2017년 8월 25일 금요일

Dual booting android and Ubuntu on ODROID-XU4

I made dual booting image for ODROID-C2.
https://codewalkerster.blogspot.kr/2016/03/dual-booting-android-and-ubuntu-on.html

We will make dual booting image for ODROID-XU3/4.

It is recommended to use a storage device of 16Gbyte or more.

Make bootable android media(eMMC or SD).

https://wiki.odroid.com/odroid-xu4/os_images/android/v5.4

Add "VFAT" to label of fat32 partition.



Download ODROID-XU3/4 Ubuntu Image.

https://wiki.odroid.com/odroid-xu4/os_images/linux/ubuntu_4.9/20170824



Copy rootfs and boot partition of ODROID-XU3/4 Ubuntu to your desktop Ubuntu.


mount disk wrote ODROID-XU3/4 Ubuntu image on your desktop PC.




$ mount
...
/.../ubuntu-16.04.3-4.9-mate* on /media/codewalker/boot type vfat (ro,nosuid,nodev,uid=1000,gid=1000,shortname=mixed,dmask=0077,utf8=1,showexec,flush,uhelper=udisks2)
/.../ubuntu-16.04.3-4.9-mate* on /media/codewalker/rootfs type ext4 (ro,nosuid,nodev,uhelper=udisks2)


$ mkdir dual
$ cd dual
$ mkdir boot
$ sudo cp -a /media/username/boot/* boot/
$ mkdir rootfs
$ sudo cp -a /media/username/rootfs/* rootfs/


Unmount ubuntu disk image.


Delete rootfs/aafirstboot

$ rm -rf rootfs/aafirstboot

Edit rootfs/etc/fstab

$ sudo vi rootfs/etc/fstab
LABEL=VFAT /media/boot vfat defaults,rw,owner,flush,umask=000 0 0

Chagne userdata partition UUID.

- Insert disk wrote android image on your desktop PC and unmount /dev/sdX3.
$ sudo umount /dev/sdX3
$ cat rootfs/etc/fstab 
LABEL=VFAT /media/boot vfat defaults,rw,owner,flush,umask=000 0 0

UUID=e139ce78-9841-40fe-8823-96a304a09859 / ext4 errors=remount-ro,noatime 0 1

$ sudo tune2fs /dev/sdX3 -U e139ce78-9841-40fe-8823-96a304a09859

Copy ODROID-XU3/4 Ubuntu files to android disk.

$ mv /media/username/VFAT/boot. ini  /media/username/VFAT/boot. ini.android
$ cp boot/* /media/username/VFAT/
$ sudo cp rootfs/* /media/username/e139ce78-9841-40fe-8823-96a304a09859/ -a
$ sync

Make script to change OS.

in Ubuntu
$ vi boot_android.sh
------------------------------------------------------------------------
#!/bin/bash
sudo mv /media/boot/boot.ini /media/boot/boot.ini.ubuntu
sudo mv /media/boot/boot.ini.android /media/boot/boot.ini
sudo reboot
------------------------------------------------------------------------
#chmod +x boot_android.sh


in Adnroid
$ su
# mount -o rw,remount /
# vi /system/bin/boot_ubuntu.sh
------------------------------------------------------------------------
#!/bin/sh
mv /storage/internal/boot.ini /storage/internal/boot.ini.android
mv /storage/internal/boot.ini.ubuntu /storage/internal/boot.ini
reboot
------------------------------------------------------------------------
# chmod 777 /system/bin/boot_ubuntu.sh
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