sgjava/ubuntu-mini

Ubuntu Mini

Ubuntu Mini is lean and mean Ubuntu for ARM based Mini PCs. I started off like a lot of others by using PicUntu, but I wanted granular control of what packages were installed. You can use the pre-built kernels, build your own or get a kernel elsewhere. This will give you a lot more flexibility for creating customized distributions.

You will need to identify your hardware since even the same brand names may have different chipsets. To be safe ask the vendor before buying if possible (a lot of newer RK3188 devices really have RK3188T CPUs which have problems with various kernels available). I've personally only tested the MK808, MK-802IV with 8188eu/AP6210 and ODROID C1/C1+. In theory, this should work on any ARM device that can boot a Linux kernel and mount the root file system.

You assume all the risks that come with flashing an Android device. It's very painless and hard to screw up, but if you do brick your Mini PC you are on your own!

Requirements
Compatibility matrix for selected RK3066 based devices
Compatibility matrix for selected RK3188 based devices
Supported Network Devices
- Wired ethernet dongles
- WiFi Adapters
Create Ubuntu root filesystem MK808, MK802IV, etc.
Flash kernel
Create Ubuntu root filesystem ODROID-C1/C1+
After you can boot successfully
Build kernel for Linux
Build RK3188 kernels with Marvin
Build kernel for Android
- Build 3.0.8-omegamoon kernel for RK3066 (MK808 or MK808B only)
References
FreeBSD License

Requirements

Ubuntu 14.04 desktop (X86_64 required for ODROID C1/C1+ scripts)
- Add 8 GB hard disk under Storage using Oracle VM VirtualBox Manager in place of an 8 GB SD card
A Mini PC with a Rockchip RK3066 dual core ARM A9 processor. The following are officially supported:
- Ugoos UG802
- MK808 (w/o bluetooth)
- Rikomagic MK802 III (w/o bluetooth)
A Mini PC with a Rockchip RK3188 quad core ARM A9 processor. The following are officially supported:
- Rikomagic MK802-IV
- OEM CX919
- Tronsmart MK908
- iMito QX1
- Tronsmart T428
ODROID C1/C1+ with a quad core ARM Cortex-A5 processor.
A monitor or TV with an available HDMI input (I used a Motorola Lapdock).
An OTG USB cable appropriate for your device.
A MicroSD of at least 4GB in size to hold the linuxroot filesystem.
An Internet connection.

Compatibility matrix for selected RK3066 based devices

Device Name	Manufacturer	Released	NAND flash	Wifi Chipset	Bluetooth Chipset	Special notes
UG802	Ugoos	May, 2012	4 GB	Realtek 8188eus	none	Officially supported
MK808	OEM	Sep, 2012	4-8 GB	Broadcom 4329	none	Officially supported
MK802 III	RikoMagic	Oct, 2012	4-8 GB	Realtek 8188eus	none	Officially supported
Neo G4	Minix	Nov, 2012	8 GB	Realtek 8188eus	none	Not officially supported, but wifi chipset is supported
MK808-B	OEM	Dec, 2012	8 GB	Broadcom 4330	Broadcom 4330
MK808-B “clone”	OEM	Dec, 2012	8 GB	Mediatek MT5931	Mediatek MT6622
MK808-B “Sunvel”	OEM	Jan, 2013	8 GB	Mediatek MT5931	Mediatek MT6622
MK802 IIIB	RikoMagic	Jan, 2013	4-8 GB	Mediatek MT5931	Mediatek MT6622
UG007	Ugoos	Oct, 2012	8 GB	Mediatek MT5931	Mediatek MT6622
MX1/MX2	Imito	Oct, 2012	8 GB	Mediatek MT5931	Mediatek MT6622
Neo X5	Minix	Nov, 2012	16 GB	Broadcom 4330	Broadcom 4330
MK809 II	Kimdescent	Dec, 2012	8 GB	Mediatek MT5931	Mediatek MT6622
B12	Kimdescent	Jan, 2013	8 GB	Mediatek MT5931	Mediatek MT6622	Onboard cam

This is based on Alok Sihna's 3.0.8 kernel

Compatibility matrix for selected RK3188 based devices

Device Name	Manufacturer	Released	NAND flash	Wifi Chipset	Bluetooth Chipset	Special notes
MK802IV	RikoMagic	May, 2013	8 GB	Realtek 8188eus or Broadcom AP6210	Mediatek MT6622	Officially supported
CX919	OEM	Feb, 2013	8 GB	Broadcom AP6330	Broadcom 4330	Officially supported
MK908	Tronsmart	May, 2013	8 GB	Broadcom AP6210	Broadcom 4330	Officially supported
QX1	iMito	May, 2013	8 GB	Realtek 8189ES	RDA5876A	Officially supported
T428	Tronsmart	May, 2013	8 GB	Broadcom AP6330	Broadcom 4330	Officially supported

This is based on Marvin the Paranoid Android Kernel Builder

Supported Network Devices

Note: You will need to look up the adapter you intend to use and see which chipset it is using. Then look at the list below to see if the chipset is included.

Wired ethernet dongles

Asix
DM9601
MCS7830
SMSC75xx
SMSC95xx
ZD1201

WiFi Adapters

Atheros 9000 series adapters
Broadcom 40181 adapters
RALink
- 2500 series
- RT73
- 2800 series
Realtek
- 8188eu
- 8192 series (B/G/N up to 300 MB/sec)
Zydas 1211

This is based on Alok Sihna's 3.0.8 kernel

Create Ubuntu root filesystem MK808, MK802IV, etc.

Install packages
- sudo su -
- apt-get -y install qemu-user-static binfmt-support debootstrap
Format 8 GB disk added to VM guest
- sfdisk -s (note 8 GB device is /dev/sdb)
```
/dev/sda: 104857600
 /dev/sdb:   8388608
 total: 113246208 blocks
```
- fdisk /dev/sdb
```
n
 p
 Enter
 Enter
 Emter
 w
```
- mkfs.ext4 -O ^metadata_csum -L linuxroot /dev/sdb1
Mount partition
- mkdir /mnt/tmp
- mount /dev/sdb1 /mnt/tmp
- rm -rf /mnt/tmp/lost+found
Install Ubuntu
- 14.04
  - qemu-debootstrap --verbose --variant=minbase --arch=armhf --include=nano trusty /mnt/tmp http://ports.ubuntu.com/ubuntu-ports > install.log 2>&1
- tail install.log
  - Check install.log for I: Base system installed successfully.
Make backup of minbase
- tar -pzcf minbase.tar.gz -C /mnt/tmp .
chroot into new rootfs
- mount -t proc proc /mnt/tmp/proc
- mount -t sysfs sysfs /mnt/tmp/sys
- mount -o bind /dev /mnt/tmp/dev
- mount -t devpts devpts /mnt/tmp/dev/pts
- chroot /mnt/tmp

Add apt-sources

nano /etc/apt/sources.list

14.04

deb http://ports.ubuntu.com/ubuntu-ports/ trusty main restricted universe multiverse
  deb-src http://ports.ubuntu.com/ubuntu-ports/ trusty main restricted universe multiverse
  deb http://ports.ubuntu.com/ubuntu-ports/ trusty-updates main restricted universe multiverse
  deb-src http://ports.ubuntu.com/ubuntu-ports/ trusty-updates main restricted universe multiverse
  deb http://ports.ubuntu.com/ubuntu-ports/ trusty-security main restricted universe multiverse
  deb-src http://ports.ubuntu.com/ubuntu-ports/ trusty-security main restricted universe multiverse

apt-get update

Configure language
- apt-get -y install language-pack-en-base
  - Pick your native language pack instead of en if desired
Configure timezone
- dpkg-reconfigure tzdata
  - Select the geographic area in which you live
  - Select the city or region corresponding to your time zone
Add useful packages
- 14.04
  - apt-get -y install sudo isc-dhcp-client udev netbase ifupdown iproute openssh-server iputils-ping wget net-tools wireless-tools wpasupplicant ntpdate ntp less tzdata console-common module-init-tools
    - Country of origin for the keyboard
    - Keyboard layout
    - Select keymap from full list
- apt-get -y upgrade
Configure networking
- MK808
  - echo "bcm40181" >> /etc/modules
- MK802IV with AP6210 wifi
  - echo "rkwifi" >> /etc/modules
- Change module based on chipset for other mini PCs
- echo "ubuntu" > /etc/hostname
- nano /etc/network/interfaces (note device may show up as wlan0)
  - For DHCP
```
auto eth0
  iface eth0 inet dhcp
```
  - For static
```
auto eth0
  iface eth0 inet static
  address 192.168.1.69
  netmask 255.255.255.0
  network 192.168.1.0
  broadcast 192.168.1.255
  gateway 192.168.1.1
  dns-nameservers 192.168.1.1
  wpa-ssid ssid
  wpa-psk password
```
- nano /etc/hosts
  - Add your host
- nano /etc/resolv.conf
  - Change to your DNS server(s)
Add user
- adduser test
- gpasswd -a test sudo
Create linuxroot archive
- exit
- umount /mnt/tmp/{proc,sys,dev/pts,dev,} (This may fail, just reboot)
- rm -rf /mnt/tmp
- mkdir /media/linuxroot
- mount /dev/sdb1 /media/linuxroot
- tar -pzcf linuxroot.tar.gz -C /media/linuxroot .
- umount /media/linuxroot
- rm -rf /media/linuxroot
- exit

Flash kernel

Prepare SD
- sudo mkfs.ext4 -F -O ^metadata_csum -L linuxroot /dev/sdg (assumes SD device is /dev/sdg, always check first)
- sudo tar -pzxf linuxroot.tar.gz -C /media/linuxroot
Pick kernel (or build/download one)
- RK3066
- RK3188
- Extract kernel archive
  - sudo tar -zxf kernel.tar.gz
- Extract modules and firmware (assumes SD mounted as /media/linuxroot)
  - sudo rm -Rf /media/linuxroot/lib/firmware
  - sudo rm -Rf /media/linuxroot/lib/modules
  - sudo tar -pzxf mod-fw.tar.gz -C /
  - sudo chown root:root -R /media/linuxroot/lib/firmware
  - sudo chown root:root -R /media/linuxroot/lib/modules
  - If archive contains firmware in /system
    - sudo chown root:root -R /media/linuxroot/system
  - sync
  - Eject SD card from PC
Flash (assumes you have Finless or other ROM already installed)
- Extract kernels
  - tar -zxvf kernel.tar.gz
- Install RkFlashKit
  - git clone https://github.com/linuxerwang/rkflashkit.git
  - cd rkflashkit
  - ./waf debian
  - sudo apt-get install python-gtk2
  - sudo dpkg -i binaries/rkflashkit_0.1.1_all.deb
- Put mini PC into flash mode (typically use a paper clip press flash mode button and hold while plugging OTG port in to PC USB port)
- sudo rkflashkit
  - NAND Partitions - recovery
  - Erase partition
  - Choose recovery.img file
  - Flash image
Boot
- Place SD in mini PC
- Boot into bootloader (assumes Finless or other ROM capable of bootloader and recovery boots)
  - You can also use terminal in Android and reboot recovery
- Log into Ubuntu
- sudo depmod -a
- sudo reboot
Boot into Linux by default
- For the MK808 and Finless ROM just boot into recovery and from that point forward only Linux will boot
- For MK802-IV or to dual boot the MK808 create a init.d script for Android (ROM must support init.d scripts)
  - Boot into Android
  - Mount /system read/write
    - Click on Terminal
    - su
    - mount -o rw,remount /system
  - Find SD card
    - ls /dev/block
    - You should see something like mmcblk0
  - Create init.d file (replace /dev/block/mmcblk0 with actual block device)
    - cd /etc/init.d
    - touch 99boot_linux
    - echo "#!/system/bin/sh" >> 99boot_linux
    - echo "if [ -b /dev/block/mmcblk0 ]; then" >> 99boot_linux
    - echo "reboot recovery" >> 99boot_linux
    - echo "fi" >> 99boot_linux
    - cat 99boot_linux
    - chmod 777 99boot_linux
    - reboot
    - If SD card is in then Linux boots or else Android boots

Create Ubuntu root filesystem ODROID-C1/C1+

I automated much of Ubuntu Minimal Image by using three scripts. My scripts also configure language, timezone and wireless support (disabled by default). Tested on 01/19/2016.

Download scripts on Ubuntu Desktop 14.04 x86_64 (VM is fine)
- wget https://raw.githubusercontent.com/sgjava/ubuntu-mini/master/odroid-c1/image.sh
- wget https://raw.githubusercontent.com/sgjava/ubuntu-mini/master/odroid-c1/minimal.sh
- wget https://raw.githubusercontent.com/sgjava/ubuntu-mini/master/odroid-c1/finish.sh
- chmod a+x *.sh
Create image file
- export ubuntu=`pwd`
- sudo ./image.sh
Install minimal Ubuntu (this script requires user interaction)
- Once image.sh has completed you should see two Files windows open (boot and target)
- Copy minimal.sh to chroot /root from a new terminal window
  - Pick different language (default is English)
    - Find apt-get -y install language-pack-en-base in minimal.sh and change to desired language pack
  - sudo cp minimal.sh /home/<username>/ubuntu/target/root/.
- chroot
  - cd ubuntu
  - sudo chroot target
  - cd /root
  - chmod a+x minimal.sh
  - ./minimal.sh
    - Geographic area: Select from list
    - Time zone: Select from list
    - Country of origin for the keyboard: Select from list
    - Keyboard layout: Select from list
    - Configuring console-data: <OK>
    - Policy for handling keymaps: Select keymap from full list: <OK>
    - Keymap: Select keymay then <OK>
    - root user: Enter new UNIX password:
    - root user: Retype new UNIX password:
    - test user: Enter new UNIX password:
    - test user: Retype new UNIX password:
    - Full Name []: Test User
    - Room Number []: Press Enter
    - Work Phone []: Press Enter
    - Home Phone []: Press Enter
    - Other []: Press Enter
    - Is the information correct? [Y/n] Press Enter
  - exit
Finish up
- Unmount image file
  - cd ..
  - sudo ./finish.sh
  - If there's a device is busy error try the following:
    - sudo reboot
- Flash image (change sdX to SD card device)
  - Make sure all partitions have been deleted on SD card (use gparted)
  - sudo fdisk -l Find your SD card
  - sudo dd if=image.img of=/dev/sdX bs=1M
  - Eject SD
- boot.ini changes
  - Place SD in PC
  - Edit boot.ini from boot mount
    - I changed the screen resolution to work with my Lapdock
    - For headless server setenv vpu "0" and setenv hdmioutput "0" to save about 140MB RAM. Do this after you can boot successfully and no longer need the display to debug.
- nano /etc/network/interfaces.d/wlan0
  - Configure wlan0 if needed
```
auto wlan0
  iface wlan0 inet static
  address 192.168.1.69
  netmask 255.255.255.0
  gateway 192.168.1.1
  wpa-ssid ssid
  wpa-psk password
```
- nano /etc/hosts
  - Add your host
- nano /etc/resolv.conf
  - Change to your DNS server(s)

After you can boot successfully

If you see Skipping mounting / since Plymouth is not available on RK3066 or RK3188 and your file system is read only, do this one time:
- sudo mount -o remount,rw /
- sudo reboot
RK3066 device CPU temperature in celsius
- cat /sys/module/tsadc/parameters/temp* | cut -d " " -f1,2
ODROID C1/C1+ device CPU temperature in celsius (I had to devide by 1000)
- cat /sys/devices/virtual/thermal/thermal_zone0/temp
ODROID C1/C1+ device CPU frequency
- cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_cur_freq
Install cpufreq
- sudo apt-get install cpufrequtils
- cpufreq-info -o current settings
- cpufreq-info -s list of speeds you can set
- sudo cpufreq-info -w current speed
- sudo cpufreq-set -r --max 1.2GHz maximum frequency
- sudo cpufreq-set -r --min 1.2GHz minimum frequency
ODROID C1/C1+ set CPU frequency on boot
- Disable ondemand governor sudo update-rc.d ondemand disable
- sudo nano /etc/default/cpufrequtils settings on start up (this is for ODROID C1 for example)
  - Add ENABLE="true"
  - Add GOVERNOR="conservative"
  - Add MAX_SPEED=1632000
  - Add MIN_SPEED=96000
If fsck hangs boot process make it automatic
- sudo nano /etc/default/rcS
  - Uncomment FSCKFIX and set to yes
Boot fast
- sudo nano /etc/init/failsafe.conf
  - Comment out all sleep commands

Build kernel for Linux

I had issues with the MK808 and internal wireless network building my own kernels. From various forum postings it looks like others have had success, so all I can say is good luck.

Requirements

Ubuntu 14.04 desktop (I used a VirtualBox VM)

Setting up the build environment

Ubuntu x86_64
- sudo apt-get -y install git-core flex bison build-essential gcc-arm-linux-gnueabihf gcc-arm-linux-gnueabi libncurses5-dev zlib1g-dev lib32z1 lib32ncurses5 sharutils lzop
Ubuntu 32 bit
- sudo apt-get -y install git-core flex bison build-essential gcc-arm-linux-gnueabihf gcc-arm-linux-gnueabi libncurses5-dev zlib1g-dev sharutils lzop

Build 3.0.8-alok kernel for RK3066

Create build dir
- mkdir -p $HOME/src/rk3066/mod_fw
- cd $HOME/src/rk3066
ARM compiler toolchain
- git clone https://github.com/DooMLoRD/android_prebuilt_toolchains.git toolchains
mkbootimg tool (create recovery image)
- git clone https://github.com/olegk0/tools.git
initramfs dir is where the kernel's .config file looks for initramfs.cpio (see CONFIG_INITRAMFS_SOURCE)
- git clone https://github.com/Galland/rk30_linux_initramfs.git initramfs
- cd initramfs
- gzip -dc debian-3.0.8+fkubi.cpio.gz > initramfs.cpio
- cd ..
picuntu-3.0.8-alok kernel source
- git clone https://github.com/aloksinha2001/picuntu-3.0.8-alok.git
- cd picuntu-3.0.8-alok
- nano ../initramfs/config
  - Find CONFIG_BOX_FB and comment out CONFIG_BOX_FB_720P=y uncomment # CONFIG_BOX_FB_480P is not set and change to CONFIG_BOX_FB_480P=y for instance
  - Make any other desired changes
  - Save changes
  - Use make menuconfig if you want to go the more hard core route
- cp ../initramfs/config .config
- export ARCH=arm
- export CROSS_COMPILE=$HOME/src/rk3066/toolchains/arm-eabi-linaro-4.6.2/bin/arm-eabi-
- make -j$(getconf _NPROCESSORS_ONLN)
  - Answer prompts (just press Enter for default value)
  - Don't worry about warnings
Generate the recovery.img to flash the recovery partition of the mini PC
- cd ..
- tools/mkbootimg --kernel picuntu-3.0.8-alok/arch/arm/boot/Image --ramdisk initramfs/fakeramdisk.gz --base 60400000 --pagesize 16384 --ramdiskaddr 62000000 -o recovery.img
Create modules
- cd picuntu-3.0.8-alok
- make modules_install INSTALL_MOD_PATH=$HOME/src/rk3066/mod_fw
Get the firmware files
- cd ..
- wget http://cdn02.arctablet.com/mirrors/picuntu/picuntu-linuxroot-0.9-RC2.2.tgz
- tar -zxvf picuntu-linuxroot-0.9-RC2.2.tgz -C mod_fw ./lib/firmware

Build 3.0.36-galland kernel for RK3066

Create build dir
- mkdir -p $HOME/src/rk3066/mod_fw
- cd $HOME/src/rk3066
mkbootimg tool (create recovery image)
- git clone https://github.com/olegk0/tools.git
initramfs dir is where the kernel's .config file looks for initramfs.cpio (see CONFIG_INITRAMFS_SOURCE)
- git clone https://github.com/Galland/rk30_linux_initramfs.git initramfs
- cd initramfs
- gzip -dc debian-3.0.8+fkubi.cpio.gz > initramfs.cpio
- cd ..
rk3x_kernel_3.0.36 kernel source
- git clone --depth 1 https://github.com/Galland/rk3x_kernel_3.0.36.git
- cd rk3x_kernel_3.0.36
- nano config.galland
  - Find CONFIG_BOX_FB and comment out CONFIG_BOX_FB_720P=y uncomment # CONFIG_BOX_FB_480P is not set and change to CONFIG_BOX_FB_480P=y for instance
  - Make any other desired changes
  - Save changes
  - Use make menuconfig if you want to go the more hard core route
- Create compile script
  - nano build_rk3066
```
#!/bin/bash
  export ARCH=arm
  export CROSS_COMPILE=arm-linux-gnueabihf-
  export LOCALVERSION=
  export INSTALL_MOD_PATH=$HOME/src/rk3066/mod\_fw
  MAKE="make -j$(getconf \_NPROCESSORS\_ONLN)"
  $MAKE clean
  cp config.galland .config
  $MAKE
  rm -rf $INSTALL_MOD_PATH
  $MAKE modules_install
```
- chmod +x build_rk3066
- ./build_rk3066
  - Answer prompts (just press Enter for default value)
  - Don't worry about warnings
Generate the recovery.img to flash the recovery partition of the mini PC
- cd ..
- tools/mkbootimg --kernel rk3x_kernel_3.0.36/arch/arm/boot/Image --ramdisk initramfs/fakeramdisk.gz --base 60400000 --pagesize 16384 --ramdiskaddr 62000000 -o recovery.img

Build RK3188 kernels with Marvin

Get Marvin
- mkdir android
- cd android
- git clone https://github.com/phjanderson/marvin.git
Get RK3188 kernel source tree (pick one)
- Generic (this has limited driver support)
  - git clone https://github.com/phjanderson/Kernel-3188.git
- Minix Neo X7
  - git clone https://github.com/phjanderson/Kernel-3188-X7.git
- PicUntu
  - git clone https://github.com/phjanderson/Linux3188.git (this is what I'll select)
  - For 480P do the following:
    - Get latest kernel source from Alok's site instead of from Marvin project
    - Change the following in Linux3188/drivers/video/rockchip/hdmi/rk_hdmi.h:
    - HDMI_VIDEO_DEFAULT_MODE to HDMI_720x480p_60HZ_4_3 instead of HDMI_1920x1080p_60HZ
    - Add the following to the end of Linux3188/drivers/video/display/screen/lcd_480p.c (it is missing):
```
size_t get_fb_size(void)
{
	size_t size = 0;
	#if defined(CONFIG_THREE_FB_BUFFER)
		size = ((H_VD)*(V_VD)<<2)* 3; //three buffer
	#else
		size = ((H_VD)*(V_VD)<<2)<<1; //two buffer
	#endif
	return ALIGN(size,SZ_1M);
}
```
  - Fix dwc_otg: support non DWORD-aligned buffer for DMA:
    - Extract otg-fix.tar.gz
    - Copy files to Linux3188/drivers/usb/dwc_otg
- Linuxium
  - git clone https://github.com/phjanderson/3188-SRC-AP6210.git
Get initramfs
- git clone https://github.com/Galland/rk30_linux_initramfs.git initramfs
mkbootimg tool (create recovery image)
- git clone https://github.com/olegk0/tools.git
To build kernels, you'll need to have some software installed for cross compiling (only do this once)
- cd marvin
- ./marvin install_builddep
Select platform
- ./marvin platform (to see platforms)
- ./marvin platform picuntu3188 (I'm going to build with PicUntu kernel)
Configure kernel
- ./marvin config (to see options)
- ./marvin config mk802iv_rtl8188eu cpu1608h 720p
Build kernel and modules
- ./marvin build_modules
Generate the recovery.img to flash the recovery partition of the mini PC
- cd ..
- tools/mkbootimg --kernel marvin/platform/picuntu3188/output/kernel_marvin_mk802iv_rtl8188eu/kernel_marvin_mk802iv_rtl8188eu_cpu1608h_720p.img --ramdisk initramfs/fakeramdisk.gz --base 60400000 --pagesize 16384 --ramdiskaddr 62000000 -o recovery.img

Build kernel for Android

Build 3.0.8-omegamoon kernel for RK3066 (MK808 or MK808B only)

Tested with Finless ROM 1.7c
Create build dir
- mkdir -p $HOME/src/rk3066/mod_fw
- cd $HOME/src/rk3066
rockchip-rk30xx-mk808 kernel source
- git clone https://github.com/omegamoon/rockchip-rk30xx-mk808.git
- cd rockchip-rk30xx-mk808
- ./build_mk808_omegamoon_hdmi_720p (or other build script)
Flash kernel (This only works on Ubuntu 32 bit)
- Put mini PC into flash mode (typically use a paper clip press flash mode button and hold while plugging OTG port in to PC USB port)
- ./flash_mk808_omegamoon

References

FreeBSD License

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

sgjava / ubuntu-mini

Ubuntu Mini

Requirements

Compatibility matrix for selected RK3066 based devices

Compatibility matrix for selected RK3188 based devices

Supported Network Devices

Wired ethernet dongles

WiFi Adapters

Create Ubuntu root filesystem MK808, MK802IV, etc.

Flash kernel

Create Ubuntu root filesystem ODROID-C1/C1+

After you can boot successfully

Build kernel for Linux

Requirements

Setting up the build environment

Build 3.0.8-alok kernel for RK3066

Build 3.0.36-galland kernel for RK3066

Build RK3188 kernels with Marvin

Build kernel for Android

Build 3.0.8-omegamoon kernel for RK3066 (MK808 or MK808B only)

References

FreeBSD License

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