Oct  3 22:00:03 ssjiang CRON[3700520]: pam_unix(cron:session): session closed for user www-data
Oct  3 22:00:03 ssjiang CRON[3700518]: pam_unix(cron:session): session closed for user root
Oct  3 22:01:01 ssjiang CRON[3738313]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  3 22:01:02 ssjiang CRON[3738313]: pam_unix(cron:session): session closed for user www-data
Oct  3 22:01:07 ssjiang CRON[3700519]: pam_unix(cron:session): session closed for user root
Oct  3 22:02:01 ssjiang CRON[3739956]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  3 22:02:01 ssjiang CRON[3739956]: pam_unix(cron:session): session closed for user www-data
Oct  3 22:03:01 ssjiang CRON[3739968]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  3 22:03:02 ssjiang CRON[3739968]: pam_unix(cron:session): session closed for user www-data
Oct  3 22:04:01 ssjiang CRON[3739977]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  3 22:04:02 ssjiang CRON[3739977]: pam_unix(cron:session): session closed for user www-data
Oct  3 22:05:01 ssjiang CRON[3739988]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  3 22:05:01 ssjiang CRON[3739989]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  3 22:05:01 ssjiang CRON[3739987]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  3 22:05:01 ssjiang CRON[3739989]: pam_unix(cron:session): session closed for user root
Oct  3 22:05:01 ssjiang CRON[3739988]: pam_unix(cron:session): session closed for user www-data
Oct  3 22:06:01 ssjiang CRON[3778662]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  3 22:06:02 ssjiang CRON[3778662]: pam_unix(cron:session): session closed for user www-data
Oct  3 22:06:05 ssjiang CRON[3739987]: pam_unix(cron:session): session closed for user root
Oct  3 22:07:01 ssjiang CRON[3779419]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  3 22:07:02 ssjiang CRON[3779419]: pam_unix(cron:session): session closed for user www-data
Oct  3 22:08:01 ssjiang CRON[3779429]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  3 22:08:02 ssjiang CRON[3779429]: pam_unix(cron:session): session closed for user www-data
Oct  3 22:09:01 ssjiang CRON[3779439]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  3 22:09:01 ssjiang CRON[3779439]: pam_unix(cron:session): session closed for user root
Oct  3 22:09:01 ssjiang CRON[3779440]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  3 22:09:01 ssjiang CRON[3779440]: pam_unix(cron:session): session closed for user www-data
Oct  3 22:10:01 ssjiang CRON[3779522]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  3 22:10:01 ssjiang CRON[3779523]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  3 22:10:01 ssjiang CRON[3779525]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  3 22:10:01 ssjiang CRON[3779525]: pam_unix(cron:session): session closed for user root
Oct  3 22:10:01 ssjiang CRON[3779524]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  3 22:10:02 ssjiang CRON[3779524]: pam_unix(cron:session): session closed for user www-data