Alias /glpi /opt/glpi

<VirtualHost glpi>
    NameVirtualHost glpi
    ServerName glpi
    ServerAlias glpi
    ServerAlias glpi.domain.ru
    ServerAdmin glpi@domain.ru
    DocumentRoot /opt/glpi

    <Directory /opt/glpi>
        DirectoryIndex index.php
        Options FollowSymLinks
        AllowOverride Limit Options FileInfo
        Require all granted
    </Directory>

</VirtualHost>