Ubuntu: Restrict Access to PHPMyAdmin

Add this directives if you want to allow only 8.8.8.8 to view your phpmyadmin
Order Deny,Allow Deny from All Allow from 8.8.8.8
to
/etc/phpmyadmin/apache.conf



<Directory /usr/share/phpmyadmin>

        Options FollowSymLinks

        DirectoryIndex index.php

        #allow access to specific IP

        Order Deny,Allow

        Deny from All

        Allow from 8.8.8.8
        <IfModule mod_php5.c>

                AddType application/x-httpd-php .php
                php_flag magic_quotes_gpc Off

                php_flag track_vars On

                php_flag register_globals Off

                php_admin_flag allow_url_fopen Off

                php_value include_path .

                php_admin_value upload_tmp_dir /var/lib/phpmyadmin/tmp

                php_admin_value open_basedir /usr/share/phpmyadmin/:/etc/phpmyadmin/:/var/lib/phpmyadmin/:/usr/share/php/php-gettext/:/usr/share/javascript/

        </IfModule>
</Directory>

then restart apache
sudo service apache2 restart