Oct  4 09:00:03 ssjiang CRON[550072]: pam_unix(cron:session): session closed for user www-data
Oct  4 09:00:03 ssjiang CRON[550070]: pam_unix(cron:session): session closed for user root
Oct  4 09:01:01 ssjiang CRON[589249]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  4 09:01:02 ssjiang CRON[589249]: pam_unix(cron:session): session closed for user www-data
Oct  4 09:01:03 ssjiang CRON[550071]: pam_unix(cron:session): session closed for user root
Oct  4 09:02:01 ssjiang CRON[589754]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  4 09:02:02 ssjiang CRON[589754]: pam_unix(cron:session): session closed for user www-data
Oct  4 09:03:01 ssjiang CRON[589763]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  4 09:03:01 ssjiang CRON[589763]: pam_unix(cron:session): session closed for user www-data
Oct  4 09:04:01 ssjiang CRON[589772]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  4 09:04:02 ssjiang CRON[589772]: pam_unix(cron:session): session closed for user www-data
Oct  4 09:05:01 ssjiang CRON[589783]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  4 09:05:01 ssjiang CRON[589781]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  4 09:05:01 ssjiang CRON[589783]: pam_unix(cron:session): session closed for user root
Oct  4 09:05:01 ssjiang CRON[589782]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  4 09:05:02 ssjiang CRON[589782]: pam_unix(cron:session): session closed for user www-data
Oct  4 09:06:01 ssjiang CRON[629025]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  4 09:06:01 ssjiang CRON[629025]: pam_unix(cron:session): session closed for user www-data
Oct  4 09:06:02 ssjiang CRON[589781]: pam_unix(cron:session): session closed for user root
Oct  4 09:07:01 ssjiang CRON[629450]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  4 09:07:02 ssjiang CRON[629450]: pam_unix(cron:session): session closed for user www-data
Oct  4 09:08:01 ssjiang CRON[629459]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  4 09:08:01 ssjiang CRON[629459]: pam_unix(cron:session): session closed for user www-data
Oct  4 09:09:01 ssjiang CRON[629537]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  4 09:09:01 ssjiang CRON[629536]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  4 09:09:01 ssjiang CRON[629536]: pam_unix(cron:session): session closed for user root
Oct  4 09:09:02 ssjiang CRON[629537]: pam_unix(cron:session): session closed for user www-data
Oct  4 09:10:01 ssjiang CRON[629549]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  4 09:10:01 ssjiang CRON[629550]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  4 09:10:01 ssjiang CRON[629548]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  4 09:10:01 ssjiang CRON[629550]: pam_unix(cron:session): session closed for user root
Oct  4 09:10:01 ssjiang CRON[629547]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  4 09:10:02 ssjiang CRON[629549]: pam_unix(cron:session): session closed for user www-data