问题描述
当我尝试在docker容器中运行Chrome时，我看到以下错误：Gtk：无法打开显示：0：0
When I try to run chromium inside a docker container I see the following error: Gtk: cannot open display: :0
Dockerfile：（基于 https://registry.hub.docker.com/u/jess/chromium/dockerfile ）
Dockerfile: (based on https://registry.hub.docker.com/u/jess/chromium/dockerfile)
FROM debian:jessie
# Install Chromium
RUN sed -i.bak 's/jessie main/jessie main contrib non-free/g' /etc/apt/sources.list && \
apt-get update && apt-get install -y \
chromium \
chromium-l10n \
libcanberra-gtk-module \
libexif-dev \
libpango1.0-0 \
libv4l-0 \
pepperflashplugin-nonfree \
--no-install-recommends && \
mkdir -p /etc/chromium.d/
# Autorun x11vnc
CMD ["/usr/bin/chromium", "--no-sandbox", "--user-data-dir=/data"]
构建并运行：
docker build -t chromium
docker run -e DISPLAY=$DISPLAY -v /tmp/.X11-unix:/tmp/.X11-unix --privileged chromium
和错误：
[1:1:0202/085603:ERROR:browser_main_loop.cc(164)] Running without the SUID sandbox! See https://code.google.com/p/chromium/wiki/LinuxSUIDSandboxDevelopment for more information on developing with the sandbox on.
No protocol specified
[1:1:0202/085603:ERROR:browser_main_loop.cc(210)] Gtk: cannot open display: :0
推荐答案
我对铬不太了解，但是当:-)时，我确实使用X进行了研究。告诉X客户端连接到：0，您的意思是连接到端口6000（或运行X服务器的任何设备）+ 0，或者连接到端口6000。实际上，DISPLAY是IP：PORT（如上所述为+6000）。 X服务器正在您的主机上运行，因此，如果您进行以下设置：
i don't know much about chromium, but, I did work with X way back when :-) When you tell an X client to connect to :0, what you are saying is connect to port 6000 (or whatever your X server runs on) + 0, or port 6000 in this case. In fact, DISPLAY is IP:PORT (with the +6000 as mentioned above). The X server is running on your host, so, if you set:
DISPLAY=your_host_ip:0
可能有效。但是，X服务器不允许仅来自任何旧客户端的连接，因此，您将需要打开X服务器。在主机上运行
that might work. However, X servers did not allow connections from just any old client, so, you will need to open up your X server. on your host, run
xhost +
在运行Docker容器之前。所有这些都是假设您可以在主机上运行Chrome（即，主机上存在X服务器）。
before running the docker container. All of this is assuming you can run chromium on your host (that is, an X server exists on your host).
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