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DNSMASQ setup help

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  • M
    mati-92
    last edited by Aug 18, 2015, 7:27 PM

    good evening all i am wondering whether someone can shed some light on my predicament. i currently have my DHCP setup on my home router and i cannot change it. i have been told to use dnsmasq i have followed this link https://wiki.fogproject.org/wiki/index.php/Using_FOG_with_an_unmodifiable_DHCP_server/_Using_FOG_with_no_DHCP_server#DNSMASQ_settings_for_iPXE

    and still struggle to boot i keep getting access denied at the moment i am using virtualbox to test this out before deploying it on hardware.

    i dont want fog to be a dhcp server or dns server so im wondering what i uncomment in the /etc/dnsmasq.d/itsp.conf and whether there is anything else i am missing out

    thank you in advnace

    1 Reply Last reply Reply Quote 0
    • W
      Wayne Workman
      last edited by Aug 18, 2015, 7:40 PM

      We can help, but we need details to work with.

      Can you provide a copy of your current ltsp.conf file, a screenshot or photo of the error you’re seeing, and the output of this command:

      ls -lahRt /tftpboot
      

      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!
      Daily Clean Installation Results:
      https://fogtesting.fogproject.us/
      FOG Reporting:
      https://fog-external-reporting-results.fogproject.us/

      1 Reply Last reply Reply Quote 0
      • M
        mati-92
        last edited by Wayne Workman Aug 18, 2015, 1:55 PM Aug 18, 2015, 7:44 PM

        this is the file i am using

        # Sample configuration for dnsmasq to function as a proxyDHCP server,
        # enabling LTSP clients to boot when an external, unmodifiable DHCP
        # server is present.
        # The main dnsmasq configuration is in /etc/dnsmasq.conf;
        # the contents of this script are added to the main configuration.
        # You may modify the file to suit your needs.
        
        # Don't function as a DNS server:
        port=0
        
        # Log lots of extra information about DHCP transactions.
        log-dhcp
        
        # Dnsmasq can also function as a TFTP server. You may uninstall
        # tftpd-hpa if you like, and uncomment the next line:
        # enable-tftp
        
        # Set the root directory for files available via FTP.
        tftp-root=/tftpboot
        
        # The boot filename.
        dhcp-boot=pxelinux.0
        
        # rootpath option, for NFS
        dhcp-option=17,/images
        
        # kill multicast
        dhcp-option=vendor:PXEClient,6,2b
        
        # Disable re-use of the DHCP servername and filename fields as extra
        # option space. That's to avoid confusing some old or broken DHCP clients.
        dhcp-no-override
        
        # PXE menu.  The first part is the text displayed to the user.  The second is the timeout, in seconds.
        pxe-prompt="Press F8 for boot menu", 3
        
        # The known types are x86PC, PC98, IA64_EFI, Alpha, Arc_x86,
        # Intel_Lean_Client, IA32_EFI, BC_EFI, Xscale_EFI and X86-64_EFI
        # This option is first and will be the default if there is no input from the user.
        pxe-service=X86PC, "Boot from network", pxelinux
        
        # A boot service type of 0 is special, and will abort the
        # net boot procedure and continue booting from local media.
        pxe-service=X86PC, "Boot from local hard disk", 0
        
        # If an integer boot service type, rather than a basename is given, then the
        # PXE client will search for a suitable boot service for that type on the
        # network. This search may be done by multicast or broadcast, or direct to a
        # server if its IP address is provided.
        # pxe-service=x86PC, "Install windows from RIS server", 1
        
        # This range(s) is for the public interface, where dnsmasq functions
        # as a proxy DHCP server providing boot information but no IP leases.
        # Any ip in the subnet will do, so you may just put your server NIC ip here.
        # Since dnsmasq is not providing true DHCP services, you do not want it
        # handing out IP addresses.  Just put your servers IP address for the interface
        # that is connected to the network on which the FOG clients exist.
        # If this setting is incorrect, the dnsmasq may not start, rendering
        # your proxyDHCP ineffective.
        dhcp-range=192.168.1.10,proxy
        
        # This range(s) is for the private network on 2-NIC servers,
        # where dnsmasq functions as a normal DHCP server, providing IP leases.
        # dhcp-range=192.168.0.20,192.168.0.250,8h
        
        # For static client IPs, and only for the private subnets,
        # you may put entries like this:
        # dhcp-host=00:20:e0:3b:13:af,10.160.31.111,client111,infinite
        

        Mod corrected code box.

        W 1 Reply Last reply Aug 18, 2015, 8:11 PM Reply Quote 0
        • W
          Wayne Workman @mati-92
          last edited by Aug 18, 2015, 8:11 PM

          @mati-92 The first thing that jumps out at me is this line:

          dhcp-boot=pxelinux.0
          

          that should be changed to the boot file you want to use - generally this is undionly.kpxe

          But, I asked for three things and you only provided one. 🙂

          Look at the article link you posted, there’s a bit in there about symbolic links. if you wanted to use undionly.kpxe as your boot file, you need to create a symbolic link to undionly.kpxe.0

          also - if you still get further errors after this - we really need to see a photo of the error and we need to know what changes you’ve made - and we need to see the output of the below command.

          Details, details, details.

          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!
          Daily Clean Installation Results:
          https://fogtesting.fogproject.us/
          FOG Reporting:
          https://fog-external-reporting-results.fogproject.us/

          1 Reply Last reply Reply Quote 1
          • M
            mati-92
            last edited by Aug 18, 2015, 9:11 PM

            @Wayne-Workman said:

            ls -lahRt /tftpboot

            sorry wayne i am having issues with virtual box i will get the rest of the details now.

            1 Reply Last reply Reply Quote 0
            • M
              mati-92
              last edited by Aug 18, 2015, 9:17 PM

              screenshot for wayne.png

              1 Reply Last reply Reply Quote 0
              • M
                mati-92
                last edited by Aug 18, 2015, 9:24 PM

                the error i get from the PXE boot is this

                DHCP (net0 08:00:27:6b:7e:bc)… ok
                net0: 10.0.2.15/255.255.255.0 gw 10.0.0.2
                Next server 10.0.2.4
                Filename: ub2.pxe
                tftp://10.0.2.4/ub2.pxe… permission denied
                no more network devices
                FATAL: could not read from the boot medium! system halted

                W 1 Reply Last reply Aug 18, 2015, 9:39 PM Reply Quote 0
                • W
                  Wayne Workman @mati-92
                  last edited by Aug 18, 2015, 9:39 PM

                  @mati-92 What is 10.0.2.4 ? what is 10.0.0.2 ? What is ub2.pxe ?

                  and

                  do you have a static IP set on your FOG server - and a reservation made on your home network device’s DHCP configuration?

                  What is your FOG server’s IP?

                  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!
                  Daily Clean Installation Results:
                  https://fogtesting.fogproject.us/
                  FOG Reporting:
                  https://fog-external-reporting-results.fogproject.us/

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                  • M
                    mati-92
                    last edited by Aug 18, 2015, 9:42 PM

                    my fog servers IP address is 192.168.0.14 and i have made reservations on the DHCP of my router for that address.

                    W 1 Reply Last reply Aug 18, 2015, 9:46 PM Reply Quote 0
                    • W
                      Wayne Workman @mati-92
                      last edited by Aug 18, 2015, 9:46 PM

                      @mati-92 And the other IPs? Do you have a pre-existing network-boot environment?

                      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!
                      Daily Clean Installation Results:
                      https://fogtesting.fogproject.us/
                      FOG Reporting:
                      https://fog-external-reporting-results.fogproject.us/

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                      • M
                        mati-92
                        last edited by Aug 18, 2015, 9:50 PM

                        i have no idea what the 10.0.0.2 ip addresses are i have had a look in the conf files and i cant see these address in there, could these address be because i am using virtualbox ?i also have no idea what the ub2.pxe my current ip scheme for the entire house is between 192.168.0.1- 192.168.0.255. no pre-existing boot enviroment.

                        W 1 Reply Last reply Aug 18, 2015, 11:13 PM Reply Quote 0
                        • W
                          Wayne Workman @mati-92
                          last edited by Wayne Workman Aug 18, 2015, 5:14 PM Aug 18, 2015, 11:13 PM

                          @mati-92

                          In such case - please try this as your ltsp.conf file:

                          port=0
                          log-dhcp
                          tftp-root=/tftpboot
                          dhcp-boot=undionly.kpxe,192.168.0.14,192.168.0.14
                          dhcp-option=17,/images
                          dhcp-option=vendor:PXEClient,6,2b
                          dhcp-no-override
                          pxe-prompt="Press F8 for boot menu", 3
                          pxe-service=X86PC, “Boot from network”, undionly
                          pxe-service=X86PC, "Boot from local hard disk", 0
                          dhcp-range=192.168.0.14,proxy
                          

                          Then run this command:

                          ln -s /tftpboot/undionly.kpxe /tftpboot/undionly.kpxe.0
                          

                          Then ensure dnsmasq is running like this:

                          sudo service dnsmasq enable
                          sudo service dnsmasq restart
                          

                          See if you can get a status after restarting dnsmasq like this, note any errors:

                          sudo service dnsmasq status
                          

                          For future readers, the last three commands are Ubuntu/Debian specific.

                          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!
                          Daily Clean Installation Results:
                          https://fogtesting.fogproject.us/
                          FOG Reporting:
                          https://fog-external-reporting-results.fogproject.us/

                          1 Reply Last reply Reply Quote 0
                          • M
                            mati-92
                            last edited by Aug 18, 2015, 11:32 PM

                            upload-060cab82-50db-4e14-ac4c-8caca3e0c1a1

                            i got this error

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                            • M
                              mati-92
                              last edited by Aug 18, 2015, 11:35 PM

                              i found the issue with i put a wrong symbol in line 11 im going to test it now

                              1 Reply Last reply Reply Quote 0
                              • M
                                mati-92
                                last edited by Aug 18, 2015, 11:37 PM

                                i ran a test on it and i am still getting that message when trying to boot via pxe

                                W 1 Reply Last reply Aug 18, 2015, 11:39 PM Reply Quote 0
                                • W
                                  Wayne Workman @mati-92
                                  last edited by Aug 18, 2015, 11:39 PM

                                  @mati-92 Check the target computer’s firmware settings. I’ve noticed on some that there are options for network booting that you can set in the firmware itself, such as target server and boot file.

                                  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!
                                  Daily Clean Installation Results:
                                  https://fogtesting.fogproject.us/
                                  FOG Reporting:
                                  https://fog-external-reporting-results.fogproject.us/

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                                  • M
                                    mati-92
                                    last edited by Aug 19, 2015, 12:09 AM

                                    a little bit of progress i set both vm machines to bridge adaptors. i then boot via pxe on the 2nd vm and the following comes up.IMAG0108.jpg

                                    W 1 Reply Last reply Aug 19, 2015, 12:21 AM Reply Quote 0
                                    • W
                                      Wayne Workman @mati-92
                                      last edited by Aug 19, 2015, 12:21 AM

                                      @mati-92 Well if it’s asking for undionly.0 then give that to it lol.

                                      make a sym-link for it:

                                      ln -s /tftpboot/undionly.kpxe /tftpboot/undionly.0
                                      

                                      Good to see progress!

                                      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!
                                      Daily Clean Installation Results:
                                      https://fogtesting.fogproject.us/
                                      FOG Reporting:
                                      https://fog-external-reporting-results.fogproject.us/

                                      1 Reply Last reply Reply Quote 0
                                      • M
                                        mati-92
                                        last edited by Aug 19, 2015, 12:28 AM

                                        upload-0e48878d-6ab2-4060-88ab-d03101c85e4b

                                        W 1 Reply Last reply Aug 19, 2015, 12:33 AM Reply Quote 0
                                        • W
                                          Wayne Workman @mati-92
                                          last edited by Aug 19, 2015, 12:33 AM

                                          @mati-92 Can you post your current ltsp.conf file and then the output of this command again, please?

                                          ls -lahRt /tftpboot
                                          

                                          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!
                                          Daily Clean Installation Results:
                                          https://fogtesting.fogproject.us/
                                          FOG Reporting:
                                          https://fog-external-reporting-results.fogproject.us/

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