Oct 16 13:30:01 ssjiang CRON[1506928]: pam_unix(cron:session): session closed for user root
Oct 16 13:30:02 ssjiang CRON[1506930]: pam_unix(cron:session): session closed for user www-data
Oct 16 13:31:01 ssjiang CRON[1547577]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 16 13:31:01 ssjiang CRON[1547577]: pam_unix(cron:session): session closed for user www-data
Oct 16 13:31:06 ssjiang CRON[1506929]: pam_unix(cron:session): session closed for user root
Oct 16 13:32:01 ssjiang CRON[1548878]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 16 13:32:01 ssjiang CRON[1548878]: pam_unix(cron:session): session closed for user www-data
Oct 16 13:33:01 ssjiang CRON[1548889]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 16 13:33:02 ssjiang CRON[1548889]: pam_unix(cron:session): session closed for user www-data
Oct 16 13:34:01 ssjiang CRON[1548898]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 16 13:34:02 ssjiang CRON[1548898]: pam_unix(cron:session): session closed for user www-data
Oct 16 13:35:01 ssjiang CRON[1548908]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 16 13:35:01 ssjiang CRON[1548909]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct 16 13:35:01 ssjiang CRON[1548907]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct 16 13:35:01 ssjiang CRON[1548909]: pam_unix(cron:session): session closed for user root
Oct 16 13:35:01 ssjiang CRON[1548908]: pam_unix(cron:session): session closed for user www-data
Oct 16 13:36:01 ssjiang CRON[1589972]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 16 13:36:02 ssjiang CRON[1589972]: pam_unix(cron:session): session closed for user www-data
Oct 16 13:36:06 ssjiang CRON[1548907]: pam_unix(cron:session): session closed for user root
Oct 16 13:37:01 ssjiang CRON[1590855]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 16 13:37:01 ssjiang CRON[1590855]: pam_unix(cron:session): session closed for user www-data
Oct 16 13:38:01 ssjiang CRON[1590865]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 16 13:38:02 ssjiang CRON[1590865]: pam_unix(cron:session): session closed for user www-data
Oct 16 13:39:01 ssjiang CRON[1590876]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct 16 13:39:01 ssjiang CRON[1590877]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 16 13:39:01 ssjiang CRON[1590876]: pam_unix(cron:session): session closed for user root
Oct 16 13:39:02 ssjiang CRON[1590877]: pam_unix(cron:session): session closed for user www-data
Oct 16 13:40:01 ssjiang CRON[1590960]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct 16 13:40:01 ssjiang CRON[1590959]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct 16 13:40:01 ssjiang CRON[1590957]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct 16 13:40:01 ssjiang CRON[1590958]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct 16 13:40:01 ssjiang CRON[1590960]: pam_unix(cron:session): session closed for user root