Oct  4 11:00:03 ssjiang CRON[1503138]: pam_unix(cron:session): session closed for user www-data
Oct  4 11:00:03 ssjiang CRON[1503136]: pam_unix(cron:session): session closed for user root
Oct  4 11:01:01 ssjiang CRON[1542179]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  4 11:01:02 ssjiang CRON[1542179]: pam_unix(cron:session): session closed for user www-data
Oct  4 11:01:03 ssjiang CRON[1503137]: pam_unix(cron:session): session closed for user root
Oct  4 11:02:01 ssjiang CRON[1542819]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  4 11:02:02 ssjiang CRON[1542819]: pam_unix(cron:session): session closed for user www-data
Oct  4 11:03:01 ssjiang CRON[1542828]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  4 11:03:02 ssjiang CRON[1542828]: pam_unix(cron:session): session closed for user www-data
Oct  4 11:04:01 ssjiang CRON[1542837]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  4 11:04:01 ssjiang CRON[1542837]: pam_unix(cron:session): session closed for user www-data
Oct  4 11:05:01 ssjiang CRON[1542847]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  4 11:05:01 ssjiang CRON[1542848]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  4 11:05:01 ssjiang CRON[1542846]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  4 11:05:01 ssjiang CRON[1542848]: pam_unix(cron:session): session closed for user root
Oct  4 11:05:02 ssjiang CRON[1542847]: pam_unix(cron:session): session closed for user www-data
Oct  4 11:06:01 ssjiang CRON[1581791]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  4 11:06:02 ssjiang CRON[1581791]: pam_unix(cron:session): session closed for user www-data
Oct  4 11:06:04 ssjiang CRON[1542846]: pam_unix(cron:session): session closed for user root
Oct  4 11:07:01 ssjiang CRON[1582515]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  4 11:07:02 ssjiang CRON[1582515]: pam_unix(cron:session): session closed for user www-data
Oct  4 11:08:01 ssjiang CRON[1582524]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  4 11:08:02 ssjiang CRON[1582524]: pam_unix(cron:session): session closed for user www-data
Oct  4 11:09:01 ssjiang CRON[1582534]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  4 11:09:01 ssjiang CRON[1582535]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  4 11:09:01 ssjiang CRON[1582534]: pam_unix(cron:session): session closed for user root
Oct  4 11:09:01 ssjiang CRON[1582535]: pam_unix(cron:session): session closed for user www-data
Oct  4 11:10:01 ssjiang CRON[1582613]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  4 11:10:01 ssjiang CRON[1582615]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  4 11:10:01 ssjiang CRON[1582612]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  4 11:10:01 ssjiang CRON[1582614]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  4 11:10:01 ssjiang CRON[1582615]: pam_unix(cron:session): session closed for user root
Oct  4 11:10:02 ssjiang CRON[1582614]: pam_unix(cron:session): session closed for user www-data