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pxechaining [2010/06/25 08:56]
pxechaining [2010/07/14 13:09] (current)
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     # host part, a VM that will be booted from network     # host part, a VM that will be booted from network
     # 00:0C:29 - the MAC part of VMware vendor - we are booting a VM     # 00:0C:29 - the MAC part of VMware vendor - we are booting a VM
-    dhcp-host=00:​0c:​29:​aa:​bb:​cc,​gPXE-client,​net:​gPXE-PCnet32,​,​10m +    ​# here we chainload gPXE 
-    dhcp-boot=net:​gPXE-PCnet32,​undionly.kpxe+    ​dhcp-host=00:​0c:​29:​aa:​bb:​cc,​gPXE-client,​net:​gPXE-testVM,​,​10m 
 +    dhcp-boot=net:​gPXE-testVM,​undionly.kpxe 
 +    # for a gPXE enabled client we are asking him to boot from a image located at an URL. The image can be a gPXE script
     dhcp-userclass=gPXE-booted,"​gPXE"​     dhcp-userclass=gPXE-booted,"​gPXE"​
     dhcp-boot=net:​gPXE-booted,​http://​my.web.server/​real_boot_script.php     dhcp-boot=net:​gPXE-booted,​http://​my.web.server/​real_boot_script.php
 The file undionly.kpxe is located in the /tftproot/ folder. The file undionly.kpxe is located in the /tftproot/ folder.
 +To build undionly.kpxe run:
 +    wget http://​kernel.org/​pub/​software/​utils/​boot/​gpxe/​gpxe-1.0.1.tar.bz2
 +    tar jxf gpxe-1.0.1.tar.bz2
 +    cd gpxe-1.0.1/​src
 +    make DEBUG=http,​iscsi,​tftp,​dhcp bin/​undionly.kpxe&&​sudo cp bin/​undionly.kpxe /​tftproot/​undionly.kpxe
 +==== Using pxelinux, menu.c32 and dnsmasq to chainload gPXE ====
 +If you want to test gPXE but you are using extensively pxelinux and you do not want to break the rest of your configuration,​ you can add a menu entry to load gPXE.
 +The ''/​etc/​dnsmasq.conf''​ should contain something like:
 +    #DHCP
 +    domain=mydomain
 +    dhcp-range=,​,​,​30m
 +    dhcp-option=option:​router,​
 +    dhcp-authoritative
 +    ​
 +    # TFTP part
 +    enable-tftp
 +    tftp-root=/​tftproot
 +    ​
 +    # PXE
 +    dhcp-boot=/​tftproot/​pxelinux.0
 +    # required by old versions of gPXE (e.g. the one that comes with OracleVM)
 +    dhcp-no-override
 +The ''/​tftproot/​pxelinux.cfg/​default''​ should contain:
 +    DEFAULT menu.c32
 +    PROMPT 1
 +    ​
 +    LABEL gpxe
 +    MENU LABEL gPXE - chainload gPXE from a PXE capable NIC
 +    KERNEL undionly.0
 +On an Ubuntu system install ''​syslinux''​ package and make ''/​tftproot/​pxelinux.0''​ symlink to ''/​usr/​lib/​syslinux/​pxelinux.0''​.
 +The file ''/​tftproot/​undionly.0''​ is a symlink to ''/​tftproot/​undionly.kpxe''​.
 ==== Using the Windows DHCP server ==== ==== Using the Windows DHCP server ====

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