SBE HighWire HW400c/2 User Manual

HighWire HW400c/2 User Reference Guide Rev 1.0

The parenthesized access privilege values shown in the previous example should be
sufficient. These access privileges specify that the target system at the specified IP

dress will have read/write access to the exported file system, and that the user ID

ID) of the root user on the target system will not be prevented from writing or

mod

FS mounted file system.

fter adding appropriate entries to the /etc/exports file on the host system, you

will then need to restart (or start) the NFS daemon on your host system, which can
usually be accomplished by using the following commands:

# /etc/rc.d/init.d/nfslock restart

# /etc/rc.d/init.d/nfs stop

# /etc/rc.d/init.d/nfs start

nfs restart

rpc.mountd

ther than the mountd and nfsd daemons.

S, see the following:

• The NFS FAQ at http://nfs.sourceforge.net/

• The NFS HOWTO at http://nfs.sourceforge.net/nfs-howto/

5.4.3 Configurin

requires that a TFTP

server be available on the system on which you are hosting the Gentoo Linux kernel.

n m

part of a network-

w to

ain a binary

g tftpd.

TFTP

work service in order to determine the network ports that it

hould use. You must be root to edit this file. Entries in this file are commented out if

ey are preceded with a hash-mark (#) in the file - to activate them, use your favorite

ad
(U

ifying files in the N

You should separately start and stop the NFS service rather than simply restarting it
because the

only restarts the

wrapper service,

The commands shown in the previous listing are for a Red Hat Linux system running on the Host. If you
are using another Linux distribution such as Mandrake, Debian, or others, the commands to start, stop,
or restart the NFS lock and mount daemons may be different.

For more information about NF

g Host tftp services

One of the ways the SBE HW400c/2 boots is by using the Trivial File Transfer
Protocol (TFTP) to download a kernel image to the board. This

ost modern Linux systems, the TFTP server is installed as a

capable system installation, but is usually deactivated. This section explains ho
activate the TFTP server on your Linux system and how to copy the Gentoo Linux
kernel into the area from which the TFTP server can deliver the kernel to the
HW400c/2.

not availab

If a TFTP server is

le on your Linux distribution or installed system, you can obt

version for most Linux distributions from http://www.rpmfind.net/ by searching for the strin

Before configuring the TFTP daemon itself, make sure that the entries for the
protocol are not commented out in the /etc/services file. This file is typically
consulted by each net
s
th

October 10, 2006

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