Oct  8 09:00:02 ssjiang CRON[596639]: pam_unix(cron:session): session closed for user www-data
Oct  8 09:00:03 ssjiang CRON[596637]: pam_unix(cron:session): session closed for user root
Oct  8 09:01:01 ssjiang CRON[636585]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 09:01:01 ssjiang CRON[636585]: pam_unix(cron:session): session closed for user www-data
Oct  8 09:01:02 ssjiang CRON[596638]: pam_unix(cron:session): session closed for user root
Oct  8 09:02:01 ssjiang CRON[637102]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 09:02:02 ssjiang CRON[637102]: pam_unix(cron:session): session closed for user www-data
Oct  8 09:03:01 ssjiang CRON[637114]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 09:03:02 ssjiang CRON[637114]: pam_unix(cron:session): session closed for user www-data
Oct  8 09:04:01 ssjiang CRON[637123]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 09:04:01 ssjiang CRON[637123]: pam_unix(cron:session): session closed for user www-data
Oct  8 09:05:01 ssjiang CRON[637134]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 09:05:02 ssjiang CRON[637132]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 09:05:02 ssjiang CRON[637134]: pam_unix(cron:session): session closed for user root
Oct  8 09:05:02 ssjiang CRON[637133]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 09:05:02 ssjiang CRON[637133]: pam_unix(cron:session): session closed for user www-data
Oct  8 09:06:01 ssjiang CRON[677048]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 09:06:02 ssjiang CRON[677048]: pam_unix(cron:session): session closed for user www-data
Oct  8 09:06:03 ssjiang CRON[637132]: pam_unix(cron:session): session closed for user root
Oct  8 09:07:01 ssjiang CRON[677582]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 09:07:02 ssjiang CRON[677582]: pam_unix(cron:session): session closed for user www-data
Oct  8 09:08:01 ssjiang CRON[677591]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 09:08:01 ssjiang CRON[677591]: pam_unix(cron:session): session closed for user www-data
Oct  8 09:09:01 ssjiang CRON[677601]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 09:09:01 ssjiang CRON[677601]: pam_unix(cron:session): session closed for user root
Oct  8 09:09:01 ssjiang CRON[677602]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 09:09:02 ssjiang CRON[677602]: pam_unix(cron:session): session closed for user www-data
Oct  8 09:10:01 ssjiang CRON[677686]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 09:10:01 ssjiang CRON[677686]: pam_unix(cron:session): session closed for user root
Oct  8 09:10:01 ssjiang CRON[677685]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 09:10:01 ssjiang CRON[677684]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 09:10:01 ssjiang CRON[677683]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)