Difference between revisions of "Network File System configuration"
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===Boot from NFS=== | ===Boot from NFS=== | ||
| − | + | * on your Host, expand generated rootfs image to your NFS export dir (for example if your NFS export file is ''/local/export'' on your Host): | |
| − | * | + | [ ]$ sudo tar xvf buildroot/binaries/apf9328/apf9328-rootfs.arm.tar -C /local/export |
| + | * on your target, in U-Boot, set the ''rootpath'' envt variable accordingly: | ||
BIOS> setenv rootpath /local/export | BIOS> setenv rootpath /local/export | ||
* save it: | * save it: | ||
Revision as of 15:38, 4 December 2008
Contents
Introduction
On this page, you will find usefull informations to configure your Host or Target network
NFS server on your development Host
Installation
- On Fedora, NFS is part of your distribution so you normally don't need to install it.
- On Ubuntu/Kubuntu:
$ sudo apt-get install nfs-user-server
or if you prefer:
$ sudo apt-get install nfs-kernel-server
Configuration
/etc/exports
You have to configure the directory where you will store the files you want to share accross the network. For that you have to modify the /etc/exports file (for example):
# Directory for Armadeus: /local/export 192.168.0.0/255.255.0.0(ro,no_root_squash,sync)
(In that case your Host will authorize all client from the subnet 192.168.*.* to access /local/export in read only mode)
Restart of NFS server
- On Fedora:
# /sbin/service nfs restart
Next time you boot, you can check your NFS server status with:
# /sbin/service nfs status
and if not started then:
# /sbin/service nfs start
- On Ubuntu/Kubuntu:
$ sudo /etc/init.d/nfs-user-server restart
or
$ sudo /etc/init.d/nfs-kernel-server restart
Next time you boot, you can check your NFS server status with: System Settings->System services
- On OpenSUSE
# /etc/init.d/nfsserver restart
NFS usage on your Armadeus board
Mount the NFS partition manually
- create a mount point (for example):
# mkdir -p /mnt/host
- mount it (for example):
# mount -t nfs 192.168.0.2:/local/export /mnt/host
If 192.168.0.2 is your Host IP address and /local/export the name of your Host directory you want to mount.
Mount the NFS partition automatically at each boot from FLASH
- be sure to have the latest available software (>=armadeus2.0 or latest SVN)
- login to your Armadeus board as root
- open the /etc/fstab file and add this line:
<host-ip>:/<path-to-shared-folder> /mnt/<path-to-mount-folder> nfs hard,intr,rsize=8192,wsize=8192 0 0
example:
192.168.0.2:/local/export /mnt/host nfs hard,intr,rsize=8192,wsize=8192 0 0
- check your modification:
# mount /mnt/host
- reboot your board
# reboot
- and enjoy the result
# df # ls /mnt/host
When you have a problem, verify that the NFS server is running on the host:
[host] $ /etc/init.d/nfs-kernel-server status
or
[host] $ /sbin/service nfs status
Boot from NFS
- on your Host, expand generated rootfs image to your NFS export dir (for example if your NFS export file is /local/export on your Host):
[ ]$ sudo tar xvf buildroot/binaries/apf9328/apf9328-rootfs.arm.tar -C /local/export
- on your target, in U-Boot, set the rootpath envt variable accordingly:
BIOS> setenv rootpath /local/export
- save it:
BIOS> saveenv
- then boot with:
BIOS> run nfsboot
Summary of the required Packages:
- portmap (buildroot)
- nfs (busybox)
- nfs support (Linux, activated by default in Armadeus configuration)
Troubleshooting:
- 1] If nfsd and mountd daemon are not running on your Host, then you will get a message like:
# mount: RPC: Program not registered
In that case, restart the NFS service on your Host (see above)
- 2] To successfully mount a NFS drive, portmap daemon should be running on your target, if not system will hang during some minutes when you launch the mount !!
To check if portmap is running, look at the running processes:
# ps faux
If portmap is not listed, then launch it manually:
# /etc/init.d/S14portmap
TFTP Server:
- On Ubuntu/Kubuntu:
TFTP Server under Windows:
For those who want to transfer some files from Windows (kernel image / root fs), a small and FREE tftp server is available here: http://tftpd32.jounin.net/
- To copy a file (test.png) from the host (192.168.0.3) to the target use this command:
# tftp -g -r test.png 192.168.0.3
NFS Server under Windows:
For those who want to use the NFS service on Windows, a small and FREE NFS server is available here: http://www.freedownloadscenter.com/Utilities/Misc__Utilities/nfsAxe.html
Links
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