# Ubuntu phone: chroot

# mkdir /home/chroot
# cd /home/chroot
# cat /etc/lsb-release | grep CODENAME
DISTRIB_CODENAME=vivid
# wget http://cdimage.ubuntu.com/ubuntu-touch/vivid/daily-preinstalled/current/vivid-preinstalled-touch-armhf.tar.gz
# tar -zxvf vivid-preinstalled-touch-armhf.tar.gz
# rm vivid-preinstalled-touch-armhf.tar.gz
# cd /
# mount -o bind /dev /home/chroot/dev
# mount -o bind /sys /home/chroot/sys
# mount -o bind /tmp /home/chroot/tmp
# mount -t proc none /home/chroot/proc
# chroot /home/chroot
# export PS1="(chroot) $PS1"
# rm /etc/resolv.conf
# echo 'nameserver 8.8.8.8' > /etc/resolv.conf
# apt update && apt upgrade

# Ubuntu phone: Writeable image and ssh access

$ phablet-config writable-image
$ adb shell
$ sudo su -
# cat /etc/init/ssh.override
manual
exec /usr/sbin/sshd -D
# setprop persist.service.ssh true
# ssh-keygen -A
# service ssh start
# netstat -putan
# reboot

$ ssh phablet@mx4
$ sudo su -
# apt-get update
# apt-get upgrade

# Ubuntu phone: adb (Android Debug Bridge) commands

Architecture

__Phone__                 _______________Host______________
[Daemon]-----<USB/TCP>-----[Server]-----<TCP>-----[Client]
/usr/bin/adbd              /usr/bin/adb -P 5037 fork-server server
                                                  /usr/bin/adb <command>

Commands

$ adb -h
$ adb kill-server
$ adb start-server
$ adb devices -l
$ adb get-state # offline | bootloader | device
$ adb get-serialno
$ adb get-devpath
$ adb status-window # watch 'adb get-state'
$ adb push /local/path /remote/path
$ adb pull /remote/path /local/path
$ adb reboot [bootloader|recovery]
$ adb sync /local/path # if local_file is newer then adb push
$ adb shell [command]

# Ubuntu phone: Image files

$ ubuntu-device-flash query --device=arale --channel=ubuntu-touch/stable/meizu.en --show-image
Device: arale
Description: ubuntu=20150720,device=20150709-8965e37,custom=20150716-819-8-42,version=3
Version: 3
Channel: ubuntu-touch/stable/meizu.en
Files:
 0 https://system-image.ubuntu.com/pool/ubuntu-3f76909df7e5a57984c51d6eb6d56391bef08c637279d7f179cb7bc866b1cbe7.tar.xz 299883524 665847e3b9f79c8179ca4654f1fa47dc678b1aed1565b0925428d11e15fecab6
 1 https://system-image.ubuntu.com/pool/device-9e1719b0b8ad1bb572fbdd49d3e2b7dc6fd382365c0e1b56f4f9d732b656df11.tar.xz 108227112 0622bed0cde446a0cc0fdea0ff131edde225665fb5590a2c744e55b425d37af5
 2 https://system-image.ubuntu.com/pool/custom-a6418398d3c33da55e36ec02b695cdc0bfd45f32fc481d2ff05a1983f866234d.tar.xz 63786376 f8d2459586a0b0518eda9b521a5bc7cb76dbfce18e4677870136e7cc9e86d74b
 3 https://system-image.ubuntu.com/ubuntu-touch/stable/meizu.en/arale/version-3.tar.xz 448 ef14dd19f4e28a2447b37b576961d5e30b8611a212c912ab42c8b4b111e2762b

Metadata   : version.tar.xz
Nexus | BQ | Meizu : custom.tar.xz
Ubuntu   : ubuntu.tar.xz
Nexus 4 | E4.5 | MX4 : device.tar.xz

# Ubuntu phone: ubuntu-device-flash

$ adb devices
$ adb shell grep ro.product.name /system/build.prop
ro.product.name=arale
$ adb shell grep build.id /system/build.prop
ro.build.id=KOT49H
$ adb shell grep ro.product.device /system/build.prop
ro.product.device=arale
$ ubuntu-device-flash query --device=arale --list-channels
$ wget http://people.canonical.com/~alextu/tangxi/recovery/recovery.img
$ adb reboot recovery
$ fastboot flash recovery recovery.img
$ fastboot reboot-bootloader
$ ubuntu-device-flash touch --device=arale --channel=ubuntu-touch/stable/meizu.en --developer-mode --password=1234 --wipe