src/Api/Vps.php
public function installOperatingSystem($vpsName, $operatingSystemName, $hostname)
    {
        return $this->call(self::SERVICE, 'installOperatingSystem', [$vpsName, $operatingSystemName, $hostname]);
    }
public function installOperatingSystem($vpsName, $operatingSystemName, $hostname)
    {
        return $this->call(self::SERVICE, 'installOperatingSystem', [$vpsName, $operatingSystemName, $hostname]);
    }
Install an operating system on a VPS.

@param string $vpsName             Name of the VPS
@param string $operatingSystemName Name of the operating system
@param string $hostname            Hostname

@throws \SoapFault

@return mixed