Following this developer.ubuntu.com guide I flashed my Nexus 7 via # ubuntu-device-flash --channel=trusty --bootstrap, got this [1] output, but after rebooting the following from the Install Ubuntu section doesn't happen here:
Then, the parts of the images are deployed to the device. Ubuntu is deployed to the devices as a “recovery” image. Then, the device boots from the recovery image and installs Ubuntu as the normal OS. Finally, the device boots into Ubuntu for devices.
It only boots into the normal bootloader, and Ubuntu is only present when I select "Recovery mode". This menu has an "-install zip" option where I guess I must continue, but I can not find out where I would find the relevant zip-file or how to apply it exactly. I can see the device though and use adb .. to reboot or start a shell.
1:
# ubuntu-device-flash --channel=trusty --bootstrap
2014/08/10 22:23:41 Expecting the device to be in the bootloader... waiting
2014/08/10 22:23:42 Device is |grouper|
2014/08/10 22:23:42 Flashing version 294 from trusty channel and server https://system-image.ubuntu.com to device grouper
/root/.cache/ubuntuimages/ubuntu-touch/trusty/grouper/version-294.tar.xz
/root/.cache/ubuntuimages/gpg/image-signing.tar.xz
/root/.cache/ubuntuimages/gpg/image-master.tar.xz
/root/.cache/ubuntuimages/pool/device-08c13901d732c4ff24c342fd62f949ef4d92dbfe4bbdd9b3aee5df327619d30b.tar.xz
2014/08/10 22:24:17 Start pushing /root/.cache/ubuntuimages/ubuntu-touch/trusty/grouper/version-294.tar.xz to device
2014/08/10 22:24:17 Start pushing /root/.cache/ubuntuimages/gpg/image-signing.tar.xz to device
2014/08/10 22:24:17 Start pushing /root/.cache/ubuntuimages/gpg/image-master.tar.xz to device
2014/08/10 22:24:17 Start pushing /root/.cache/ubuntuimages/pool/device-08c13901d732c4ff24c342fd62f949ef4d92dbfe4bbdd9b3aee5df327619d30b.tar.xz to device
2014/08/10 22:24:17 Start pushing /root/.cache/ubuntuimages/pool/ubuntu-035dbe1b5088d07d386c1c6a7833c029ae1ac5ab2e3b1a86a1a3571f2566362c.tar.xz to device
2014/08/10 22:24:17 Done pushing /root/.cache/ubuntuimages/ubuntu-touch/trusty/grouper/version-294.tar.xz to device
2014/08/10 22:24:17 Done pushing /root/.cache/ubuntuimages/gpg/image-signing.tar.xz to device
2014/08/10 22:24:17 Done pushing /root/.cache/ubuntuimages/gpg/image-master.tar.xz to device
2014/08/10 22:25:12 Done pushing /root/.cache/ubuntuimages/pool/device-08c13901d732c4ff24c342fd62f949ef4d92dbfe4bbdd9b3aee5df327619d30b.tar.xz to device
2014/08/10 22:29:01 Done pushing /root/.cache/ubuntuimages/pool/ubuntu-035dbe1b5088d07d386c1c6a7833c029ae1ac5ab2e3b1a86a1a3571f2566362c.tar.xz to device
2014/08/10 22:29:01 Created ubuntu_command: /root/.cache/ubuntuimages/ubuntu_commands037385836
2014/08/10 22:29:01 Rebooting into recovery to flash
