Oct  8 09:40:03 ssjiang CRON[920632]: pam_unix(cron:session): session closed for user root
Oct  8 09:41:01 ssjiang CRON[920633]: pam_unix(cron:session): session closed for user root
Oct  8 09:41:01 ssjiang CRON[961075]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 09:41:01 ssjiang CRON[961075]: pam_unix(cron:session): session closed for user www-data
Oct  8 09:42:01 ssjiang CRON[961084]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 09:42:02 ssjiang CRON[961084]: pam_unix(cron:session): session closed for user www-data
Oct  8 09:43:01 ssjiang CRON[961093]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 09:43:02 ssjiang CRON[961093]: pam_unix(cron:session): session closed for user www-data
Oct  8 09:44:01 ssjiang CRON[961102]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 09:44:01 ssjiang CRON[961102]: pam_unix(cron:session): session closed for user www-data
Oct  8 09:45:01 ssjiang CRON[961111]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 09:45:01 ssjiang CRON[961113]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 09:45:01 ssjiang CRON[961113]: pam_unix(cron:session): session closed for user root
Oct  8 09:45:01 ssjiang CRON[961112]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 09:45:02 ssjiang CRON[961112]: pam_unix(cron:session): session closed for user www-data
Oct  8 09:46:01 ssjiang CRON[961111]: pam_unix(cron:session): session closed for user root
Oct  8 09:46:01 ssjiang CRON[1001551]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 09:46:01 ssjiang CRON[1001551]: pam_unix(cron:session): session closed for user www-data
Oct  8 09:47:01 ssjiang CRON[1001560]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 09:47:02 ssjiang CRON[1001560]: pam_unix(cron:session): session closed for user www-data
Oct  8 09:48:01 ssjiang CRON[1001569]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 09:48:02 ssjiang CRON[1001569]: pam_unix(cron:session): session closed for user www-data
Oct  8 09:49:01 ssjiang CRON[1001579]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 09:49:02 ssjiang CRON[1001579]: pam_unix(cron:session): session closed for user www-data
Oct  8 09:50:01 ssjiang CRON[1001589]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 09:50:01 ssjiang CRON[1001591]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 09:50:01 ssjiang CRON[1001590]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 09:50:01 ssjiang CRON[1001588]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 09:50:01 ssjiang CRON[1001591]: pam_unix(cron:session): session closed for user root