Oct  7 10:00:03 ssjiang CRON[2028598]: pam_unix(cron:session): session closed for user www-data
Oct  7 10:00:04 ssjiang CRON[2028596]: pam_unix(cron:session): session closed for user root
Oct  7 10:01:01 ssjiang CRON[2065879]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 10:01:01 ssjiang CRON[2065879]: pam_unix(cron:session): session closed for user www-data
Oct  7 10:01:08 ssjiang CRON[2028597]: pam_unix(cron:session): session closed for user root
Oct  7 10:02:01 ssjiang CRON[2068852]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 10:02:02 ssjiang CRON[2068852]: pam_unix(cron:session): session closed for user www-data
Oct  7 10:03:01 ssjiang CRON[2068866]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 10:03:02 ssjiang CRON[2068866]: pam_unix(cron:session): session closed for user www-data
Oct  7 10:04:01 ssjiang CRON[2068875]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 10:04:02 ssjiang CRON[2068875]: pam_unix(cron:session): session closed for user www-data
Oct  7 10:05:01 ssjiang CRON[2068885]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 10:05:01 ssjiang CRON[2068884]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 10:05:01 ssjiang CRON[2068886]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 10:05:01 ssjiang CRON[2068886]: pam_unix(cron:session): session closed for user root
Oct  7 10:05:02 ssjiang CRON[2068885]: pam_unix(cron:session): session closed for user www-data
Oct  7 10:06:01 ssjiang CRON[2106897]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 10:06:01 ssjiang CRON[2106897]: pam_unix(cron:session): session closed for user www-data
Oct  7 10:06:07 ssjiang CRON[2068884]: pam_unix(cron:session): session closed for user root
Oct  7 10:07:01 ssjiang CRON[2109094]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 10:07:02 ssjiang CRON[2109094]: pam_unix(cron:session): session closed for user www-data
Oct  7 10:08:01 ssjiang CRON[2109103]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 10:08:02 ssjiang CRON[2109103]: pam_unix(cron:session): session closed for user www-data
Oct  7 10:09:01 ssjiang CRON[2109113]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 10:09:01 ssjiang CRON[2109114]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 10:09:01 ssjiang CRON[2109113]: pam_unix(cron:session): session closed for user root
Oct  7 10:09:02 ssjiang CRON[2109114]: pam_unix(cron:session): session closed for user www-data
Oct  7 10:10:01 ssjiang CRON[2109198]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  7 10:10:01 ssjiang CRON[2109196]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 10:10:01 ssjiang CRON[2109197]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 10:10:01 ssjiang CRON[2109199]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  7 10:10:01 ssjiang CRON[2109199]: pam_unix(cron:session): session closed for user root
Oct  7 10:10:01 ssjiang CRON[2109198]: pam_unix(cron:session): session closed for user www-data