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FOG 33b - installation - HP Elite 8300 SFF

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FOG Problems
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  • B
    BPSTravis Developer
    last edited by Apr 17, 2014, 12:15 PM

    That would depend on your device. As for finding the options, again… google searches will save your life…

    We don’t mind helping out but you need to start searching for the basic info you are looking for especially when it’s related to your own hardware.

    [SIZE=12px]signature:[/SIZE]
    [QUOTE]I think I know things, but I really don't. You shouldn't follow any advice I give. - BPSTravis[/QUOTE]

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    • A
      Alistair
      last edited by Apr 17, 2014, 12:23 PM

      [I]We don’t mind helping out but you need to start searching for the basic info you are looking for especially when it’s related to your own hardware. [/I]

      Absolutely.

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      • A
        Alistair
        last edited by Apr 17, 2014, 1:40 PM

        The Cisco switch says: By default, all Multicast frames are flooded to all ports of the VLAN

        Palo Alto - have not found any relevant info. The guy that helps me with the PaloAlto is uncontactable.

        One thing is clear here - everything is in 1 broadcast domain, so it’s unlikely that multicasting has been filtered.

        I’m stuck.

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        • J
          Jaymes Driver Developer
          last edited by Apr 17, 2014, 4:40 PM

          I think you are chasing a ghost in the machines. You need to concentrate on a single issue and solve it before moving forward. And I doubt the firewall is the issue. The firewalls position is between your network and the world to act as a bouncer. Your fog server doesn’t send information to the world to come back to the network, it sits on the network and sends information on the local network ONLY, if your fog server is being passed through your firewall, something is wrong. Therefore it is highly unlikely that the firewall would cause the issue. NOW there could be a firewall installed in linux that could cause some issues, but I don’t think that pertains here.

          Try eliminating the switch gear and attempt to image on a small hub or router (You will need something doling ip addresses to pxe boot) and try your set up on a few machines, if the multicast completes as expected you need to look at the settings in your network on your switch gear. If you have to set up a “test” environment on a few old hubs and try the set up, don’t use the main switches.

          WARNING TO USERS: My comments are written completely devoid of emotion, do not mistake my concise to the point manner as a personal insult or attack.

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          • A
            Alistair
            last edited by Apr 17, 2014, 6:05 PM

            I’m so tired and stressed out about this that I didn’t think of the obvious Jaymes that you did think of.
            I did what you said.
            fogserver, win server 2012, my PC and 2 clients (I used the win server because it was quicker - it had DHCP)

            Same result, waiting for image… BUT.

            Rebooted fogserver
            TFTP …
            Restarted tftpd-hpa

            Then multitasking worked to the new PCs!!!
            Have to go home now. Thanks Jaymes.

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            • A
              Alistair
              last edited by Apr 17, 2014, 6:50 PM

              Probably need to implement the delayed startup of TFTP that’s been mentioned earlier.
              Obviously that will solve the TFTP … (waiting) on the clients.

              But could there also be a connection between this and the image not being multicasted?

              I hope a delayed startup of tftpd-hpa will also solve the multicast problem and eliminate the need to reboot fogserver.

              When it comes to computers, I just seem to attract bugs and issues.
              Computers are not impressed with my natural charm and charisma

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              • A
                Alistair
                last edited by Apr 17, 2014, 6:55 PM

                Tom I just read your comment from last year:
                [I]Has anyone in this thread found this issue with 0.33b? Maybe I can append/sed the command into the installation so nobody has to worry about this! [/I]

                Sounds like a good idea[I].[/I]

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                • J
                  Jaymes Driver Developer
                  last edited by Apr 17, 2014, 7:10 PM

                  For now I would do as you suggested, run a delayed start up of the command, or just restart the service on each reboot. You are welcome for the the suggestion, don’t feel bad when I get stressed about a fog issue someone else normally comes up with an easy test for me too, just paying it forward 😉

                  WARNING TO USERS: My comments are written completely devoid of emotion, do not mistake my concise to the point manner as a personal insult or attack.

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                  • A
                    Alistair
                    last edited by Apr 18, 2014, 10:42 AM

                    TFTP is still not running despite the mod to /etc/rc.local

                    Here is a copy of the file. Is there anything wrong?

                    #!/bin/sh -e

                    rc.local

                    This script is executed at the end of each multiuser runlevel.

                    Make sure that the script will “exit 0” on success or any other

                    value on error.

                    In order to enable or disable this script just change the execution

                    bits.

                    By default this script does nothing.

                    /bin/sleep30 && /etc/init.d/tftpd-hpa restart
                    exit 0

                    xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

                    In order to enable or disable this script just change the execution

                    bits. (no idea what this means. Do I need to enable this script?)

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                    • A
                      Alistair
                      last edited by Apr 18, 2014, 10:57 AM

                      Multicast does not work again.

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                      • A
                        Alistair
                        last edited by Apr 18, 2014, 11:11 AM

                        Now it is working (multicast to the same 3 new PCs)

                        Trying to understand the sequence of events that leads to it not working and then working.

                        This time I rebooted fogserver, logged in, waited 2 minutes,
                        sudo stop tftpd-hpa
                        sudo start tftpd-hpa

                        From my PC - multicast to 3 PCs which worked

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                        • J
                          Jaymes Driver Developer
                          last edited by Apr 18, 2014, 11:14 AM

                          I guess you will need to run the script yourself to stop and start the service, it’s not like it is a long command.

                          WARNING TO USERS: My comments are written completely devoid of emotion, do not mistake my concise to the point manner as a personal insult or attack.

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                          • A
                            Alistair
                            last edited by Apr 18, 2014, 11:34 AM

                            I suspect Firefox or LibreOffice may be the culprits.
                            I know it is not good practise to use other programs on a dedicated server, but it makes it so much easier to to get this fog stuff done and sorted by using Firefox and LibreOffice on fogserver.

                            OK I am going to work through this systematically.
                            I am not touching the fogserver desktop. (remember I only logged in and then stopped and started tftpd-hpa.)
                            I am now multicasting again for a 2nd time succesfully to the 3 clients. To prove that it wasn’t a one off fluke. It can be repeated.

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                            • T
                              Tom Elliott
                              last edited by Apr 18, 2014, 11:48 AM

                              Shouldn’t the proper commands to restart the service be:
                              [code]sudo service tftpd-hpa restart[/code]

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                              • A
                                Alistair
                                last edited by Apr 18, 2014, 11:50 AM

                                Have now multicast the Ubuntu-12 image to the same classroom of old HPs - as expected did not work.
                                Then for the 3rd time I multicast Win 8.1 successfully to the 3 same new HPs.

                                3 successful multicasts of Win 8.1
                                1 failed multicast of Ubuntu to old HPs.

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                                • A
                                  Alistair
                                  last edited by Apr 18, 2014, 12:37 PM

                                  Tom you wrote:

                                  Shouldn’t the proper commands to restart the service be:
                                  Code:
                                  sudo service tftpd-hpa restart
                                  I just realized that you are probably referring to the script used in rc.local? I thought you were commenting on when I wrote:

                                  This time I rebooted fogserver, logged in, waited 2 minutes,
                                  sudo stop tftpd-hpa
                                  sudo start tftpd-hpa

                                  I have now used the following line in rc.local, including sudo:

                                  /bin/sleep30 && sudo /etc/init.d/tftpd-hpa restart

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                                  • A
                                    Alistair
                                    last edited by Apr 18, 2014, 1:40 PM

                                    Reboot
                                    Log in window appears
                                    Have not logged in.
                                    Wait 1 minute.
                                    Multicast to 3 PCs
                                    TFTP… waiting
                                    Cancel fog tasks
                                    Log in to fogserver
                                    Wait 1 minute
                                    Multicast to 3 Pcs
                                    TFTP…
                                    Cancel fog tasks
                                    sudo service tftpd-hpa restart
                                    Multicast to 3 PCs
                                    TFTP works
                                    Multicast failed - same white window with blue frame
                                    Cancel fog tasks

                                    Reboot fogserver
                                    Log in
                                    wait 1 minute
                                    sudo service tftpd-hpa restart
                                    Multicast to 3 PCs
                                    Multicast failed !!! (strange, I thought this would work now)
                                    Cancel fog tasks

                                    Reboot fogserver
                                    Log in
                                    wait 1 minute
                                    sudo service tftpd-hpa restart
                                    Multicast to 3 PCs
                                    Multicast failed again !!!
                                    Cancel fog tasks

                                    Reboot fogserver
                                    Log in
                                    wait 1 minute
                                    sudo stop tftpd-hpa
                                    sudo start tftpd-hpa
                                    Multicast to 3 PCs
                                    Multicast Worked (note that this time I stopped tftp first and then started it 10 seconds later)

                                    I am now going to reboot fogserver and repeat the above procedure 2 more times to confirm working with stop and then start.

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                                    • J
                                      Jaymes Driver Developer
                                      last edited by Apr 18, 2014, 1:46 PM

                                      [code]
                                      sudo service tftpd-hpa stop
                                      sudo service tftpd-hpa start
                                      [/code]

                                      Is what you should be using.

                                      You are lucky "sudo stop tftpd-hpa " even works at all, this is not how you syntax a service restart.

                                      You have confirmed that there is a bug in the tftpd-hpa up start service, this is a known issue where the service is started before an ip address is even assigned to the machine.

                                      [B]If I were you I would manually type the commands at the restart of the server.[/B]

                                      This is not a problem of fog, your fog server is working as expected. If you want help in resolving the issue, please try an Ubuntu forum, the people there are very nice and will help you to better understand the problem you are facing and how to fix it!

                                      WARNING TO USERS: My comments are written completely devoid of emotion, do not mistake my concise to the point manner as a personal insult or attack.

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                                      • A
                                        Alistair
                                        last edited by Apr 18, 2014, 2:01 PM

                                        I repeated the above procedure only one time and multicast failed to my horror.

                                        This failure of multicast is totally unpredictable.

                                        Jaymes, the syntax sudo stop tftpd-hpa does in fact work. It is confirmed on the following line that tftpd is not running.
                                        But I will use the syntax you recommend from now on.

                                        You wrote: [B]If I were you I would manually type the commands at the restart of the server.[/B]
                                        A have done that [U]everytime[/U] as I listed above. Multicast works sometimes and not others.
                                        This is crazy. I had the TFTP problem with the old fogserver and old HP clients. But that was easily fixed with the start stop syntax.
                                        Never had a problem with multicast, if that is in fact the real problem here.

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                                        • J
                                          Jaymes Driver Developer
                                          last edited by Apr 18, 2014, 2:22 PM

                                          Why multicast then? Try unicast to multiple hosts, I personally hate using multicast because if a host drops out in the middle of imaging, your whole group is hosed. I set up a group of members and push a unicast to each of those machines at once. only 10 will image at a time but they will wait in que until a spot opens up and then image.

                                          Try unicast imaging, it uses the tftp-hda service to push to single units too, try it before you multicast.

                                          So reboot, try single unit image, is it successful?
                                          If not, and it is because of the service, restart it and push image again, was it successful?

                                          after successful unicast, try multicast, did it fail? Try unicast again, did it succeed?

                                          what I’m trying to do here is figure out if it is the tftpd-hpa service, or if it is just the multicasting ability.

                                          Sorry to give you so much to do, but I want to get some direction going here. Is the multicast only failing for these units? Are you still working on a test switch setup like I suggested? Try these troubleshooting steps I recommended OFF of the network, so we can make sure the FOG server is working.

                                          We want to get multicast for SURE working before you put it in the production environment because some switch gear causes issues.

                                          WARNING TO USERS: My comments are written completely devoid of emotion, do not mistake my concise to the point manner as a personal insult or attack.

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