anchor.diff:  user@val:~$ sudo a2enmod gnutls
   Enabling module gnutls.
   Run '/etc/init.d/apache2 restart' to activate new configuration!
  -user@val:~$ 
  +user@val:~$
   ----
   
   You will need to place the private key in
   /etc/ssl/private/api.example.com-key.pem and the certificate chain in
   /etc/ssl/private/api.example.com-chain.pem.
   
  -Create Apache web configuration files: 
  +Create Apache web configuration files:
   
   [source, sh]
   ----
  
positive.code: 
  [source, sh]
  ----
  user@val:~$ sudo apt-get install postgresql php5-pgsql 
  ...
  user@val:~$ 
  ----
  
  The database needs to be initialized as follows:
  
negative.code: [source, sh]
  ----
  user@val:~$ echo 'create database ykval' | mysql
  user@val:~$ mysql ykval < /usr/share/doc/yubikey-val/ykval-db.sql
  user@val:~$
  ----
  
  You also need to create a database user for the verifier interface,
  