Oct  3 14:00:03 ssjiang CRON[4105178]: pam_unix(cron:session): session closed for user www-data
Oct  3 14:00:03 ssjiang CRON[4105176]: pam_unix(cron:session): session closed for user root
Oct  3 14:01:01 ssjiang CRON[4142601]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  3 14:01:01 ssjiang CRON[4142601]: pam_unix(cron:session): session closed for user www-data
Oct  3 14:01:07 ssjiang CRON[4105177]: pam_unix(cron:session): session closed for user root
Oct  3 14:02:01 ssjiang CRON[4144614]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  3 14:02:02 ssjiang CRON[4144614]: pam_unix(cron:session): session closed for user www-data
Oct  3 14:03:01 ssjiang CRON[4144627]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  3 14:03:02 ssjiang CRON[4144627]: pam_unix(cron:session): session closed for user www-data
Oct  3 14:04:01 ssjiang CRON[4144636]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  3 14:04:01 ssjiang CRON[4144636]: pam_unix(cron:session): session closed for user www-data
Oct  3 14:05:01 ssjiang CRON[4144645]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  3 14:05:01 ssjiang CRON[4144647]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  3 14:05:01 ssjiang CRON[4144646]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  3 14:05:01 ssjiang CRON[4144647]: pam_unix(cron:session): session closed for user root
Oct  3 14:05:02 ssjiang CRON[4144646]: pam_unix(cron:session): session closed for user www-data
Oct  3 14:06:01 ssjiang CRON[4183261]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  3 14:06:02 ssjiang CRON[4183261]: pam_unix(cron:session): session closed for user www-data
Oct  3 14:06:05 ssjiang CRON[4144645]: pam_unix(cron:session): session closed for user root
Oct  3 14:07:01 ssjiang CRON[4184072]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  3 14:07:02 ssjiang CRON[4184072]: pam_unix(cron:session): session closed for user www-data
Oct  3 14:08:01 ssjiang CRON[4184083]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  3 14:08:01 ssjiang CRON[4184083]: pam_unix(cron:session): session closed for user www-data
Oct  3 14:09:01 ssjiang CRON[4184093]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  3 14:09:01 ssjiang CRON[4184093]: pam_unix(cron:session): session closed for user root
Oct  3 14:09:01 ssjiang CRON[4184094]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  3 14:09:02 ssjiang CRON[4184094]: pam_unix(cron:session): session closed for user www-data
Oct  3 14:10:01 ssjiang CRON[4184178]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  3 14:10:01 ssjiang CRON[4184175]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  3 14:10:01 ssjiang CRON[4184176]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  3 14:10:01 ssjiang CRON[4184178]: pam_unix(cron:session): session closed for user root
Oct  3 14:10:01 ssjiang CRON[4184177]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  3 14:10:02 ssjiang CRON[4184177]: pam_unix(cron:session): session closed for user www-data