View source for IoTGateway/BSP/Linux/iMX6/How To Update Ubuntu/Debian Rootfs

== Update Ubuntu/Debian Rootfs on Your Device ==

=== Update your device(EMMC) ===

*Your Device is Yocto version
*Prepare the SD Card Linux Image(Yocto version)
*Prepare the Ubuntu /Debian rootfs

=== Prepare the Ubuntu /Debian rootfs ===

Ubuntu Rootfs Name&nbsp;: u1404-rootfs-armhf.tgz Debian Rootfs Name&nbsp;: rootfs.tar.bz2

=== Update your device(EMMC) ===

*System Boot up form SD card.
*Check your EMMC the partition number.
*Remove your yocto rootfs form your device(EMMC).

(Check your EMMC rootfs) (If your EMMC partition rootfs is mmcblk0p2)
<syntaxhighlight lang="bash">
rm -rf /dev/mmcblk0p2/*
</syntaxhighlight>
*Copy the Ubuntu/Debian Rootfs to your device partition.


<syntaxhighlight lang="bash">
mkdir /temp
mount /dev/sda1 /temp
cp -a /temp/u1404-rootfs-armhf.tgz /dev/mmcblk0p2
cd /dev/mmcblk0p2
tar zxvf u1404-rootfs-armhf.tgz
rm -rf u1404-rootfs-armhf.tgz
</syntaxhighlight>


== Ubuntu rootfs LXDE versioin ==

LXDE (abbreviation for Lightweight X11 Desktop Environment) is a free desktop environment with comparatively low resource requirements.

[[File:LXDE2.png|400px|LXDE2.png]]

== modules & firmware ==

Copy the modules.tgz to /lib/modules.

Depending on chosen kernel, please copy/install proper modules $ROOTFS/lib/modules.

Depending the official build version&nbsp;:

For example&nbsp;: 4411A1LIV8210 Check your lib module path

:[[File:Module.jpg|400px|Module.jpg]]

Load module
<syntaxhighlight lang="bash">
depmod -a 4.1.15-official_build_version
sync
</syntaxhighlight>If you already insert module, please send command "lsmod" and check it.
:[[File:Depmod.jpg|400px|Depmod.jpg]]

Check your load module

:[[File:Lsmod.jpg|400px|Lsmod.jpg]]

Depending on chosen kernel, please copy/install firmware $ROOTFS/lib/firmwware.