Oct  5 22:00:03 ssjiang CRON[1455582]: pam_unix(cron:session): session closed for user www-data
Oct  5 22:00:03 ssjiang CRON[1455580]: pam_unix(cron:session): session closed for user root
Oct  5 22:01:01 ssjiang CRON[1494552]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 22:01:01 ssjiang CRON[1494552]: pam_unix(cron:session): session closed for user www-data
Oct  5 22:01:05 ssjiang CRON[1455581]: pam_unix(cron:session): session closed for user root
Oct  5 22:02:01 ssjiang CRON[1495448]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 22:02:02 ssjiang CRON[1495448]: pam_unix(cron:session): session closed for user www-data
Oct  5 22:03:01 ssjiang CRON[1495481]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 22:03:01 ssjiang CRON[1495481]: pam_unix(cron:session): session closed for user www-data
Oct  5 22:04:01 ssjiang CRON[1495493]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 22:04:02 ssjiang CRON[1495493]: pam_unix(cron:session): session closed for user www-data
Oct  5 22:05:01 ssjiang CRON[1495505]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  5 22:05:01 ssjiang CRON[1495503]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  5 22:05:01 ssjiang CRON[1495504]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 22:05:01 ssjiang CRON[1495505]: pam_unix(cron:session): session closed for user root
Oct  5 22:05:02 ssjiang CRON[1495504]: pam_unix(cron:session): session closed for user www-data
Oct  5 22:06:01 ssjiang CRON[1534667]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 22:06:02 ssjiang CRON[1534667]: pam_unix(cron:session): session closed for user www-data
Oct  5 22:06:04 ssjiang CRON[1495503]: pam_unix(cron:session): session closed for user root
Oct  5 22:07:01 ssjiang CRON[1535359]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 22:07:02 ssjiang CRON[1535359]: pam_unix(cron:session): session closed for user www-data
Oct  5 22:08:01 ssjiang CRON[1535369]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 22:08:02 ssjiang CRON[1535369]: pam_unix(cron:session): session closed for user www-data
Oct  5 22:09:01 ssjiang CRON[1535379]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  5 22:09:01 ssjiang CRON[1535380]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 22:09:01 ssjiang CRON[1535379]: pam_unix(cron:session): session closed for user root
Oct  5 22:09:01 ssjiang CRON[1535380]: pam_unix(cron:session): session closed for user www-data
Oct  5 22:10:01 ssjiang CRON[1535462]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  5 22:10:01 ssjiang CRON[1535463]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  5 22:10:01 ssjiang CRON[1535465]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  5 22:10:01 ssjiang CRON[1535465]: pam_unix(cron:session): session closed for user root
Oct  5 22:10:01 ssjiang CRON[1535464]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 22:10:02 ssjiang CRON[1535464]: pam_unix(cron:session): session closed for user www-data