Oct  6 10:10:02 ssjiang CRON[3108488]: pam_unix(cron:session): session closed for user www-data
Oct  6 10:10:02 ssjiang CRON[3108486]: pam_unix(cron:session): session closed for user root
Oct  6 10:11:01 ssjiang CRON[3147886]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 10:11:02 ssjiang CRON[3147886]: pam_unix(cron:session): session closed for user www-data
Oct  6 10:11:04 ssjiang CRON[3108487]: pam_unix(cron:session): session closed for user root
Oct  6 10:12:01 ssjiang CRON[3148518]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 10:12:02 ssjiang CRON[3148518]: pam_unix(cron:session): session closed for user www-data
Oct  6 10:13:01 ssjiang CRON[3148527]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 10:13:01 ssjiang CRON[3148527]: pam_unix(cron:session): session closed for user www-data
Oct  6 10:14:01 ssjiang CRON[3148536]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 10:14:02 ssjiang CRON[3148536]: pam_unix(cron:session): session closed for user www-data
Oct  6 10:15:01 ssjiang CRON[3148546]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 10:15:01 ssjiang CRON[3148545]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 10:15:01 ssjiang CRON[3148547]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 10:15:01 ssjiang CRON[3148547]: pam_unix(cron:session): session closed for user root
Oct  6 10:15:02 ssjiang CRON[3148546]: pam_unix(cron:session): session closed for user www-data
Oct  6 10:16:01 ssjiang CRON[3187841]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 10:16:01 ssjiang CRON[3187841]: pam_unix(cron:session): session closed for user www-data
Oct  6 10:16:04 ssjiang CRON[3148545]: pam_unix(cron:session): session closed for user root
Oct  6 10:17:01 ssjiang CRON[3188575]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 10:17:01 ssjiang CRON[3188574]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 10:17:01 ssjiang CRON[3188574]: pam_unix(cron:session): session closed for user root
Oct  6 10:17:02 ssjiang CRON[3188575]: pam_unix(cron:session): session closed for user www-data
Oct  6 10:18:01 ssjiang CRON[3188586]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 10:18:01 ssjiang CRON[3188586]: pam_unix(cron:session): session closed for user www-data
Oct  6 10:19:01 ssjiang CRON[3188596]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 10:19:02 ssjiang CRON[3188596]: pam_unix(cron:session): session closed for user www-data
Oct  6 10:20:01 ssjiang CRON[3188605]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 10:20:01 ssjiang CRON[3188606]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 10:20:01 ssjiang CRON[3188607]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 10:20:01 ssjiang CRON[3188608]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 10:20:01 ssjiang CRON[3188608]: pam_unix(cron:session): session closed for user root
Oct  6 10:20:02 ssjiang CRON[3188607]: pam_unix(cron:session): session closed for user www-data