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How to: Modify the PXE boot menu to allow the booting of .iso files

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  • G
    Gilou
    last edited by Nov 4, 2013, 10:09 PM

    The thing about booting an ISO, is that you have to transfer the size of the ISO over the wire using tftp… Which can take long. The usual approach to live booting on PXE is to send a smaller image, then have the root mounted off NFS, so that it doesn’t have to wait until everything is loaded to boot.

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    • H
      Haz
      last edited by Apr 1, 2014, 5:55 PM

      Old thread I know but hoping someone can help me here.

      I have edited the PXE boot menu before a few times (all thanks to this guide - thanks a lot ssx ;)) and never had a problem, however on this latest fog server I have set up I cannot seem to get it to work. I can edit the default file fine to display the menu options and also dropped the ISO files into the correct directory, but when ever I select one of them from the menu it only gets so far and then just says “loading boot sector… booting…”. It would appear that fog has found the iso and started to load it, but a problem lies somewhere else maybe? I have tried a few different memdisk versions, and this still happens on various ISOs such as Ultimate boot CD, Dell Diags, WinPE tools etc…

      Any ideas on this would be greatly appreciated 🙂

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      • D
        digitalworkshed
        last edited by Apr 26, 2014, 11:21 AM

        Great tutorial video! Really helped me out! Thanks a lot!

        [URL='http://www.digitalworkshed.com/']iPhone App Developer UK[/URL]

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        • Q
          qUoTuM
          last edited by May 12, 2014, 9:02 AM

          Is there any way i can do this in FOG 1.0.0?
          I looked it up but its kind of different and i cant figure out how to do it.

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          • T
            Tom Elliott
            last edited by May 12, 2014, 10:02 AM

            [quote=“qUoTuM, post: 26870, member: 24126”]Is there any way i can do this in FOG 1.0.0?
            I looked it up but its kind of different and i cant figure out how to do it.[/quote]

            I direct you to a couple of other posts wanting, basically, the same things:
            [url]http://fogproject.org/forum/threads/switching-to-gpxelinux.3995/[/url]
            [url]http://fogproject.org/forum/threads/fog-0-33b-edit-pxe-menu.10403/[/url]

            They both talk about how to add entries under the advanced menu system as many things are rather touchy with the BootMenu directly. That said, so long as there’s information contained in the Advanced menu, changes are likely things will work for your scenario.

            Thank you,

            Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG! Get in contact with me (chat bubble in the top right corner) if you want to join in.

            Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

            Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

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            • Q
              qUoTuM
              last edited by May 12, 2014, 12:41 PM

              Thank you.
              It works, but only if the ISO is in the “www/fog” directory.
              If I create an own directory “www/ISO” and set chmod to 777 it does not work.

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              • J
                Junkhacker Developer
                last edited by May 12, 2014, 1:26 PM

                i keep my ISO files in a separate folder from www/fog, and it works fine and my permissions are set to 644.
                have you tried testing the location you put into the “advanced” menu in a browser? it should ask if you want to download the file.

                signature:
                Junkhacker
                We are here to help you. If you are unresponsive to our questions, don't expect us to be responsive to yours.

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                • Q
                  qUoTuM
                  last edited by May 12, 2014, 1:48 PM

                  Yes i tried testing the location in Chrome/Firefox/IE. I tried setting the permissions to 644 either.
                  I get the following error message: “[SIZE=4][FONT=Times New Roman][COLOR=#000000]The requested URL … was not found on this server.”
                  [/COLOR][/FONT][/SIZE]

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                  • J
                    Junkhacker Developer
                    last edited by May 12, 2014, 2:39 PM

                    if the files are within your web root, and you can’t download them with a browser, then you almost certainly have the URL wrong. keep in mind that anything past the first / is case sensitive

                    signature:
                    Junkhacker
                    We are here to help you. If you are unresponsive to our questions, don't expect us to be responsive to yours.

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                    • Q
                      qUoTuM
                      last edited by May 12, 2014, 3:00 PM

                      Yes I know that. I checked it several times. The URL is not wrong.
                      I will do some more research tomorrow.

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                      • J
                        Junkhacker Developer
                        last edited by May 12, 2014, 3:07 PM

                        if you provide a copy of what you put in your advanced boot options, i can help you troubleshoot it

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                        Junkhacker
                        We are here to help you. If you are unresponsive to our questions, don't expect us to be responsive to yours.

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                        • T
                          Tom Elliott
                          last edited by May 12, 2014, 3:10 PM

                          What is the document root of the server? Is it /var/www or /var/www/html?

                          Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG! Get in contact with me (chat bubble in the top right corner) if you want to join in.

                          Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

                          Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

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                          • Q
                            qUoTuM
                            last edited by May 13, 2014, 7:18 AM

                            Yes, the DocumentRoot is /var/www/html.
                            If I try to post my advanced configuration options it’s marked as spam.

                            EDIT: I changed the DocumentRoot to /var/www and the chmod of my folder to 777. Now it’s working.

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                            • J
                              Juan Antonio
                              last edited by May 22, 2014, 9:58 PM

                              [COLOR=#000080][B][SIZE=4]Sorry for [/SIZE][/B][/COLOR][COLOR=#000080][B][SIZE=4]my ignorance[/SIZE][/B].[/COLOR]o_O

                              What is the file that I have to use.😕
                              In syslinux-6.00.tar.bz2, into the directory memdisk there are many files called memdisk memdisk.:eek:

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                              • J
                                Junkhacker Developer
                                last edited by May 22, 2014, 10:05 PM

                                none of those if you’re using fog 1.0+
                                [url]http://fogproject.org/forum/threads/fog-0-33b-edit-pxe-menu.10403/#post-26420[/url]
                                there is a memdisk file located in <fog-web-root>/service/ipxe/memdisk

                                signature:
                                Junkhacker
                                We are here to help you. If you are unresponsive to our questions, don't expect us to be responsive to yours.

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                                • J
                                  Juan Antonio
                                  last edited by May 22, 2014, 10:19 PM

                                  I´m using fog 0.32. There are memdisk in /tftpboot.
                                  Can I use that file?

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                                  • J
                                    Juan Antonio
                                    last edited by May 26, 2014, 12:34 PM

                                    I´ve used memdisk from /tftpboot and it worked with fog 0.32:)

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