CRON[519175]: pam_unix(cron:session): session closed for user root
Oct  9 10:40:01 ssjiang CRON[519174]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 10:40:02 ssjiang CRON[519174]: pam_unix(cron:session): session closed for user www-data