[root@localhsot]# mysql -u root -p

mysql> use cacti;

mysql> select * from user_auth;

mysql> update user_auth set password=md5("cactipasswd") where id='1';

 现在cacti登录的新密码就是cactipasswd


[root@localhsot]# /usr/bin/htpasswd /usr/local/nagios/etc nagios


查看密码文件:htpasswd.users