Oct  9 12:00:02 ssjiang CRON[1170835]: pam_unix(cron:session): session closed for user www-data
Oct  9 12:00:02 ssjiang CRON[1170833]: pam_unix(cron:session): session closed for user root
Oct  9 12:01:01 ssjiang CRON[1210328]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 12:01:02 ssjiang CRON[1210328]: pam_unix(cron:session): session closed for user www-data
Oct  9 12:01:07 ssjiang CRON[1170834]: pam_unix(cron:session): session closed for user root
Oct  9 12:02:01 ssjiang CRON[1211532]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 12:02:01 ssjiang CRON[1211532]: pam_unix(cron:session): session closed for user www-data
Oct  9 12:03:01 ssjiang CRON[1211541]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 12:03:02 ssjiang CRON[1211541]: pam_unix(cron:session): session closed for user www-data
Oct  9 12:04:01 ssjiang CRON[1211553]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 12:04:02 ssjiang CRON[1211553]: pam_unix(cron:session): session closed for user www-data
Oct  9 12:05:01 ssjiang CRON[1211564]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  9 12:05:01 ssjiang CRON[1211563]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 12:05:01 ssjiang CRON[1211564]: pam_unix(cron:session): session closed for user root
Oct  9 12:05:01 ssjiang CRON[1211562]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  9 12:05:01 ssjiang CRON[1211563]: pam_unix(cron:session): session closed for user www-data
Oct  9 12:06:01 ssjiang CRON[1251304]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 12:06:02 ssjiang CRON[1251304]: pam_unix(cron:session): session closed for user www-data
Oct  9 12:06:06 ssjiang CRON[1211562]: pam_unix(cron:session): session closed for user root
Oct  9 12:07:01 ssjiang CRON[1252252]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 12:07:02 ssjiang CRON[1252252]: pam_unix(cron:session): session closed for user www-data
Oct  9 12:08:01 ssjiang CRON[1252261]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 12:08:01 ssjiang CRON[1252261]: pam_unix(cron:session): session closed for user www-data
Oct  9 12:09:01 ssjiang CRON[1252271]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  9 12:09:01 ssjiang CRON[1252272]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 12:09:01 ssjiang CRON[1252271]: pam_unix(cron:session): session closed for user root
Oct  9 12:09:02 ssjiang CRON[1252272]: pam_unix(cron:session): session closed for user www-data
Oct  9 12:10:01 ssjiang CRON[1252351]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  9 12:10:01 ssjiang CRON[1252354]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  9 12:10:01 ssjiang CRON[1252352]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  9 12:10:01 ssjiang CRON[1252353]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 12:10:01 ssjiang CRON[1252354]: pam_unix(cron:session): session closed for user root
Oct  9 12:10:02 ssjiang CRON[1252353]: pam_unix(cron:session): session closed for user www-data