On Fri, Mar 9, 2012 at 10:34 AM, Thaddeus Hogan <[email protected]> wrote:
> When I start this container everything is working fine. However I don't
> want my containers in /var/lib/lxc (ext4 fs) so I copy the rootfs to a
> btrfs volume mounted to "/vm", into a subvolume that shares its name
> with the container, "test2".
Sometimes it's the "I want to make a small change, it should still
work"-stuff that's giving you a headache. Seriusly :)
> I ran strace on the su process and you can see that it proceeds fine all
> the way though to the setuid() call, but then cannot chdir() to
> "/home/tjh", or even to "/"!
>
> setuid(1000) = 0
> chdir("/home/tjh") = -1 EACCES (Permission denied)
> chdir("/") = -1 EACCES (Permission denied)
> write(2, "Unable to cd to '/home/tjh'\n", 28Unable to cd to '/home/tjh')
> = 28
>
> Any thoughts? I was banking on using a btrfs volume for my containers.
I'm guessing you create a btrfs subvolume vor the container? If yes,
check it's permission. By default, the new subvolume will only be
accessible to root. A simple "chmod 755" should fix it.
I'm using btrfs subvols as well, but in my case /var/lib/lxc itself is
a subvol, and the containers have their own subvols under it.
--
Fajar
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