Ubuntu Core 16 Release Candidate

[Michael Vogt]

Hi,

The Snappy team is happy to announce the Release Candidate of Ubuntu
Core 16.

Ubuntu Core is an operating system entirely based on snaps, including
its foundation. Applications, kernel, core operating system, and
gadget components are all managed as snaps and are installed and
refreshed by snapd, the daemon and tooling responsible for making it
all dance.

Since the previous release:

- Several small bugfixes
- Interface improvements
- Mount sharing fixes
- Assertion improvements

The images are available currently for PC (amd64, i386). The images
for Pi2/Pi3 and Dragonboard will follow shortly and can be found at:

    http://cdimage.ubuntu.com/ubuntu-core/xenial/daily-preinstalled/

Once unpacked, the images are bootable, the PC image can be booted
directly in qemu-kvm, virtualbox or on real hardware. When running the
images in qemu-kvm it is helpful to use the "-redir" feature of
qemu-kvm. E.g.:

    $ kvm -smp 2 -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 behaves, you will actually have to run the following
to ssh into the images:

    $ ssh -p 10022 USER at localhost

or if you have the following snippet in ~/.ssh/config

Host kvm.snappy
     Hostname localhost
     Port 10022
     User USER
     UserKnownHostsFile /dev/null
     StrictHostKeyChecking no

then you can just

    $ ssh kvm.snappy

After booting the image you can enter your Ubuntu One email and it
will automatically create a matching user with the right ssh keys. If
you do not have an Ubuntu SSO account yet you can create one at:

    https://login.ubuntu.com/

(don't forget to add your public ssh keys to that account).

These images follow the "candidate" channel. If you find any issues,
please let us know via:

    https://bugs.launchpad.net/snappy/

Enjoy the fresh images!


Cheers,
 Michael Vogt (on behalf of the Snappy team)

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