File does not exist: /htdocs

I just fired a new amazon ec2 instance and i followed these directions and i get this when i visit the site

  File does not exist: /htdocs

also how do i get the elastic ip for this server because on the amazon console its blank

i cant tell what kind of ubuntu this is ..i see this

 Linux domU-12-31-39-02-5D-E7 2.6.31-302-ec2 #7-Ubuntu SMP Tue Oct 13 19:06:04 UTC 2009 i686

<VirtualHost *:80>
    ServerAdmin webmaster@localhost

    DocumentRoot /var/www
    <Directory />
            Options FollowSymLinks
            AllowOverride None
    </Directory>
    <Directory /var/www/>
            Options Indexes FollowSymLinks MultiViews
            AllowOverride None
            Order allow,deny
            allow from all
    </Directory>

    ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/
    <Directory "/usr/lib/cgi-bin">
            AllowOverride None
            Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch
            Order allow,deny
            Allow from all
    </Directory>

    ErrorLog /var/log/apache2/error.log

    # Possible values include: debug, info, notice, warn, error, crit,
    # alert, emerg.
    LogLevel warn

    CustomLog /var/log/apache2/access.log combined

 Alias /doc/ "/usr/share/doc/"
 <Directory "/usr/share/doc/">
    Options Indexes MultiViews FollowSymLinks
    AllowOverride None
    Order deny,allow
     Deny from all
     Allow from 127.0.0.0/255.0.0.0 ::1/128
     </Directory>

    </VirtualHost>