public function getCronCommand()
    {
        $phpBinaryFinder = new PhpExecutableFinder();
        $php = $phpBinaryFinder->find();
        $command = 'cd ' . str_replace(' ', '\ ', GRAV_ROOT) . ';' . $php . ' bin/grav scheduler';

        return "(crontab -l; echo \"* * * * * {$command} 1>> /dev/null 2>&1\") | crontab -";
    }