$cfg['blowfish_secret']='multiServerExample70518';
//any string of your choice (max. 46 characters)
$i = 0;

$i++; // server 1 :
$cfg['Servers'][$i]['auth_type'] = 'cookie'; // needed for pma 2.x
$cfg['Servers'][$i]['verbose']   = 'no1';
$cfg['Servers'][$i]['host']      = 'localhost';
$cfg['Servers'][$i]['extension'] = 'mysqli';
// more options for #1 ...

$i++; // server 2 :
$cfg['Servers'][$i]['auth_type'] = 'cookie';
$cfg['Servers'][$i]['verbose']   = 'no2';
$cfg['Servers'][$i]['host']      = 'remote.host.addr';//or ip:'10.9.8.1'
// this server must allow remote clients, e.g., host 10.9.8.%
// not only in mysql.host but also in the startup configuration
$cfg['Servers'][$i]['extension'] = 'mysqli';
// more options for #2 ...

// end of server sections
$cfg['ServerDefault'] = 0; // to choose the server on startup