Oct  7 14:00:02 ssjiang CRON[3960771]: pam_unix(cron:session): session closed for user root
Oct  7 14:00:02 ssjiang CRON[3960773]: pam_unix(cron:session): session closed for user www-data
Oct  7 14:01:01 ssjiang CRON[4000386]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 14:01:02 ssjiang CRON[4000386]: pam_unix(cron:session): session closed for user www-data
Oct  7 14:01:03 ssjiang CRON[3960772]: pam_unix(cron:session): session closed for user root
Oct  7 14:02:01 ssjiang CRON[4000991]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 14:02:02 ssjiang CRON[4000991]: pam_unix(cron:session): session closed for user www-data
Oct  7 14:03:01 ssjiang CRON[4001003]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 14:03:02 ssjiang CRON[4001003]: pam_unix(cron:session): session closed for user www-data
Oct  7 14:04:01 ssjiang CRON[4001012]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 14:04:01 ssjiang CRON[4001012]: pam_unix(cron:session): session closed for user www-data
Oct  7 14:05:01 ssjiang CRON[4001022]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 14:05:01 ssjiang CRON[4001024]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 14:05:01 ssjiang CRON[4001023]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 14:05:01 ssjiang CRON[4001024]: pam_unix(cron:session): session closed for user root
Oct  7 14:05:02 ssjiang CRON[4001023]: pam_unix(cron:session): session closed for user www-data
Oct  7 14:06:01 ssjiang CRON[4040455]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 14:06:02 ssjiang CRON[4040455]: pam_unix(cron:session): session closed for user www-data
Oct  7 14:06:05 ssjiang CRON[4001022]: pam_unix(cron:session): session closed for user root
Oct  7 14:07:01 ssjiang CRON[4041230]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 14:07:02 ssjiang CRON[4041230]: pam_unix(cron:session): session closed for user www-data
Oct  7 14:08:01 ssjiang CRON[4041240]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 14:08:01 ssjiang CRON[4041240]: pam_unix(cron:session): session closed for user www-data
Oct  7 14:09:01 ssjiang CRON[4041320]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 14:09:01 ssjiang CRON[4041321]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 14:09:01 ssjiang CRON[4041320]: pam_unix(cron:session): session closed for user root
Oct  7 14:09:02 ssjiang CRON[4041321]: pam_unix(cron:session): session closed for user www-data
Oct  7 14:10:01 ssjiang CRON[4041332]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 14:10:01 ssjiang CRON[4041333]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 14:10:01 ssjiang CRON[4041334]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 14:10:01 ssjiang CRON[4041335]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 14:10:01 ssjiang CRON[4041335]: pam_unix(cron:session): session closed for user root