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Changing IP Address

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  • M
    Mat Holland
    last edited by Aug 1, 2012, 3:31 PM

    What do I have to do to change the IP address on my fog server. I am getting ready to switch it over to another subnet. How do I do this without having to reinstall FOG?

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    • C
      chad-bisd Moderator
      last edited by Aug 1, 2012, 3:52 PM

      You just need to search the wiki. There is an article for changing the IP address of the FOG server that shows all the places you need to edit. WIKI link in my signature. Search for keyword “address” since “ip” is too short to return any results.


      If you would like to make a donation to the Fog project, please do so [U][COLOR=#0000ff][URL='http://sourceforge.net/dona…

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      • M
        Mat Holland
        last edited by Aug 1, 2012, 5:02 PM

        I have changed those but computers do not find the FOG server when I try to PXE boot. Fog management webpage is accessible.

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        • C
          chad-bisd Moderator
          last edited by Aug 1, 2012, 5:03 PM

          Did you update dhcp configuration, either on the external DHCP server/device or on the FOG server if it’s doing DHCP?


          If you would like to make a donation to the Fog project, please do so [U][COLOR=#0000ff][URL='http://sourceforge.net/dona…

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          • C
            chad-bisd Moderator
            last edited by Aug 1, 2012, 5:04 PM

            Also, try accessing the fog management web page using the new IP address instead of the name, in case DNS is not updated yet.


            If you would like to make a donation to the Fog project, please do so [U][COLOR=#0000ff][URL='http://sourceforge.net/dona…

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            • M
              Mat Holland
              last edited by Aug 1, 2012, 5:15 PM

              I accessed the fog management through its new IP. I edited the dhcpd.conf, however in the Wiki, it only says to change Next-Server

              Underneath I have
              subnet 212.95.81.0 netmask 255.255.255.0 {
              option subnet-mask 255.255.255.0;
              range dynamic-bootp 212.95.81.10 212.95.81.254;
              default-lease-time 21600;
              max-lease-time 43200;
              option domain-name-servers 212.95.4.31;
              option routers 10.255.255.1;
              filename “pxelinux.0”;
              }

              which has settings of the old IP Address. I will try changing that to reflect the IP address change and give that a whirl and post back.

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              • M
                Mat Holland
                last edited by Aug 1, 2012, 5:22 PM

                still no go 😕

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                • C
                  chad-bisd Moderator
                  last edited by Aug 1, 2012, 5:25 PM

                  did you restart dhcpd after you updated the config file? Did you update DNS with the new IP for the fog host name?


                  If you would like to make a donation to the Fog project, please do so [U][COLOR=#0000ff][URL='http://sourceforge.net/dona…

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                  • M
                    Mat Holland
                    last edited by Aug 1, 2012, 5:47 PM

                    I restarted the server after making the appropiate changes…I have updated the DNS and I can ping by hostname and resolve the correct IP address of the FOG server. My FOG server is supposed to act as the DHCP server, so I am assuming that it is in the config somewhere.

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                    • M
                      Mat Holland
                      last edited by Aug 1, 2012, 7:02 PM

                      NVM, Thanks for the help, I got it! It did require a restart of the service, and not just a server restart.

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                      • M
                        Mat Holland
                        last edited by Apr 12, 2013, 7:35 PM

                        Ugh! Had to change the IP address of the FOG server again. Not sure whats going on. I changed everything in the FOG WebUI, and changed the tftpboot/pxelinux.cfg/default, and changed /etc/dhcpd.conf and restarted the service…I can connect to the WebUI, ping the FOG server, but when I try to PXE, it does not find the FOG server.

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                        • M
                          Mat Holland
                          last edited by Apr 15, 2013, 4:55 PM

                          Nevermind…I made a wrong change in the dhcpd.conf.

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