Oct  8 00:00:03 ssjiang CRON[403188]: pam_unix(cron:session): session closed for user root
Oct  8 00:00:03 ssjiang CRON[403190]: pam_unix(cron:session): session closed for user www-data
Oct  8 00:01:01 ssjiang CRON[439014]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 00:01:02 ssjiang CRON[439014]: pam_unix(cron:session): session closed for user www-data
Oct  8 00:01:11 ssjiang CRON[403189]: pam_unix(cron:session): session closed for user root
Oct  8 00:02:01 ssjiang CRON[443788]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 00:02:02 ssjiang CRON[443788]: pam_unix(cron:session): session closed for user www-data
Oct  8 00:03:01 ssjiang CRON[443800]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 00:03:01 ssjiang CRON[443800]: pam_unix(cron:session): session closed for user www-data
Oct  8 00:04:01 ssjiang CRON[443809]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 00:04:02 ssjiang CRON[443809]: pam_unix(cron:session): session closed for user www-data
Oct  8 00:05:01 ssjiang CRON[443819]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 00:05:01 ssjiang CRON[443818]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 00:05:01 ssjiang CRON[443820]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 00:05:01 ssjiang CRON[443820]: pam_unix(cron:session): session closed for user root
Oct  8 00:05:02 ssjiang CRON[443819]: pam_unix(cron:session): session closed for user www-data
Oct  8 00:06:01 ssjiang CRON[483460]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 00:06:01 ssjiang CRON[483460]: pam_unix(cron:session): session closed for user www-data
Oct  8 00:06:05 ssjiang CRON[443818]: pam_unix(cron:session): session closed for user root
Oct  8 00:07:01 ssjiang CRON[484265]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 00:07:01 ssjiang CRON[484265]: pam_unix(cron:session): session closed for user www-data
Oct  8 00:08:01 ssjiang CRON[484274]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 00:08:02 ssjiang CRON[484274]: pam_unix(cron:session): session closed for user www-data
Oct  8 00:09:01 ssjiang CRON[484284]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 00:09:01 ssjiang CRON[484284]: pam_unix(cron:session): session closed for user root
Oct  8 00:09:01 ssjiang CRON[484285]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 00:09:02 ssjiang CRON[484285]: pam_unix(cron:session): session closed for user www-data
Oct  8 00:10:01 ssjiang CRON[484361]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 00:10:01 ssjiang CRON[484362]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 00:10:01 ssjiang CRON[484364]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Oct  8 00:10:01 ssjiang CRON[484363]: pam_unix(cron:session): session opened for user www-data(uid=33) by (uid=0)
Oct  8 00:10:01 ssjiang CRON[484364]: pam_unix(cron:session): session closed for user root