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Giuseppe Scrivano 2cff5ddf93
userns: add support for auto 
automatically pick an empty range and create an user namespace for the
container.

For root containers, it is necessary to specify an entry in
the /etc/subuid and /etc/subgid files to use for picking the range of
available IDs.  This is necessary to avoid collisions with IDs used
for rootless containers.  This setting is ignored for rootless
containers, since it is not possible to use arbitrary IDs, and the
initial set is always picked by the IDs assigned to the rootless
user.

When using auto userns, a container will use a range of IDs that is
not used by any other container user namespace, also those that are
not using auto userns, this is checked at creation time.
A successive container that doesn't use auto userns feature can still
collide with IDs used by an auto userns container.

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
 		2020-03-26 11:12:34 +01:00
..
Makefile Add support for installing man pages 2019-07-21 04:34:04 -04:00
containers-storage-add-names.md Wrap the Store.Names() method in the CLI 2017-09-29 15:00:19 -04:00
containers-storage-applydiff.md Finish renaming oci-storage to containers-storage 2017-07-10 16:11:09 -04:00
containers-storage-changes.md Finish renaming oci-storage to containers-storage 2017-07-10 16:11:09 -04:00
containers-storage-container.md Add a CLI "layer" command 2017-09-29 15:06:59 -04:00
containers-storage-containers.md Finish renaming oci-storage to containers-storage 2017-07-10 16:11:09 -04:00
containers-storage-copy.md Exercise Copy[File]WithTar, optionally with Chown flags 2018-05-01 10:27:34 -04:00
containers-storage-create-container.md Finish renaming oci-storage to containers-storage 2017-07-10 16:11:09 -04:00
containers-storage-create-image.md Finish renaming oci-storage to containers-storage 2017-07-10 16:11:09 -04:00
containers-storage-create-layer.md Finish renaming oci-storage to containers-storage 2017-07-10 16:11:09 -04:00
containers-storage-delete-container.md Finish renaming oci-storage to containers-storage 2017-07-10 16:11:09 -04:00
containers-storage-delete-image.md Finish renaming oci-storage to containers-storage 2017-07-10 16:11:09 -04:00
containers-storage-delete-layer.md Finish renaming oci-storage to containers-storage 2017-07-10 16:11:09 -04:00
containers-storage-delete.md Finish renaming oci-storage to containers-storage 2017-07-10 16:11:09 -04:00
containers-storage-diff.md Finish renaming oci-storage to containers-storage 2017-07-10 16:11:09 -04:00
containers-storage-diffsize.md Finish renaming oci-storage to containers-storage 2017-07-10 16:11:09 -04:00
containers-storage-exists.md Finish renaming oci-storage to containers-storage 2017-07-10 16:11:09 -04:00
containers-storage-get-container-data-digest.md Wrap new data retrieval APIs in the CLI tool 2017-10-02 17:50:01 -04:00
containers-storage-get-container-data-size.md Wrap new data retrieval APIs in the CLI tool 2017-10-02 17:50:01 -04:00
containers-storage-get-container-data.md Wrap new data retrieval APIs in the CLI tool 2017-10-02 17:50:01 -04:00
containers-storage-get-container-dir.md Finish renaming oci-storage to containers-storage 2017-07-10 16:11:09 -04:00
containers-storage-get-container-run-dir.md Finish renaming oci-storage to containers-storage 2017-07-10 16:11:09 -04:00
containers-storage-get-image-data-digest.md Wrap new data retrieval APIs in the CLI tool 2017-10-02 17:50:01 -04:00
containers-storage-get-image-data-size.md Wrap new data retrieval APIs in the CLI tool 2017-10-02 17:50:01 -04:00
containers-storage-get-image-data.md Wrap new data retrieval APIs in the CLI tool 2017-10-02 17:50:01 -04:00
containers-storage-get-names.md Wrap the Store.Names() method in the CLI 2017-09-29 15:00:19 -04:00
containers-storage-image.md Add a CLI "layer" command 2017-09-29 15:06:59 -04:00
containers-storage-images-by-digest.md Teach images to hold multiple manifests 2019-02-07 10:27:36 -05:00
containers-storage-images.md Finish renaming oci-storage to containers-storage 2017-07-10 16:11:09 -04:00
containers-storage-import-layer.md docs: add manpage for import-layer 2019-05-03 16:18:29 +02:00
containers-storage-layer.md Add a CLI "layer" command 2017-09-29 15:06:59 -04:00
containers-storage-layers.md Finish renaming oci-storage to containers-storage 2017-07-10 16:11:09 -04:00
containers-storage-list-container-data.md Wrap new data retrieval APIs in the CLI tool 2017-10-02 17:50:01 -04:00
containers-storage-list-image-data.md Wrap new data retrieval APIs in the CLI tool 2017-10-02 17:50:01 -04:00
containers-storage-metadata.md Finish renaming oci-storage to containers-storage 2017-07-10 16:11:09 -04:00
containers-storage-mount.md Add man-page of subcommand mounted 2018-11-20 12:35:51 +09:00
containers-storage-mounted.md Add man-page of subcommand mounted 2018-11-20 12:35:51 +09:00
containers-storage-set-container-data.md Wrap new data retrieval APIs in the CLI tool 2017-10-02 17:50:01 -04:00
containers-storage-set-image-data.md Wrap new data retrieval APIs in the CLI tool 2017-10-02 17:50:01 -04:00
containers-storage-set-metadata.md Finish renaming oci-storage to containers-storage 2017-07-10 16:11:09 -04:00
containers-storage-set-names.md Wrap the Store.Names() method in the CLI 2017-09-29 15:00:19 -04:00
containers-storage-shutdown.md Finish renaming oci-storage to containers-storage 2017-07-10 16:11:09 -04:00
containers-storage-status.md Finish renaming oci-storage to containers-storage 2017-07-10 16:11:09 -04:00
containers-storage-unmount.md Add man-page of subcommand mounted 2018-11-20 12:35:51 +09:00
containers-storage-version.md Finish renaming oci-storage to containers-storage 2017-07-10 16:11:09 -04:00
containers-storage-wipe.md Finish renaming oci-storage to containers-storage 2017-07-10 16:11:09 -04:00
containers-storage.conf.5.md userns: add support for auto 2020-03-26 11:12:34 +01:00
containers-storage.md storage: drop ostree deduplication 2019-10-05 20:27:45 +02:00