制作Ubuntu ARM Rootfs

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ubuntu

构建一个arm64 AArch64的Ubuntu rootfs，

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下载ubuntu 16.04.4 base rootfs，

$ ls -l /usr/share/X11/xorg.conf.d/
total 36
-rw-r--r-- 1 root root   92 Jun 14  2018 10-amdgpu.conf
-rw-r--r-- 1 root root 1099 Jul  6  2017 10-evdev.conf
-rw-r--r-- 1 root root 1350 Nov 30 11:47 10-quirks.conf
-rw-r--r-- 1 root root   92 Jun 14  2018 10-radeon.conf
-rw-r--r-- 1 root root  590 Jul  6  2017 11-evdev-quirks.conf
-rw-r--r-- 1 root root  364 Jul  6  2017 11-evdev-trackpoint.conf
-rw-r--r-- 1 root root  590 Jul  6  2017 51-synaptics-quirks.conf
-rw-r--r-- 1 root root 1751 Jul  6  2017 70-synaptics.conf
-rw-r--r-- 1 root root 2747 Jul  6  2017 70-wacom.conf
$ cat /var/log/Xorg.0.log

$ ls -l /usr/lib/xorg/modules/drivers
total 3056
-rw-r--r-- 1 root root  144424 Jun 14  2018 amdgpu_drv.so
-rw-r--r-- 1 root root   10472 Jun 14  2018 ati_drv.so
-rw-r--r-- 1 root root   23624 Jul  6  2017 fbdev_drv.so
-rw-r--r-- 1 root root 1727856 Jun 14  2018 intel_drv.so
-rw-r--r-- 1 root root   90432 Nov 30 11:47 modesetting_drv.so
-rw-r--r-- 1 root root  221200 Jan 29  2018 nouveau_drv.so
-rw-r--r-- 1 root root  180912 Jul  6  2017 qxl_drv.so
-rw-r--r-- 1 root root  510184 Jun 14  2018 radeon_drv.so
-rw-r--r-- 1 root root   27760 Jul  6  2017 vesa_drv.so
-rw-r--r-- 1 root root  170008 Jul  6  2017 vmware_drv.so

Then you can start to get packages. Lubuntu-desktop is a lightweight desktop. Other options could be lubuntu-core, xubuntu-desktop, etc. Getting lubuntu-desktop installed takes a few hours. (This is why we don’t want the Xylon IP timing out on us while installation is happening).
apt-get update
apt-get lubuntu-desktop
After the installation is complete, use the “reboot” command to reboot. You should come back up to the login prompt. You can log in as user linaro (password linaro).
http://releases.linaro.org/14.10/ubuntu/trusty-images/developer/