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Commit 9a629f5 "utils/docker-run: allow running with Podman" added an
option on system providing the podman command. This case is mainly
for Fedora systems.
Fedora repositories have a podman-docker package, that provides the
docker command for compatibility. See [1]. In that case, invoking
"docker" redirects to podman.
When this package is installed on a Fedora system, both the docker and
podman commands are available. Since the docker command is checked
before podman, the --userns option is not passed in that case. This
brings "permission denied" errors.
Other cases are also possible, like a host system providing the real
Docker alongside a podman installation. In such a case, to avoid
unexpected change of behavior of the docker-run script, the original
search order is preserved (search for "docker" first, then "podman").
This commit changes the way the podman user namespace mode is set.
Rather than adding the "--userns=keep-id" command line option only in
the podman case, it is globally set using the PODMAN_USERNS=keep-id
environment variable [2].
Doing so makes sure that the variable will be consumed by the "docker"
compatibility command, and just ignored by the real "docker"
implementation.
[1] https://packages.fedoraproject.org/pkgs/podman/podman-docker/
[2] https://docs.podman.io/en/latest/markdown/podman-run.1.html
Signed-off-by: Julien Olivain <ju.o@free.fr>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Buildroot is a simple, efficient and easy-to-use tool to generate embedded Linux systems through cross-compilation. The documentation can be found in docs/manual. You can generate a text document with 'make manual-text' and read output/docs/manual/manual.text. Online documentation can be found at http://buildroot.org/docs.html To build and use the buildroot stuff, do the following: 1) run 'make menuconfig' 2) select the target architecture and the packages you wish to compile 3) run 'make' 4) wait while it compiles 5) find the kernel, bootloader, root filesystem, etc. in output/images You do not need to be root to build or run buildroot. Have fun! Buildroot comes with a basic configuration for a number of boards. Run 'make list-defconfigs' to view the list of provided configurations. Please feed suggestions, bug reports, insults, and bribes back to the buildroot mailing list: buildroot@buildroot.org You can also find us on #buildroot on OFTC IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches