Oct  9 17:00:02 ssjiang CRON[3614906]: pam_unix(cron:session): session closed for user www-data
Oct  9 17:00:02 ssjiang CRON[3614904]: pam_unix(cron:session): session closed for user root
Oct  9 17:01:01 ssjiang CRON[3654981]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 17:01:02 ssjiang CRON[3654981]: pam_unix(cron:session): session closed for user www-data
Oct  9 17:01:04 ssjiang CRON[3614905]: pam_unix(cron:session): session closed for user root
Oct  9 17:02:01 ssjiang CRON[3655604]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 17:02:01 ssjiang CRON[3655604]: pam_unix(cron:session): session closed for user www-data
Oct  9 17:03:01 ssjiang CRON[3655613]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 17:03:02 ssjiang CRON[3655613]: pam_unix(cron:session): session closed for user www-data
Oct  9 17:04:01 ssjiang CRON[3655625]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 17:04:02 ssjiang CRON[3655625]: pam_unix(cron:session): session closed for user www-data
Oct  9 17:05:01 ssjiang CRON[3655636]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  9 17:05:01 ssjiang CRON[3655634]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  9 17:05:01 ssjiang CRON[3655635]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 17:05:01 ssjiang CRON[3655636]: pam_unix(cron:session): session closed for user root
Oct  9 17:05:02 ssjiang CRON[3655635]: pam_unix(cron:session): session closed for user www-data
Oct  9 17:06:01 ssjiang CRON[3694695]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 17:06:01 ssjiang CRON[3694695]: pam_unix(cron:session): session closed for user www-data
Oct  9 17:06:06 ssjiang CRON[3655634]: pam_unix(cron:session): session closed for user root
Oct  9 17:07:01 ssjiang CRON[3696342]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 17:07:02 ssjiang CRON[3696342]: pam_unix(cron:session): session closed for user www-data
Oct  9 17:08:01 ssjiang CRON[3696351]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 17:08:02 ssjiang CRON[3696351]: pam_unix(cron:session): session closed for user www-data
Oct  9 17:09:01 ssjiang CRON[3696431]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 17:09:01 ssjiang CRON[3696430]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  9 17:09:01 ssjiang CRON[3696430]: pam_unix(cron:session): session closed for user root
Oct  9 17:09:01 ssjiang CRON[3696431]: pam_unix(cron:session): session closed for user www-data
Oct  9 17:10:01 ssjiang CRON[3696442]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  9 17:10:01 ssjiang CRON[3696444]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  9 17:10:01 ssjiang CRON[3696443]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  9 17:10:01 ssjiang CRON[3696445]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  9 17:10:02 ssjiang CRON[3696445]: pam_unix(cron:session): session closed for user root
Oct  9 17:10:02 ssjiang CRON[3696444]: pam_unix(cron:session): session closed for user www-data