kde desktop in docker container

install docker

see this

curl -fsSL https://download.docker.com/linux/debian/gpg | sudo apt-key add -
sudo add-apt-repository \
   "deb [arch=amd64] https://mirrors.tuna.tsinghua.edu.cn/docker-ce/linux/debian \
   $(lsb_release -cs) \
   stable"
sudo apt-get install docker-ce

install nvidia-docker

see this

# 添加源
$ curl -s -L https://nvidia.github.io/nvidia-docker/gpgkey | sudo apt-key add -
$ curl -s -L https://nvidia.github.io/nvidia-docker/ubuntu18.04/nvidia-docker.list | sudo tee /etc/apt/sources.list.d/nvidia-docker.list

# 安装并重启docker
$ sudo apt update && sudo apt install -y nvidia-container-toolkit
$ sudo systemctl restart docker


# 在官方CUDA镜像上测试 nvidia-smi
$ sudo docker run --gpus all nvidia/cuda:9.0-base nvidia-smi

# 启动支持双GPU的容器
$ sudo docker run --gpus 2 nvidia/cuda:9.0-base nvidia-smi

# 指定GPU 1，运行容器
$ sudo docker run --gpus device=0 nvidia/cuda:9.0-base nvidia-smi

run

# not work, blackscreen after kde logo, problem still unknown
Xephyr -screen 1024x768 :1 &
docker run -v /tmp/.X11-unix:/tmp/.X11-unix kdeneon/plasma:unstable

# however application can run normally
xhost +
docker run -v /tmp/.X11-unix:/tmp/.X11-unix -e DISPLAY=:0 kdeneon/plasma:unstable okular

Another way that work

more see x11-docker, Is kde plasma still supported?

x11docker --desktop --init=systemd -- kdeneon/plasma:unstable