Configuring The Nfs Server; Finish Configuring The Diskless Environment - Red Hat ENTERPRISE LINUX 3 System Administration Manual

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15.2. Configuring the DHCP Server
If a DHCP server does not already exist on the network, configure one. Refer to
Chapter 25 Dynamic Host Configuration Protocol (DHCP) for details. Make sure the configuration
file contains the following so PXE booting is enabled for systems that support it:
allow booting;
allow bootp;
class "pxeclients" {
match if substring(option vendor-class-identifier, 0, 9) = "PXEClient";
next-server server-ip
<
filename "linux-install/pxelinux.0";
}
The IP address that follows the
15.3. Configuring the NFS Server
The shared read-only part of the operating system is shared via NFS.
Configure the NFS to export the
. For example:
/etc/exports
/diskless/i386/RHEL3-AS/root/
/diskless/i386/RHEL3-AS/snapshot/ *(rw,sync,no_root_squash)
Replace with one of the hostname formats discussed in Section 23.3.2 Hostname Formats. Make
*
the hostname declaration as specific as possible so unwanted systems can not access the NFS mount.
If the NFS service is not running, start it:
service nfs start
If the NFS service is already running, reload the configuration file:
service nfs reload
15.4. Finish Configuring the Diskless Environment
To use the graphical version of the Network Booting Tool, you must be running the X Window
System, have root privileges, and have the
start the Network Booting Tool from the desktop, go to the Main Menu Button (on the Panel)
=> System Settings => Server Settings => Network Booting Service. Or, type the command
redhat-config-netboot
If starting the Network Booting Tool for the first time, select Diskless from the First Time Druid.
Otherwise, select Configure => Diskless from the pull-down menu, and then click Add.
A wizard appears to step you through the process:
1. Click Forward on the first page.
2. On the Diskless Identifier page, enter a Name and Description for the diskless environment.
Click Forward.
3. Enter the IP
Section 15.3 Configuring the NFS Server as well as the directory exported as the diskless
environment. Click Forward.
;
>
next-server
root/
*(ro,sync,no_root_squash)
redhat-config-netboot
at a shell prompt (for example, in an XTerm or a GNOME terminal).
address or domain
Chapter 15. Diskless Environments
option should be the IP address of the
and directories by adding them to
snapshot/
name of the
tftp
RPM package installed. To
NFS server configured
server.
in