Oct  5 23:00:03 ssjiang CRON[1934388]: pam_unix(cron:session): session closed for user root
Oct  5 23:00:03 ssjiang CRON[1934390]: pam_unix(cron:session): session closed for user www-data
Oct  5 23:01:01 ssjiang CRON[1972149]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 23:01:01 ssjiang CRON[1972149]: pam_unix(cron:session): session closed for user www-data
Oct  5 23:01:07 ssjiang CRON[1934389]: pam_unix(cron:session): session closed for user root
Oct  5 23:02:01 ssjiang CRON[1974250]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 23:02:02 ssjiang CRON[1974250]: pam_unix(cron:session): session closed for user www-data
Oct  5 23:03:01 ssjiang CRON[1974259]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 23:03:02 ssjiang CRON[1974259]: pam_unix(cron:session): session closed for user www-data
Oct  5 23:04:01 ssjiang CRON[1974268]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 23:04:01 ssjiang CRON[1974268]: pam_unix(cron:session): session closed for user www-data
Oct  5 23:05:01 ssjiang CRON[1974279]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  5 23:05:01 ssjiang CRON[1974277]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  5 23:05:01 ssjiang CRON[1974278]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 23:05:01 ssjiang CRON[1974279]: pam_unix(cron:session): session closed for user root
Oct  5 23:05:02 ssjiang CRON[1974278]: pam_unix(cron:session): session closed for user www-data
Oct  5 23:06:01 ssjiang CRON[2012856]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 23:06:02 ssjiang CRON[2012856]: pam_unix(cron:session): session closed for user www-data
Oct  5 23:06:06 ssjiang CRON[1974277]: pam_unix(cron:session): session closed for user root
Oct  5 23:07:01 ssjiang CRON[2014127]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 23:07:02 ssjiang CRON[2014127]: pam_unix(cron:session): session closed for user www-data
Oct  5 23:08:01 ssjiang CRON[2014136]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 23:08:02 ssjiang CRON[2014136]: pam_unix(cron:session): session closed for user www-data
Oct  5 23:09:01 ssjiang CRON[2014146]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  5 23:09:01 ssjiang CRON[2014147]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 23:09:01 ssjiang CRON[2014146]: pam_unix(cron:session): session closed for user root
Oct  5 23:09:01 ssjiang CRON[2014147]: pam_unix(cron:session): session closed for user www-data
Oct  5 23:10:01 ssjiang CRON[2014227]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  5 23:10:01 ssjiang CRON[2014230]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  5 23:10:01 ssjiang CRON[2014229]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  5 23:10:01 ssjiang CRON[2014228]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  5 23:10:01 ssjiang CRON[2014230]: pam_unix(cron:session): session closed for user root
Oct  5 23:10:02 ssjiang CRON[2014229]: pam_unix(cron:session): session closed for user www-data