[lxc-devel] lxc-console problem with 0 tty but "the console"

[Stéphane Graber]

On Tue, Apr 01, 2014 at 02:49:35PM +0200, Guillaume ZITTA wrote:
> Hi,
> 
> In lxc-gentoo template, I supposed that in a ssh world more than 1
> tty is overkill.
> So, by default lxc-gentoo use only the "console", no additionnal tty
> 
> I didn't figure out that, by default, lxc-console tries to connect
> to the first tty.
> This lead to poor user experience :
> 
> # lxc-console -n testconsole
> lxc_container: console -1 invalid,busy or all consoles busy
> 
> # lxc-console -n testconsole -t 0
> ..working console
> 
> I have two solutions to fix this and I wanted to ask before work in
> the wrong direction :
> - patch lxc-console to try "-t 0" if the default "-t 1" fails
> My favorite, it's a pitty to fail when there is a working console.
> I don't know how to do it, but I'll figure out.
> 
> - patch lxc-gentoo template to provide at least 1 additionnal tty
> Easy but, not my favorite
> 
> What do you think ?

Hi,

I believe the reason why lxc-console attaches to tty1 instead of tty0 is
because tty0 is used by lxc-start when not daemonized, so lxc-console -n
<container> -t 0 will fail unless you started the container with -d.

I'd therefore recommend you provide an extra tty for the Gentoo template.

> 
> Guillaume ZITTA
> 
> _______________________________________________
> lxc-devel mailing list
> lxc-devel at lists.linuxcontainers.org
> http://lists.linuxcontainers.org/listinfo/lxc-devel

-- 
Stéphane Graber
Ubuntu developer
http://www.ubuntu.com
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