PXE(Preboot eXecution Environment) Installation and Configuration
Red Hat Enterprise Linux supports network installation using the NFS, FTP, or HTTP protocols. A network installation can be started from a boot CD-ROM or Red Hat Enterprise Linux CD #1, a bootable flash memory drive. Alternatively, Pre-Execution Environment (PXE) can also be used to install RHEL, if the system to be installed contains a network interface card (NIC) with Pre-Execution Environment (PXE) support. How PXE works: The client's NIC with PXE support sends out a broadcast request for DHCP information and the DHCP server provides the client with an IP address, name server information, the hostname or IP address of the tftp server and the location of the installation files on the tftp server. Basic steps required for preparation of PXE server Configure the network (either NFS or FTP or HTTP) server to export the installation tree. Configure the files on the tftp server necessary for PXE booting. ...