Oct 12 21:30:01 ssjiang CRON[3560208]: pam_unix(cron:session): session closed for user root
Oct 12 21:30:01 ssjiang CRON[3560210]: pam_unix(cron:session): session closed for user www-data
Oct 12 21:31:01 ssjiang CRON[3600822]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 12 21:31:02 ssjiang CRON[3600822]: pam_unix(cron:session): session closed for user www-data
Oct 12 21:31:04 ssjiang CRON[3560209]: pam_unix(cron:session): session closed for user root
Oct 12 21:32:01 ssjiang CRON[3601438]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 12 21:32:01 ssjiang CRON[3601438]: pam_unix(cron:session): session closed for user www-data
Oct 12 21:33:01 ssjiang CRON[3601447]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 12 21:33:02 ssjiang CRON[3601447]: pam_unix(cron:session): session closed for user www-data
Oct 12 21:34:01 ssjiang CRON[3601456]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 12 21:34:02 ssjiang CRON[3601456]: pam_unix(cron:session): session closed for user www-data
Oct 12 21:35:01 ssjiang CRON[3601468]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct 12 21:35:01 ssjiang CRON[3601467]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 12 21:35:01 ssjiang CRON[3601466]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct 12 21:35:01 ssjiang CRON[3601468]: pam_unix(cron:session): session closed for user root
Oct 12 21:35:01 ssjiang CRON[3601467]: pam_unix(cron:session): session closed for user www-data
Oct 12 21:36:01 ssjiang CRON[3642672]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 12 21:36:02 ssjiang CRON[3601466]: pam_unix(cron:session): session closed for user root
Oct 12 21:36:02 ssjiang CRON[3642672]: pam_unix(cron:session): session closed for user www-data
Oct 12 21:37:01 ssjiang CRON[3642693]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 12 21:37:02 ssjiang CRON[3642693]: pam_unix(cron:session): session closed for user www-data
Oct 12 21:38:01 ssjiang CRON[3642702]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 12 21:38:02 ssjiang CRON[3642702]: pam_unix(cron:session): session closed for user www-data
Oct 12 21:39:01 ssjiang CRON[3642712]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct 12 21:39:01 ssjiang CRON[3642713]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 12 21:39:01 ssjiang CRON[3642712]: pam_unix(cron:session): session closed for user root
Oct 12 21:39:01 ssjiang CRON[3642713]: pam_unix(cron:session): session closed for user www-data
Oct 12 21:40:01 ssjiang CRON[3642794]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct 12 21:40:01 ssjiang CRON[3642797]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct 12 21:40:01 ssjiang CRON[3642796]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 12 21:40:01 ssjiang CRON[3642795]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct 12 21:40:01 ssjiang CRON[3642797]: pam_unix(cron:session): session closed for user root