anchor.diff:  ----
   user@val:~$ sudo su postgres
   postgres@val:~$ createdb ykval
  -postgres@val:~$ psql ykval < /usr/share/doc/yubikey-val/ykval-db.sql 
  +postgres@val:~$ psql ykval < /usr/share/doc/yubikey-val/ykval-db.sql
   postgres@val:~$
   ----
   
  
positive.code: user@val:~$ sudo sh -c 'cat >> /etc/hosts'
  1.2.3.4 api1.example.com
  2.3.4.5 api2.example.com
  user@val:~$ 
  ----
  
  To improve database performance you can use persistent database connection so that each request doesn't require a new connection to be setup. To enable this modify `__YKVAL_DB_OPTIONS__` as follows:
  
  [source, php]
  $baseParams['__YKVAL_DB_OPTIONS__'] = array(PDO::ATTR_PERSISTENT => true); 
  
  === Step 7: Apache configuration
  
  
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,
  