Oct  5 16:00:03 ssjiang CRON[2777223]: pam_unix(cron:session): session closed for user www-data
Oct  5 16:00:03 ssjiang CRON[2777221]: pam_unix(cron:session): session closed for user root
Oct  5 16:01:01 ssjiang CRON[2816195]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 16:01:01 ssjiang CRON[2816195]: pam_unix(cron:session): session closed for user www-data
Oct  5 16:01:05 ssjiang CRON[2777222]: pam_unix(cron:session): session closed for user root
Oct  5 16:02:01 ssjiang CRON[2817085]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 16:02:02 ssjiang CRON[2817085]: pam_unix(cron:session): session closed for user www-data
Oct  5 16:03:01 ssjiang CRON[2817095]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 16:03:01 ssjiang CRON[2817095]: pam_unix(cron:session): session closed for user www-data
Oct  5 16:04:01 ssjiang CRON[2817104]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 16:04:02 ssjiang CRON[2817104]: pam_unix(cron:session): session closed for user www-data
Oct  5 16:05:01 ssjiang CRON[2817113]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  5 16:05:01 ssjiang CRON[2817115]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  5 16:05:01 ssjiang CRON[2817114]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 16:05:01 ssjiang CRON[2817115]: pam_unix(cron:session): session closed for user root
Oct  5 16:05:02 ssjiang CRON[2817114]: pam_unix(cron:session): session closed for user www-data
Oct  5 16:06:01 ssjiang CRON[2852953]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 16:06:02 ssjiang CRON[2852953]: pam_unix(cron:session): session closed for user www-data
Oct  5 16:06:10 ssjiang CRON[2817113]: pam_unix(cron:session): session closed for user root
Oct  5 16:07:01 ssjiang CRON[2856961]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 16:07:02 ssjiang CRON[2856961]: pam_unix(cron:session): session closed for user www-data
Oct  5 16:08:01 ssjiang CRON[2856970]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 16:08:02 ssjiang CRON[2856970]: pam_unix(cron:session): session closed for user www-data
Oct  5 16:09:01 ssjiang CRON[2856981]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  5 16:09:01 ssjiang CRON[2856982]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 16:09:01 ssjiang CRON[2856981]: pam_unix(cron:session): session closed for user root
Oct  5 16:09:02 ssjiang CRON[2856982]: pam_unix(cron:session): session closed for user www-data
Oct  5 16:10:01 ssjiang CRON[2857063]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  5 16:10:01 ssjiang CRON[2857066]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  5 16:10:01 ssjiang CRON[2857064]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  5 16:10:01 ssjiang CRON[2857065]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 16:10:01 ssjiang CRON[2857066]: pam_unix(cron:session): session closed for user root
Oct  5 16:10:01 ssjiang CRON[2857065]: pam_unix(cron:session): session closed for user www-data