Reference

Reference

Common Docker commands

To download a container image:

BASH

docker image pull hello-world

To run a container:

If you have not yet downloaded the hello-world container image, this command will also download it.

BASH

docker container run hello-world

To run a shell inside a container:

This depends on how the container is set up. For some containers, you can access a shell directly:

BASH

$ docker container run -it alpine sh

For other containers you will need to override the default entrypoint:

BASH

$ docker container run -it --entrypoint sh my-container

To run a specific command using a container:

As above, this depends on how the container is set up. For some containers, you can run a command directly:

BASH

docker container run alpine cat /etc/os-release

For others, you will need to override the default entrypoint:

BASH

$ docker container run -it --entrypoint /bin/date hello-world

Common Singularity commands

To download a container image:

BASH

$ singularity pull hello-world.sif shub://vsoch/hello-world

To run a container:

BASH

$ singularity run hello-world.sif

To run a shell inside a container:

BASH

$ singularity shell hello-world.sif

To run a specific command using a container:

BASH

$ singularity exec hello-world.sif /bin/echo Hello World!