Oct  6 22:10:02 ssjiang CRON[491911]: pam_unix(cron:session): session closed for user www-data
Oct  6 22:10:02 ssjiang CRON[491909]: pam_unix(cron:session): session closed for user root
Oct  6 22:11:01 ssjiang CRON[531284]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 22:11:02 ssjiang CRON[531284]: pam_unix(cron:session): session closed for user www-data
Oct  6 22:11:04 ssjiang CRON[491910]: pam_unix(cron:session): session closed for user root
Oct  6 22:12:01 ssjiang CRON[531940]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 22:12:02 ssjiang CRON[531940]: pam_unix(cron:session): session closed for user www-data
Oct  6 22:13:01 ssjiang CRON[531949]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 22:13:01 ssjiang CRON[531949]: pam_unix(cron:session): session closed for user www-data
Oct  6 22:14:01 ssjiang CRON[531958]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 22:14:02 ssjiang CRON[531958]: pam_unix(cron:session): session closed for user www-data
Oct  6 22:15:01 ssjiang CRON[531970]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 22:15:01 ssjiang CRON[531969]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 22:15:01 ssjiang CRON[531971]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 22:15:01 ssjiang CRON[531971]: pam_unix(cron:session): session closed for user root
Oct  6 22:15:02 ssjiang CRON[531970]: pam_unix(cron:session): session closed for user www-data
Oct  6 22:16:01 ssjiang CRON[571602]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 22:16:01 ssjiang CRON[571602]: pam_unix(cron:session): session closed for user www-data
Oct  6 22:16:02 ssjiang CRON[531969]: pam_unix(cron:session): session closed for user root
Oct  6 22:17:01 ssjiang CRON[571997]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 22:17:01 ssjiang CRON[571997]: pam_unix(cron:session): session closed for user root
Oct  6 22:17:01 ssjiang CRON[571998]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 22:17:02 ssjiang CRON[571998]: pam_unix(cron:session): session closed for user www-data
Oct  6 22:18:01 ssjiang CRON[572009]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 22:18:01 ssjiang CRON[572009]: pam_unix(cron:session): session closed for user www-data
Oct  6 22:19:01 ssjiang CRON[572019]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 22:19:02 ssjiang CRON[572019]: pam_unix(cron:session): session closed for user www-data
Oct  6 22:20:01 ssjiang CRON[572032]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 22:20:01 ssjiang CRON[572029]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 22:20:01 ssjiang CRON[572030]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 22:20:01 ssjiang CRON[572032]: pam_unix(cron:session): session closed for user root
Oct  6 22:20:01 ssjiang CRON[572031]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 22:20:02 ssjiang CRON[572031]: pam_unix(cron:session): session closed for user www-data