Ubuntu Core 16 beta images available

Jim Hodapp jim.hodapp at canonical.com
Thu Sep 15 13:30:42 UTC 2016


On Thu, Sep 15, 2016 at 4:47 AM, Michael Vogt <michael.vogt at canonical.com>
wrote:

> Hi,
>
> a quick followup with some suggestions how to improve the user
> experience when working with the amd64 and pi2 images.
>
> On Wed, Sep 07, 2016 at 11:50:54PM +0200, Michael Vogt wrote:
> [..]
> > The images are bootable, the pc image can be booted directly in
> > qemu-kvm or virtualenv.
>
> Some more details about running the images inside qemu-kvm.
>
> When running the images in qemu-kvm it is helpful to use the "-redir"
> feature of qemu-kvm. E.g.:
>
>     $ kvm -m 1500 -redir tcp:10022::22 ubuntu-core-16-amd64.img
>
> The message from console-conf is a bit misleading in this setup. It
> will say "ssh USER at 10.0.2.15". However due to the way that qemu-kvm
> user networking works, you will actually have to run:
>
>     $ ssh -p 10022 USER at localhost
>
> to ssh into the images. We should probably include it in the
> instructions for images on snapcraft.io.
>

I think this is a great idea. I think it'd be very useful to have this
information on snapcraft.io, or at the very least to start a wiki page with
this info.


>
> > The pi2 image can be written to a sdcard via:
> >
> >     unxz ubuntu-core-16-pc.img.xz
> >     dd if= ubuntu-core-16-pc.img of=/dev/sdXX
> >
> > Where /dev/sdXX is the path of your sd card.
> [..]
>
> An alternative way to write the image is to use "go-dd":
>
>      $ sudo snap install --devmode --beta godd
>      $ sudo /snap/bin/godd ubuntu-core-16-pi2.img
>      [this will print a message what devices are removable]
>
>      $ sudo /snap/bin/godd ubuntu-core-16-pi2.img /dev/sdXX
>
> The advantage of godd is that it will not write to devices that are
> still mounted and that it can help detecting what removable devices
> are available (and it shows a progressbar).
>
> Cheers,
>  Michael
>
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