Strange package to include those. This also looks like an interesting package. http://manpages.ubuntu.com/manpages/vivid/man1/newuidmap.1.html On 02/17/2016 11:45 AM, Antonio Murdaca wrote: > > ----- 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 > | -- > | devel mailing list > | devel@xxxxxxxxxxxxxxxxxxxxxxx > | http://lists.fedoraproject.org/admin/lists/devel@xxxxxxxxxxxxxxxxxxxxxxx > | > -- > devel mailing list > devel@xxxxxxxxxxxxxxxxxxxxxxx > http://lists.fedoraproject.org/admin/lists/devel@xxxxxxxxxxxxxxxxxxxxxxx -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx http://lists.fedoraproject.org/admin/lists/devel@xxxxxxxxxxxxxxxxxxxxxxx