[Lxc-users] ssh'ing in the container ( ioctl operation not permitted /dev/tty failed - no such device or address )

[Fajar A. Nugraha]

On Mon, Oct 22, 2012 at 5:11 PM, swair shah <swairshah at gmail.com> wrote:
> I have a container running centos 6, on a host system also running centos 6.
> I have allocated a different subnet for containers and I'm able to ping the
> container.
>
> Now when I try to ssh into the container from another console, it prompts me
> for password. This is the log on the host system.
>
> Oct 22 14:00:25 localhost sshd[264]: Accepted password for root from
> 192.168.0.2 port 38355 ssh2
> Oct 22 14:00:25 localhost sshd[264]: pam_unix(sshd:session): session opened
> for user root by (uid=0)
> Oct 22 14:00:25 localhost sshd[266]: error: ioctl(TIOCSCTTY): Operation not
> permitted
> Oct 22 14:00:25 localhost sshd[266]: error: open /dev/tty failed - could not
> set controlling tty: No such device or address

That's odd. My centos container has no /dev/tty and it works just
fine. My host has one though.

>
> I should also mention that my host machine is a remote one and I have ssh'd
> into that.

It shouldn't matter.

>
> Do I need to make any specific changes to the tty conf in the container?

Do you have /dev/pts directory inside the container? What files are in there?
Do you have /dev/tty inside the host?

-- 
Fajar