Oct 20 16:00:02 ssjiang CRON[1333497]: pam_unix(cron:session): session closed for user root
Oct 20 16:00:03 ssjiang CRON[1333499]: pam_unix(cron:session): session closed for user www-data
Oct 20 16:01:01 ssjiang CRON[1373561]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 20 16:01:01 ssjiang CRON[1373561]: pam_unix(cron:session): session closed for user www-data
Oct 20 16:01:08 ssjiang CRON[1333498]: pam_unix(cron:session): session closed for user root
Oct 20 16:02:01 ssjiang CRON[1376237]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 20 16:02:01 ssjiang CRON[1376237]: pam_unix(cron:session): session closed for user www-data
Oct 20 16:03:01 ssjiang CRON[1376247]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 20 16:03:02 ssjiang CRON[1376247]: pam_unix(cron:session): session closed for user www-data
Oct 20 16:04:01 ssjiang CRON[1376256]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 20 16:04:02 ssjiang CRON[1376256]: pam_unix(cron:session): session closed for user www-data
Oct 20 16:05:01 ssjiang CRON[1376266]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 20 16:05:01 ssjiang CRON[1376267]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct 20 16:05:01 ssjiang CRON[1376265]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct 20 16:05:01 ssjiang CRON[1376267]: pam_unix(cron:session): session closed for user root
Oct 20 16:05:01 ssjiang CRON[1376266]: pam_unix(cron:session): session closed for user www-data
Oct 20 16:06:01 ssjiang CRON[1418410]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 20 16:06:02 ssjiang CRON[1418410]: pam_unix(cron:session): session closed for user www-data
Oct 20 16:06:03 ssjiang CRON[1376265]: pam_unix(cron:session): session closed for user root
Oct 20 16:07:01 ssjiang CRON[1418992]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 20 16:07:02 ssjiang CRON[1418992]: pam_unix(cron:session): session closed for user www-data
Oct 20 16:08:01 ssjiang CRON[1419001]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 20 16:08:02 ssjiang CRON[1419001]: pam_unix(cron:session): session closed for user www-data
Oct 20 16:09:01 ssjiang CRON[1419084]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 20 16:09:01 ssjiang CRON[1419083]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct 20 16:09:01 ssjiang CRON[1419083]: pam_unix(cron:session): session closed for user root
Oct 20 16:09:02 ssjiang CRON[1419084]: pam_unix(cron:session): session closed for user www-data
Oct 20 16:10:01 ssjiang CRON[1419097]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 20 16:10:01 ssjiang CRON[1419096]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct 20 16:10:01 ssjiang CRON[1419095]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct 20 16:10:01 ssjiang CRON[1419098]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct 20 16:10:01 ssjiang CRON[1419098]: pam_unix(cron:session): session closed for user root