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→Quick start guide
===Target configuration for standalone boot===
Please refer to [[Standalone_boot_(XUELK)|this page]].
===How to update root file system on SD card===
RFS update on SD card consists on expanding the new tarball compressed file on SD card ext3 partition.
It is possible, for example, to perform this operation using one of the following process:
* directly on the target
* using a Linux PC (or the XUELK VM)
The ext3 partition (mmcblk0p2) containing the root file system need to be:
* erased
* written with new rfs files
==== Update rfs on target====
* start SBC Lynx via nfs. See how to boot from nfs [[AXEL_ULite_and_SBC_Lynx_Embedded_Linux_Kit_(XUELK)#Target_configuration_for_the_development_stage_.28net_nfs.29|here]]
* change directory to the ext3 partition into the filesystem: typically <code>/run/media/mmcblk0p2</code>
<pre>
root@sbc-lynx:~# cd /run/media/mmcblk0p2
root@sbc-lynx:/run/media/mmcblk0p2#
</pre>
* delete all previous files
<pre>
root@sbc-lynx:/run/media/mmcblk0p2# rm -r *
</pre>
* extract new rfs files from tarball archive previously copied into nfs directory (the following command assumes that xuelk-1.1.0 rfs have been already copied into VM '''/home/dvdk/lynx/rfs/xuelk/home/root''' nfs directory
<pre>
root@sbc-lynx:/run/media/mmcblk0p2# tar jxvpf /home/dvdk/lynx/rfs/xuelk/home/root/xuelk-1.1.0_lynx-image-gui-sbc-lynx.tar.bz2
</pre>
==== Update rfs on a Linux PC====
* insert the SD card and check its mount point
* change dir to the ext3 SD card partition
* delete previous files and extract new files from tarball archive as described here
==Physical devices mapping==
Please refer to [[Physical_devices_mapping_(XUELK)|this page]].
