Running Docker

My Running Version

docker run --runtime=nvidia -it -w /notebooks -p 8888:8888 -v $(realpath ~/project/):/notebooks -e HOST_PERMS="$(id -u):$(id -g)"     tensorflow/tensorflow:nightly-devel-gpu-py3 bash

docker start -ai <container_name>

jupyter notebook --port=8888 --ip=0.0.0.0 --allow-root --no-browser .

Using a Jupyter Notebook within a Docker Container

docker run --runtime=nvidia -it -v "/my-local-computer-files/:/my-docker-container/" my-nvidia-container

Add flag

• -p 8888:8888
• -v "/my-local-computer-files/:/my-docker-container/"

Example

docker run --runtime=nvidia -it -p "8888:8888" -v "/my-local-computer-files/:/my-docker-container/" my-nvidia-container

Inside docker run:

jupyter notebook --port=8888 --ip=0.0.0.0 --allow-root --no-browser .

Running Docker

# Run a Docker image
docker run hello-world

# List images
docker image ls

# List the containers on our system
docker ps -a

# List Docker containers (running, all, all in quiet mode)
docker container ls
docker container ls --all
docker container ls -aq

# Reuse a container
docker start -attach <container name>

# Look inside the container and show the running processes
docker top <container name>

# Stop container
docker stop <container name>

# Remove docker
docker rm <container name>

• -attach tells Docker to connect to the container output so we can see the results
• -it flags allow us to interact with the shell.

Share system resources with a container

docker run -v /full/path/to/html/directory:/usr/share/nginx/html:ro -p 8080:80 -d nginx

• -v /full/path/to/html/directory:/usr/share/nginx/html:ro maps the directory holding our web page to the required location in the image. The ro field instructs Docker to mount it in read-only mode. It’s best to pass Docker the full paths when specifying host directories.
• -p 8080:80 maps network service port 80 in the container to 8080 on our host system.
• -d detaches the container from our command line session. Unlike our previous two examples, we don’t want to interact with this container.
• nginx is the name of the image.

Cleaning Docker containers

Purging All Unused or Dangling Images, Containers, Volumes, and Networks

docker system prune

To additionally remove any stopped containers and all unused images (not just dangling images), add the -a flag to the command:

docker system prune -a

Removing Docker Images

Remove one or more specific images

List:

docker images -a

Remove:

docker rmi Image Image

Remove dangling images

Docker images consist of multiple layers. Dangling images are layers that have no relationship to any tagged images.

List:

docker images -f dangling=true

Remove:

docker images purge

Remove all images

List:

docker images -a

Remove:

docker rmi $(docker images -a -q)

Removing Containers

Remove one or more specific containers

List:

docker ps -a

Remove:

docker rm ID_or_Name ID_or_Name

Stop and remove all containers

List:

docker ps -a

Remove:

docker stop $(docker ps -a -q)
docker rm $(docker ps -a -q)

Common Issues

• How to fix docker: Got permission denied issue
  • Create the docker group. sudo groupadd docker
  • Add your user to the docker group. sudo usermod -aG docker $USER
  • Logout and login again and run. docker run hello-world