[Lxc-users] retrieve guest container's ip address

[Marko Anastasov]

On Sat, Jan 5, 2013 at 12:21 PM, Alan McDuff <alan.mcduff at yahoo.com> wrote:

> Hello,
> since Ubuntu 12.04 made it very simple to create a lxc guest, I was able
> to start experimenting with lxc.
> I create and run the container using:
>
> lxc-create -t ubuntu -n guest1
> lxc-start -n guest1 -d
>
> But how do I get the ip address of the guest, which I think is assigned by
> a dhcp server running on the host? I need to automate this to work in a
> shell script.
>
> Running "lxc-start -n guest1" without daemon mode and then typing
> "ifconfig" inside the container is no option, because this works only
> interactively.
> Running "lxc-execute -n guest1 ifconfig" doesn't show the address, because
> the network seems not to be set up with lxc-execute, and lxc-execute can
> only execute in a stopped container.
> Scanning the guest network using nmap for open ssh ports works, but is
> slow and needs trial and error to find the correct guest if more than one
> are runnign in the scanned range.
>
> Is there something like an "lxc-ifconfig" command?
> Also, instructions would help that explain how to login using the hostname
> ("ssh ubuntu at guest1"). But I would need instructions that work
> specifically with ubuntu 12.04. I found numerous tips for lxc under debian,
> but I can't figure out how to make them work for ubuntu.
>
>
Hi Alan,

Check out the thread that I've started recently, I had very similar
questions.

Marko
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