[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