我正在尝试在 Docker 中运行 virtualbox 以使用 vagrant。我尝试使用 Ubuntu 来实现这一目标。这是我的 Dockerfile：
FROM ubuntu
RUN apt-get update
RUN apt-get install -y software-properties-common python-software-properties
RUN add-apt-repository 'deb http://download.virtualbox.org/virtualbox/debian trusty contrib'
RUN add-apt-repository 'deb http://de.archive.ubuntu.com/ubuntu trusty main restricted universe multiverse'
RUN apt-get update
RUN apt-get install -y wget linux-headers-generic
RUN wget http://download.virtualbox.org/virtualbox/debian/oracle_vbox.asc -O- | sudo apt-key add -
RUN apt-get update
RUN apt-get install -y gcc virtualbox dkms virtualbox-dkms
RUN wget https://dl.bintray.com/mitchellh/vagrant/vagrant_1.7.1_x86_64.deb
RUN dpkg -i vagrant_1.7.1_x86_64.deb
如果我然后运行virtualbox，我会得到：
WARNING: The character device /dev/vboxdrv does …