[lxc-users] sudo not working in unprivileged container

[Serge Hallyn]

Quoting Vitaly Belostotsky (spam.for.byly at gmail.com):
> Hi, all!
> 
> I'm trying to reproduce steps in
> https://www.stgraber.org/2014/01/17/lxc-1-0-unprivileged-containers/.
> Everything goes well except for sudo producing error:
> 
> sudo: effective uid is not 0, is /usr/bin/sudo on a file system with the
> 'nosuid' option set or an NFS file system without root privileges?
> 
> I'm using updated ubuntu 14.04 distro.
> 
> OTOH, when I use lxc-attach, I get the root shell in container and I can
> execute necessary commands (such as apt-get). But it's not as convenient,
> I'd prefer to use sudo.
> 
> What is my mistake?
> I failed to google relevant info, so I ask here. Thanks in advance.

Hi,

I suspect you're seeing this bug:

https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1263738

I no longer see it in most cases with trusty and later guests at
least - precise guests probably would still exhibit it.  What host
and guest OS+release are you using?