Oct  6 12:00:03 ssjiang CRON[3990026]: pam_unix(cron:session): session closed for user www-data
Oct  6 12:00:03 ssjiang CRON[3990024]: pam_unix(cron:session): session closed for user root
Oct  6 12:01:01 ssjiang CRON[4029368]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 12:01:01 ssjiang CRON[4029368]: pam_unix(cron:session): session closed for user www-data
Oct  6 12:01:04 ssjiang CRON[3990025]: pam_unix(cron:session): session closed for user root
Oct  6 12:02:01 ssjiang CRON[4030064]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 12:02:01 ssjiang CRON[4030064]: pam_unix(cron:session): session closed for user www-data
Oct  6 12:03:02 ssjiang CRON[4030076]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 12:03:02 ssjiang CRON[4030076]: pam_unix(cron:session): session closed for user www-data
Oct  6 12:04:01 ssjiang CRON[4030085]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 12:04:02 ssjiang CRON[4030085]: pam_unix(cron:session): session closed for user www-data
Oct  6 12:05:01 ssjiang CRON[4030096]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 12:05:01 ssjiang CRON[4030094]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 12:05:01 ssjiang CRON[4030095]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 12:05:01 ssjiang CRON[4030096]: pam_unix(cron:session): session closed for user root
Oct  6 12:05:02 ssjiang CRON[4030095]: pam_unix(cron:session): session closed for user www-data
Oct  6 12:06:01 ssjiang CRON[4069108]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 12:06:01 ssjiang CRON[4069108]: pam_unix(cron:session): session closed for user www-data
Oct  6 12:06:06 ssjiang CRON[4030094]: pam_unix(cron:session): session closed for user root
Oct  6 12:07:01 ssjiang CRON[4070123]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 12:07:01 ssjiang CRON[4070123]: pam_unix(cron:session): session closed for user www-data
Oct  6 12:08:01 ssjiang CRON[4070132]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 12:08:02 ssjiang CRON[4070132]: pam_unix(cron:session): session closed for user www-data
Oct  6 12:09:01 ssjiang CRON[4070214]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 12:09:01 ssjiang CRON[4070215]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 12:09:01 ssjiang CRON[4070214]: pam_unix(cron:session): session closed for user root
Oct  6 12:09:02 ssjiang CRON[4070215]: pam_unix(cron:session): session closed for user www-data
Oct  6 12:10:01 ssjiang CRON[4070228]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 12:10:01 ssjiang CRON[4070226]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 12:10:01 ssjiang CRON[4070227]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 12:10:01 ssjiang CRON[4070225]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 12:10:01 ssjiang CRON[4070228]: pam_unix(cron:session): session closed for user root
Oct  6 12:10:01 ssjiang CRON[4070227]: pam_unix(cron:session): session closed for user www-data