https://becomwiki.live.md-websolutions.com/index.php?action=history&feed=atom&title=Network_and_NFS_setupNetwork and NFS setup - Versionsgeschichte2026-05-13T14:10:02ZVersionsgeschichte dieser Seite in BECOM Systems SupportMediaWiki 1.43.5https://becomwiki.live.md-websolutions.com/index.php?title=Network_and_NFS_setup&diff=318&oldid=prevPeter: 1 Version importiert2023-10-31T08:03:09Z<p>1 Version importiert</p>
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</td></tr></table>Peterhttps://becomwiki.live.md-websolutions.com/index.php?title=Network_and_NFS_setup&diff=317&oldid=preven>Peter: 1 Version importiert2023-08-22T19:35:52Z<p>1 Version importiert</p>
<p><b>Neue Seite</b></p><div>= Set up an NFS root file system =<br />
<br />
During development, it is very common and practical to have the target mount its root file system via NFS. Therefore, you need an NFS server installed (see [[NFS Server|here]] how to do it).<br />
<br />
We have already prepared a little shell script that should do the work for you: In the ''btmxc'' repository, look for one of these files:<br />
prepare_nfs_zImage.sh<br />
scripts/rootfs_unpack.sh<br />
<br />
What the script does:<br />
*Unpacks the ''.tar.bz2'' image file to ''oe/btmxc/tmp/deploy/glibc/images/[machine]/rootfs'' (and deletes an old image from there!)<br />
*Edits the file ''/etc/network/interfaces'' from the rootfs and disables configuration of the ''eth0'' interface<br />
*Copies the zImage from ''oe/btmxc/tmp/deploy/glibc/images/[machine]/'' to ''/tftpboot''<br />
*Restarts the NFS server for the changes to take effect<br />
<br />
Simply execute this file (''./prepare_nfs_zImage'' or ''scripts/rootfs_unpack.sh'' respectively) to prepare the root file system for NFS. The script will tell you if arguments are needed. Please note that you have to source the ''oeenv'' file beforehand, but usually, you will already have done that.<br />
<br />
In your ''/tftpboot'', you should have a symbolic link to the newly created ''rootfs'' directory. We explain that [[NFS Server|here]].<br />
<br />
= Target network setup =<br />
Network setup is configured in the file ''/etc/network/interfaces'' in your rootfs. The default network setup for Ethernet (eth0) is set to DHCP:<br />
auto eth0<br />
iface eth0 inet dhcp<br />
<br />
To set a fixed IP address, you may modify the lines above as follows:<br />
auto eth0<br />
iface eth0 inet static<br />
address 192.168.0.53<br />
netmask 255.255.255.0<br />
gateway 192.168.0.1<br />
broadcast 192.168.0.255<br />
<br />
'''IMPORTANT!''' If you are mounting the rootfs via NFS, you '''MUST NOT''' configure ''eth0'' at all in the configuration file, so comment the lines<br />
#auto eth0<br />
#iface eth0 inet dhcp<br />
The reason is that the Linux kernel - in case of NFS - must configure the network before this file can even be read. This is done via kernel arguments (see ''Loading Linux:'' in the<br />
Redboot [[Redboot short reference|short reference]]). If the network would be configured later again, the connection to the NFS server is interrupted! <br />
<br />
[[Category:i.MX]]</div>en>Peter