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I used docker, that's what I used before. I'm aware of podman, but did not try to use it. But thanks for suggestion, I'll look into it.

PS I just tried to use it. I've got some permission denied errors from containers which were not present with docker. I guess podman is not ready as a complete replacement of docker for me.



  echo "user.max_user_namespaces=28633" | sudo tee -a /etc/sysctl.d/98-userns.conf
  sudo sysctl --system
  sudo usermod -v 10000-65536 -w 10000-65536 $(id -un)
  podman system migrate
  podman unshare cat /proc/self/uid_map
  podman info


It wasn't a suggestion, because it doesn't have all the features that many people utilized in the Docker ecosystem. Like Docker-compose. (Right now on 22 May 2021.)

it's not ready for replacement.


There's podman-compose which seems to almost work for me, but not completely, yep.

If I would write containers myself from the scratch, I'd definitely try to ensure that podman works. But I'm using containers from other people, so I have to live with that for now.


Isn't docker a symlink to podman on Fedora these days?


I installed docker from the docker repository, it's definitely not a symlink to podman on my system right now. I did not check whether that symlink existed before docker installation, but I doubt about that.


There's a command that uses podman command to use docker. But I can't find it right now.


  sudo dnf install -y podman-docker

  cat /usr/bin/docker
  #!/bin/sh
  [ -f /etc/containers/nodocker ] || \
  echo "Emulate Docker CLI using podman. Create /etc/containers/nodocker to quiet msg." >&2
  exec /usr/bin/podman "$@"




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