Can't use docker. in gradient notebooks

Hello, i always try to install docker, but when I try to run docker, the system says that docker is not running, but I always try to start the service.

There’s someone that also got this problem?

[email protected]:/notebooks# docker run hello-world
docker: Cannot connect to the Docker daemon at tcp:// Is the docker daemon running?.
See ‘docker run --help’.

Hey @Kevin_Takano Gradient notebooks run on Docker so you cannot run Docker within Docker but you can use a custom docker container when creating a notebook. Just click the advanced options section: