Oct  2 16:00:04 ssjiang CRON[2094190]: pam_unix(cron:session): session closed for user www-data
Oct  2 16:00:05 ssjiang CRON[2094188]: pam_unix(cron:session): session closed for user root
Oct  2 16:01:01 ssjiang CRON[2131496]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  2 16:01:01 ssjiang CRON[2131496]: pam_unix(cron:session): session closed for user www-data
Oct  2 16:01:07 ssjiang CRON[2094189]: pam_unix(cron:session): session closed for user root
Oct  2 16:02:01 ssjiang CRON[2133387]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  2 16:02:01 ssjiang CRON[2133387]: pam_unix(cron:session): session closed for user www-data
Oct  2 16:03:01 ssjiang CRON[2133399]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  2 16:03:02 ssjiang CRON[2133399]: pam_unix(cron:session): session closed for user www-data
Oct  2 16:04:01 ssjiang CRON[2133408]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  2 16:04:02 ssjiang CRON[2133408]: pam_unix(cron:session): session closed for user www-data
Oct  2 16:05:01 ssjiang CRON[2133417]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  2 16:05:01 ssjiang CRON[2133418]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  2 16:05:01 ssjiang CRON[2133419]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  2 16:05:01 ssjiang CRON[2133419]: pam_unix(cron:session): session closed for user root
Oct  2 16:05:02 ssjiang CRON[2133418]: pam_unix(cron:session): session closed for user www-data
Oct  2 16:06:01 ssjiang CRON[2171896]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  2 16:06:01 ssjiang CRON[2171896]: pam_unix(cron:session): session closed for user www-data
Oct  2 16:06:04 ssjiang CRON[2133417]: pam_unix(cron:session): session closed for user root
Oct  2 16:07:01 ssjiang CRON[2172618]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  2 16:07:01 ssjiang CRON[2172618]: pam_unix(cron:session): session closed for user www-data
Oct  2 16:08:01 ssjiang CRON[2172627]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  2 16:08:02 ssjiang CRON[2172627]: pam_unix(cron:session): session closed for user www-data
Oct  2 16:09:01 ssjiang CRON[2172637]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  2 16:09:01 ssjiang CRON[2172637]: pam_unix(cron:session): session closed for user root
Oct  2 16:09:01 ssjiang CRON[2172638]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  2 16:09:02 ssjiang CRON[2172638]: pam_unix(cron:session): session closed for user www-data
Oct  2 16:10:01 ssjiang CRON[2172719]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  2 16:10:01 ssjiang CRON[2172718]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  2 16:10:01 ssjiang CRON[2172721]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  2 16:10:01 ssjiang CRON[2172720]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  2 16:10:01 ssjiang CRON[2172721]: pam_unix(cron:session): session closed for user root
Oct  2 16:10:02 ssjiang CRON[2172720]: pam_unix(cron:session): session closed for user www-data