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    PXE-E32: TFTP open time out on palo alto dhcp server

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    • george1421G
      george1421 Moderator @joanmarzo
      last edited by

      @joanmarzo Sorry about the slow response its been busy here this AM. So you put the static address in before you installed FOG? OK good. You can confirm that the IP address hasn’t changed between the time you installed FOG and now by inspecting the .fogsettings file more < /opt/fog/.fogsettings There is an IP field in there that indicates the IP address when FOG was installed.

      If the IP address hasn’t changed then we might suspect your dhcp server is doing something abnormal. If we follow this thread it looks like we used dnsmasq to make everything work in the end.

      I think in your case since you are using a firewall for a dhcp server and we’ve had issues in the past with firewalls not sending out the right information needed for pxe booting that we go ahead and install dnsmasq on your fog server. In this configuration the dnsmasq program will ONLY supply the pxe booting information all other information will still come from your main dhcp server. The nice thing about this is if you install dnsmasq on your FOG server and then turn off the fog server then all pxe booting will be turned off too.

      If you follow these instructions you will be up and running with dnsmasq on your fog server in about 10 minutes. https://forums.fogproject.org/topic/12796/installing-dnsmasq-on-your-fog-server
      If you have multiple subnets you will need to adjust an existing setting in your subnet router if you want to pxe boot on the subnets where your FOG server is not. Other than dealing with subnets, dnsmasq should just work.

      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!

      J 1 Reply Last reply Reply Quote 0
      • J
        joanmarzo @george1421
        last edited by

        @george1421 cea8d40c-0e07-4284-9a87-659cf73d6a44-image.png

        I do the dnsmasq but the fog doesn’t work, any idea? I paste an screenshot about the ltsp.conf

        george1421G 1 Reply Last reply Reply Quote 0
        • george1421G
          george1421 Moderator @joanmarzo
          last edited by

          @joanmarzo Did you make sure that the dnsmasq service is running? It should appear here with this command ps aux | grep dnsmasq

          It should show you the service name and give you an ip address. If that doesn’t work make sure that you have the linux server firewall turned off. DNSMASQ is a simple tool, it should just work. Your ltsp.conf file looks good. It should just work.

          If it not work then we can do some more deeper debugging. We are not out of options now.

          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!

          J 1 Reply Last reply Reply Quote 0
          • J
            joanmarzo @george1421
            last edited by

            @george1421 said in PXE-E32: TFTP open time out on palo alto dhcp server:

            ps aux | grep dnsmasq

            Yes, the dnsmasq it’s work but I have the same error:( if u want we can do an remote session haha

            3323e285-cc69-410e-ae5e-c1df9d0e90bc-image.png

            george1421G 1 Reply Last reply Reply Quote 0
            • george1421G
              george1421 Moderator @joanmarzo
              last edited by

              @joanmarzo Sorry its not running. Use systemctl enable dnsmasq and then systemctl start dnsmasq to start it. When you do, there will be a second line to the ps command. If it still not running then we need to look at the server log to see what it’s not happy about grep dnsmasq /var/log/messages or grep dnsmasq /var/log/syslog to see of it complains about your ltsp.conf file. I did not see anything wrong with it but I maybe missed something too.

              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!

              J 1 Reply Last reply Reply Quote 0
              • J
                joanmarzo @george1421
                last edited by

                @george1421 said in PXE-E32: TFTP open time out on palo alto dhcp server:

                grep dnsmasq /var/log/messages

                570ce771-4609-41a2-9c95-8448b9719e59-image.png

                I try to initiate the dnsmasq but it doesn’t work

                george1421G 1 Reply Last reply Reply Quote 0
                • george1421G
                  george1421 Moderator @joanmarzo
                  last edited by

                  @joanmarzo Well we know why it not work. So when you install FOG server did you tell it to install dhcp server? For some reason dnsmasq can’t start because dhcp server already is running on the fog server. DNSMASQ failed because it says you have dhcp server already running on this computer.

                  I think you are using ubuntu from the screen shots I see already. The command to stop the dhcp server might be. See if this command will stop the dhcp server running on the fog server. If you have palo alto dhcp server on your network then having 2 dhcp servers will cause problems. systemctl stop isc-dhcp-server then try to start dnsmasq. If it starts OK then you can disable isc dhcp server with this command systemctl disable isc-dhcp-server

                  Once you see dnsmasq running then pxe booting should work.

                  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!

                  J 1 Reply Last reply Reply Quote 0
                  • J
                    joanmarzo @george1421
                    last edited by

                    @george1421 I use Centos7

                    ec7be896-8690-4673-94b8-fe6a50c63c98-image.png

                    george1421G 1 Reply Last reply Reply Quote 0
                    • george1421G
                      george1421 Moderator @joanmarzo
                      last edited by

                      @joanmarzo OK so I’m a bad guesser for operating systems.

                      For Centos you use these commands.

                      systemctl stop dhcpd to stop the dhcp server

                      systemctl disable dhcpd to make it not start on next reboot.

                      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!

                      J 1 Reply Last reply Reply Quote 0
                      • J
                        joanmarzo @george1421
                        last edited by

                        @george1421 said in PXE-E32: TFTP open time out on palo alto dhcp server:

                        systemctl disable dhcpd

                        2a0bbce6-8475-4139-bbdf-4b09d07adfb7-image.png

                        george1421G 1 Reply Last reply Reply Quote 0
                        • george1421G
                          george1421 Moderator @joanmarzo
                          last edited by

                          @joanmarzo looks good now. The ps aux | grep dnsmasq now should give you two lines. That means its running. You will see the line with grep in it, but you should also see a line that starts dnsmasq.

                          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!

                          J 1 Reply Last reply Reply Quote 0
                          • J
                            joanmarzo @george1421
                            last edited by

                            @george1421 said in PXE-E32: TFTP open time out on palo alto dhcp server:

                            ps aux | grep dnsmasq

                            4136853a-d11f-4ca1-9461-dbd42481dad2-image.png yesss

                            george1421G 1 Reply Last reply Reply Quote 0
                            • george1421G
                              george1421 Moderator @joanmarzo
                              last edited by

                              @joanmarzo Bravo! now try to pxe boot.

                              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!

                              J 1 Reply Last reply Reply Quote 0
                              • J
                                joanmarzo @george1421
                                last edited by

                                @george1421 0e6dce0b-716b-4019-86f7-09c37e7b1902-image.png IT’S WORK!!! THANKS A LOT!

                                1 Reply Last reply Reply Quote 1
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