Oct  8 07:00:02 ssjiang CRON[3818793]: pam_unix(cron:session): session closed for user www-data
Oct  8 07:00:02 ssjiang CRON[3818791]: pam_unix(cron:session): session closed for user root
Oct  8 07:01:01 ssjiang CRON[3858578]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 07:01:02 ssjiang CRON[3858578]: pam_unix(cron:session): session closed for user www-data
Oct  8 07:01:04 ssjiang CRON[3818792]: pam_unix(cron:session): session closed for user root
Oct  8 07:02:01 ssjiang CRON[3859250]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 07:02:02 ssjiang CRON[3859250]: pam_unix(cron:session): session closed for user www-data
Oct  8 07:03:01 ssjiang CRON[3859263]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 07:03:01 ssjiang CRON[3859263]: pam_unix(cron:session): session closed for user www-data
Oct  8 07:04:01 ssjiang CRON[3859272]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 07:04:02 ssjiang CRON[3859272]: pam_unix(cron:session): session closed for user www-data
Oct  8 07:05:01 ssjiang CRON[3859281]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 07:05:01 ssjiang CRON[3859282]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 07:05:01 ssjiang CRON[3859283]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 07:05:01 ssjiang CRON[3859283]: pam_unix(cron:session): session closed for user root
Oct  8 07:05:02 ssjiang CRON[3859282]: pam_unix(cron:session): session closed for user www-data
Oct  8 07:06:01 ssjiang CRON[3898241]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 07:06:01 ssjiang CRON[3898241]: pam_unix(cron:session): session closed for user www-data
Oct  8 07:06:06 ssjiang CRON[3859281]: pam_unix(cron:session): session closed for user root
Oct  8 07:07:01 ssjiang CRON[3899730]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 07:07:02 ssjiang CRON[3899730]: pam_unix(cron:session): session closed for user www-data
Oct  8 07:08:01 ssjiang CRON[3899740]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 07:08:01 ssjiang CRON[3899740]: pam_unix(cron:session): session closed for user www-data
Oct  8 07:09:01 ssjiang CRON[3899750]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 07:09:01 ssjiang CRON[3899751]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 07:09:01 ssjiang CRON[3899750]: pam_unix(cron:session): session closed for user root
Oct  8 07:09:02 ssjiang CRON[3899751]: pam_unix(cron:session): session closed for user www-data
Oct  8 07:10:01 ssjiang CRON[3899829]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 07:10:01 ssjiang CRON[3899830]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 07:10:01 ssjiang CRON[3899832]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 07:10:01 ssjiang CRON[3899831]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 07:10:01 ssjiang CRON[3899832]: pam_unix(cron:session): session closed for user root
Oct  8 07:10:02 ssjiang CRON[3899831]: pam_unix(cron:session): session closed for user www-data