Oct  6 18:00:02 ssjiang CRON[2682143]: pam_unix(cron:session): session closed for user root
Oct  6 18:00:02 ssjiang CRON[2682145]: pam_unix(cron:session): session closed for user www-data
Oct  6 18:00:59 ssjiang CRON[2682144]: pam_unix(cron:session): session closed for user root
Oct  6 18:01:01 ssjiang CRON[2722174]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 18:01:02 ssjiang CRON[2722174]: pam_unix(cron:session): session closed for user www-data
Oct  6 18:02:01 ssjiang CRON[2722183]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 18:02:01 ssjiang CRON[2722183]: pam_unix(cron:session): session closed for user www-data
Oct  6 18:03:01 ssjiang CRON[2722195]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 18:03:02 ssjiang CRON[2722195]: pam_unix(cron:session): session closed for user www-data
Oct  6 18:04:01 ssjiang CRON[2722204]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 18:04:02 ssjiang CRON[2722204]: pam_unix(cron:session): session closed for user www-data
Oct  6 18:05:01 ssjiang CRON[2722215]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 18:05:01 ssjiang CRON[2722213]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 18:05:01 ssjiang CRON[2722214]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 18:05:01 ssjiang CRON[2722215]: pam_unix(cron:session): session closed for user root
Oct  6 18:05:02 ssjiang CRON[2722214]: pam_unix(cron:session): session closed for user www-data
Oct  6 18:06:01 ssjiang CRON[2761931]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 18:06:01 ssjiang CRON[2722213]: pam_unix(cron:session): session closed for user root
Oct  6 18:06:01 ssjiang CRON[2761931]: pam_unix(cron:session): session closed for user www-data
Oct  6 18:07:01 ssjiang CRON[2762243]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 18:07:02 ssjiang CRON[2762243]: pam_unix(cron:session): session closed for user www-data
Oct  6 18:08:01 ssjiang CRON[2762252]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 18:08:02 ssjiang CRON[2762252]: pam_unix(cron:session): session closed for user www-data
Oct  6 18:09:01 ssjiang CRON[2762262]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 18:09:01 ssjiang CRON[2762262]: pam_unix(cron:session): session closed for user root
Oct  6 18:09:01 ssjiang CRON[2762263]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 18:09:01 ssjiang CRON[2762263]: pam_unix(cron:session): session closed for user www-data
Oct  6 18:10:01 ssjiang CRON[2762347]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 18:10:01 ssjiang CRON[2762346]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  6 18:10:01 ssjiang CRON[2762347]: pam_unix(cron:session): session closed for user root
Oct  6 18:10:01 ssjiang CRON[2762345]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 18:10:01 ssjiang CRON[2762344]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  6 18:10:02 ssjiang CRON[2762346]: pam_unix(cron:session): session closed for user www-data