Hi,
The Snappy team is happy to announce the release 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.
The images are available currently for PC (amd64, i386) and
for Pi2/Pi3 and Dragonboard. These images can be downloaded from:
http://releases.ubuntu.com/ubuntu-core/16/
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@10.0.2.15". However due to the way that the
qemu-kvm user networking behaves, you will actually have to run the
following to ssh into the images:
$ ssh -p 10022 USER@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
into it.
The Pi2/Pi3/Dragonboard image can be written to a sdcard via dd. An
alternative way to write the image is to use "go-dd", e.g. on Ubuntu
16.04:
$ sudo snap install --devmode --beta godd
$ sudo /snap/bin/godd ubuntu-core-16-pi2.img.xz
[this will print a message showing what devices are removable]
$ xzcat ubuntu-core-16-pi2-rc2.img.xz | sudo /snap/bin/godd - /dev/sdXX
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 please create one at:
https://login.ubuntu.com/
(don't forget to add your public ssh keys to that account).
Known issues:
- pi3 wlan can not be initially configured, wired network needs to be
used for the initial setup (you can re-run "sudo console-conf" at
any later point to re-configure the device for wlan only
operation).
Bug references for the pi3 known issues:
- http://pad.lv/1637153
plugging in network cable during configuration can cause a traceback
on pi3
- http://pav.lv/1624322
no wlan0 device at all on first boot on pi3
- http://pad.lv/1632387
wifi setup times out on pi3 devices on first boot
These images follow the "stable" channel. If you find any issues,
please let us know via:
https://bugs.launchpad.net/snappy/
Ubuntu Core 16 follows a rolling release model, security updates and
bug fixes will come to you via regular over the air updates for the
lifetime of the release.
Enjoy this release!
Cheers,
Michael Vogt (on behalf of the Snappy team)
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