Oct 15 12:30:01 ssjiang CRON[1492933]: pam_unix(cron:session): session closed for user root
Oct 15 12:30:02 ssjiang CRON[1492935]: pam_unix(cron:session): session closed for user www-data
Oct 15 12:31:01 ssjiang CRON[1531335]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 15 12:31:01 ssjiang CRON[1531335]: pam_unix(cron:session): session closed for user www-data
Oct 15 12:31:08 ssjiang CRON[1492934]: pam_unix(cron:session): session closed for user root
Oct 15 12:32:01 ssjiang CRON[1534763]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 15 12:32:02 ssjiang CRON[1534763]: pam_unix(cron:session): session closed for user www-data
Oct 15 12:33:01 ssjiang CRON[1534773]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 15 12:33:02 ssjiang CRON[1534773]: pam_unix(cron:session): session closed for user www-data
Oct 15 12:34:01 ssjiang CRON[1534782]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 15 12:34:02 ssjiang CRON[1534782]: pam_unix(cron:session): session closed for user www-data
Oct 15 12:35:01 ssjiang CRON[1534791]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct 15 12:35:01 ssjiang CRON[1534793]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct 15 12:35:01 ssjiang CRON[1534792]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 15 12:35:01 ssjiang CRON[1534793]: pam_unix(cron:session): session closed for user root
Oct 15 12:35:01 ssjiang CRON[1534792]: pam_unix(cron:session): session closed for user www-data
Oct 15 12:36:01 ssjiang CRON[1573435]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 15 12:36:02 ssjiang CRON[1573435]: pam_unix(cron:session): session closed for user www-data
Oct 15 12:36:09 ssjiang CRON[1534791]: pam_unix(cron:session): session closed for user root
Oct 15 12:37:01 ssjiang CRON[1576618]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 15 12:37:02 ssjiang CRON[1576618]: pam_unix(cron:session): session closed for user www-data
Oct 15 12:38:01 ssjiang CRON[1576627]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 15 12:38:02 ssjiang CRON[1576627]: pam_unix(cron:session): session closed for user www-data
Oct 15 12:39:01 ssjiang CRON[1576637]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct 15 12:39:01 ssjiang CRON[1576638]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 15 12:39:01 ssjiang CRON[1576637]: pam_unix(cron:session): session closed for user root
Oct 15 12:39:01 ssjiang CRON[1576638]: pam_unix(cron:session): session closed for user www-data
Oct 15 12:40:01 ssjiang CRON[1576719]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct 15 12:40:01 ssjiang CRON[1576722]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct 15 12:40:01 ssjiang CRON[1576720]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct 15 12:40:01 ssjiang CRON[1576721]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 15 12:40:01 ssjiang CRON[1576722]: pam_unix(cron:session): session closed for user root