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user-mapping

Updated on 4/19/2022

This script is exactly what is called during the “initialization” of the image. If you want to change the container-inside authority to other persons, just run this command:

sudo user-mapping uid=<uid> gid=<gid>

Launched by docker

The following command is equivalent to running the user-mapping script instantly after starting a new container:

docker run --gpus all -it --rm xubuntu:1.0 uid=$(id -u) gid=$(id -g)

You may find that this is exactly the initialization of a new docker image. Here $(id -u) is your user id, and $(id -g) is your group id.