Yocto Setup TFTP/NFS: Difference between revisions

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= Running Yocto rootfs on Variscite board using TFTP &amp; NFS  =
= Running Yocto rootfs on Variscite board using TFTP &amp; NFS  =



Revision as of 13:09, 9 October 2018


- Yocto Setup TFTP/NFS

Running Yocto rootfs on Variscite board using TFTP & NFS

Host

Make sure you installed NFS server:

$ sudo apt-get install nfs-kernel-server
$ cd 
$ sudo mkdir rootfs
$ cd rootfs
$ sudo tar xvf  ..//tmp/deploy/images//fsl-image-gui-.tar.gz
$ sudo gedit /etc/exports

Add the following line (change <uname> to the name of user):

/rootfs    *(rw,sync,no_root_squash,no_all_squash,no_subtree_check) 

exit & save

$ sudo /etc/init.d/nfs-kernel-server restart

Make sure you installed TFTP server:

$ sudo apt-get install xinetd tftpd tftp
Verify:
$ ls /usr/sbin/in.tftpd
$ sudo gedit /etc/xinetd.d/tftp
service tftp
{
protocol = udp
port = 69
socket_type = dgram
wait = yes
user = nobody
server = /usr/sbin/in.tftpd
server_args = /tftpboot
disable = no
}
$ sudo mkdir /tftpboot
$ sudo chmod -R 777 /tftpboot
$ sudo /etc/init.d/xinetd restart
$ cd //
$ cp tmp/deploy/images// /tftpboot
$ cp tmp/deploy/images//-imx*.dtb /tftpboot
$ sudo rename 's/-//' /tftpboot/-*.dtb


Target

Make sure you have a serial connection to the target.

Reset and hold the space bar. This will bring you to U-Boot command line.

$ setenv serverip 192.168.1.188
$ setenv nfsroot /rootfs (change <uname> to the name of user)
$ setenv bootcmd run netboot
$ saveenv 

You are all set. Connect Ethernet cable, power cycle the and it should boot over NFS.