Oct  8 19:00:02 ssjiang CRON[1261903]: pam_unix(cron:session): session closed for user www-data
Oct  8 19:00:02 ssjiang CRON[1261901]: pam_unix(cron:session): session closed for user root
Oct  8 19:01:00 ssjiang CRON[1261902]: pam_unix(cron:session): session closed for user root
Oct  8 19:01:00 ssjiang CRON[1302351]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 19:01:01 ssjiang CRON[1302351]: pam_unix(cron:session): session closed for user www-data
Oct  8 19:02:01 ssjiang CRON[1302360]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 19:02:02 ssjiang CRON[1302360]: pam_unix(cron:session): session closed for user www-data
Oct  8 19:03:01 ssjiang CRON[1302372]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 19:03:01 ssjiang CRON[1302372]: pam_unix(cron:session): session closed for user www-data
Oct  8 19:04:01 ssjiang CRON[1302382]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 19:04:02 ssjiang CRON[1302382]: pam_unix(cron:session): session closed for user www-data
Oct  8 19:05:01 ssjiang CRON[1302391]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 19:05:01 ssjiang CRON[1302393]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 19:05:01 ssjiang CRON[1302392]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 19:05:01 ssjiang CRON[1302393]: pam_unix(cron:session): session closed for user root
Oct  8 19:05:02 ssjiang CRON[1302392]: pam_unix(cron:session): session closed for user www-data
Oct  8 19:06:00 ssjiang CRON[1302391]: pam_unix(cron:session): session closed for user root
Oct  8 19:06:00 ssjiang CRON[1342831]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 19:06:00 ssjiang CRON[1342831]: pam_unix(cron:session): session closed for user www-data
Oct  8 19:07:01 ssjiang CRON[1342840]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 19:07:02 ssjiang CRON[1342840]: pam_unix(cron:session): session closed for user www-data
Oct  8 19:08:01 ssjiang CRON[1342849]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 19:08:02 ssjiang CRON[1342849]: pam_unix(cron:session): session closed for user www-data
Oct  8 19:09:01 ssjiang CRON[1342859]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 19:09:01 ssjiang CRON[1342859]: pam_unix(cron:session): session closed for user root
Oct  8 19:09:01 ssjiang CRON[1342860]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 19:09:01 ssjiang CRON[1342860]: pam_unix(cron:session): session closed for user www-data
Oct  8 19:10:01 ssjiang CRON[1342945]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 19:10:01 ssjiang CRON[1342942]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 19:10:01 ssjiang CRON[1342943]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 19:10:02 ssjiang CRON[1342944]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 19:10:02 ssjiang CRON[1342945]: pam_unix(cron:session): session closed for user root
Oct  8 19:10:02 ssjiang CRON[1342944]: pam_unix(cron:session): session closed for user www-data