1. build the images based on the Dockerfile

docker build -t lipilian/lfdisplay:v0 .

2. Check the image locally.

docker run -it lipilian/lfdisplay:v0

3. Check the Ubuntu version and python version in container.

python --version
lsb_release -a

4. Push the image to docker hub.

docker push lipilian/lfdisplay:v0

5. Reverse Egnineer the dockfile after update the image by dfimage.

dfimage <images ID>

docker pull lipilian/lfdisplay:v0

6. Copying the Cookie to connect X Server Displays.

On your local machine, get the cookie value using the following command

xauth list

Copy the output which would be of the form as shown below:

<username>/unix:  MIT-MAGIC-COOKIE-1  f1fa006c1e51fa8386209f85c57947c4

lipilian-Blade/unix:  MIT-MAGIC-COOKIE-1  aac799cc232afffe8df7ebc397a25c67

7. Create container and mount current path to container with external display

Check your image ID

docker images

Based on your image ID, create your container

docker create -u root -it --name lf-display -v $(pwd):/home/lf-display/ --net=host -e DISPLAY -v /tmp/.X11-unix a85372ee1445 

Start the container and attach to it

docker start lf-display
docker attach lf-display

8. Modify the container bash, add the cookie to the list In container bash

Note add 0 after the your unix:

xauth add lipilian-Blade/unix:0  MIT-MAGIC-COOKIE-1  aac799cc232afffe8df7ebc397a25c67

xauth list

9. Try with firefox to test if the gui display installed successfully.

If firefox is not installed carefully, run

apt-get install firefox