----- Messaggio originale -----
| Da: "Antonio Murdaca" <amurdaca@xxxxxxxxxx>
| A: devel@xxxxxxxxxxxxxxxxxxxxxxx
| Cc: "Daniel J Walsh" <dwalsh@xxxxxxxxxx>, "Nalin Dahyabhai" <nalin@xxxxxxxxxx>
| Inviato: Mercoledì, 17 febbraio 2016 14:44:34
| Oggetto: ship Fedora with /etc/{subuid|subgid}
|
| Hello everyone,
|
| TL;DR;
| a fresh Fedora installation won't have /etc/subuid and /etc/subgid
| Docker user namespace implementation require those files to be present -
| otherwise it fails
|
| Docker user ns relies on two files /etc/{subuid,subgid} to be on the rootfs
| in order to
| gather information about remapped root(s). AFAIK other distros ship those
| files (empty by default IIRC).
seems like "passwd" is providing those files on stock Ubuntu(s)
http://manpages.ubuntu.com/manpages/wily/en/man5/subuid.5.html
| The only exception is Fedora (as also stated in their official docs at [1]).
|
| Is there any particular issue|reason Fedora doesn't ship those two files?
|
| [1]
| https://github.com/docker/docker/blob/master/docs/reference/commandline/daemon.md#starting-the-daemon-with-user-namespaces-enabled
|
| Thx,
| Antonio (runcom) Murdaca
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