问Laravel Dusk错误:无法连接到本地主机端口9515:连接被拒绝

EN

# makes sure all your repos are up to date
sudo apt-get update

# chrome dependencies I think
sudo apt-get -y install libxpm4 libxrender1 libgtk2.0-0 libnss3 libgconf-2-4

# chromium is what I had success with on Codeship, so seemed a good option
sudo apt-get install chromium-browser

# XVFB for headless applications
sudo apt-get -y install xvfb gtk2-engines-pixbuf

# fonts for the browser
sudo apt-get -y install xfonts-cyrillic xfonts-100dpi xfonts-75dpi xfonts-base         xfonts-scalable

# support for screenshot capturing
sudo apt-get -y install imagemagick x11-apps

# Once all this has run through, you need to fire up xvfb on your homestead box. If you’re planning to # do this on a regular basis, you’ll want to get this setup on boot, but for the sake of testing things out:
Xvfb -ac :0 -screen 0 1280x1024x16 &

public function handle()
{
    $xvfb = (new ProcessBuilder())
        ->setTimeout(null)
        ->setPrefix('/usr/bin/Xvfb')
        ->setArguments(['-ac',  ':0', '-screen', '0', '1280x1024x16'])
        ->getProcess();

    $xvfb->start();

    try {
        parent::handle();
    } finally {
        $xvfb->stop();
    }

    return;
}