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udocker

Note

Please read the common steps first.

Note

udocker is not Docker.

udocker provides four modes for running containers as a non-root user:

  1. Pn: Proot mode
  2. Fn: fakechroot mode
  3. Rn: rootless runc mode
  4. Sn: Singularity mode

The third mode (Rn) falls into the scope of Rootless Containers, but the others are not: Pn and Fn are not containers (in our view), and Sn requires SETUID bit.

For futher information, see https://github.com/indigo-dc/udocker/