[lxc-users] How to apply commands in howtos - macvlan and disk passthrough

Tycho Andersen tycho.andersen at canonical.com
Tue Dec 20 21:52:22 UTC 2016

Hi John,

On Tue, Dec 20, 2016 at 10:39:07PM +0100, john.gubert at web.de wrote:
>    Hello,
>    I have a directory on my host system and want to create several containers
>    with the same users inside. I would like to pass the directory through to
>    each container and allow the users to write and read on it. The network
>    connection should be done using macvlan.
>    The howtos I have read so far show how to set up lxd, which works very
>    well on my 16.04 host. Starting a container works out of the box as
>    unpriviliged user as well.
>    My questions:
>    Is it even possible to share one directory on the host with several
>    container?
>    All the howtos I could find mention some commands, that need to be
>    applied, but they do not tell me about the commands I need to type in to
>    make it work:
>    "That means you can create a container with the following configuration:
>    lxc.id_map = u 0 100000 65536
>  lxc.id_map = g 0 100000 65536"
>    There is a big list of possible options on github, but where does it tell
>    how to apply them?
>    Does someone know a detailed howto, that describes a similiar setup like
>    mine?

http://tycho.ws/blog/2016/12/uidmap.html is a blog post I wrote a
while ago talking about how to set this up with your home directory.
You can mimic the settings for whatever user map you want, though.



>    Every time I read something, I feel like missing something important,
>    because I could not find a coherent compendium of possible options on how
>    to do something.
>    kind regards,
>    John

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