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TFTP: File Not Found

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FOG Problems
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  • T
    Tom Elliott
    last edited by Mar 23, 2016, 2:34 PM

    It’s most likely nothing to do with FOG as it’s not even getting to the point of requesting a file, from what I can see. That or the FOG Server doesn’t have tftp running?

    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

    S 1 Reply Last reply Mar 23, 2016, 2:48 PM Reply Quote 0
    • S
      Scott B @Tom Elliott
      last edited by Mar 23, 2016, 2:48 PM

      @Tom-Elliott said:

      It’s most likely nothing to do with FOG as it’s not even getting to the point of requesting a file, from what I can see. That or the FOG Server doesn’t have tftp running?

      tftpd-hpa service shows running. I tried restarting it as well. Checked in fog’s web gui and the user and password listed for fog tftp are correct.

      T 1 Reply Last reply Mar 23, 2016, 2:51 PM Reply Quote 0
      • T
        Tom Elliott @Scott B
        last edited by Mar 23, 2016, 2:51 PM

        @Scott-B FOG Tftp has nothing to do with tftp running or not.

        Can you tftp a file to the system? THE FOG_TFTP stuff in fogsettings of from the time where fog was using pure pxelinux.0 as the boot file. These options were what was used for kernel updates and pushing the task file to the server telling the host to boot. More or less these fields could now be erradicated entirely, but I still use them for kernel updating.

        Can you try this: manually?

        sudo service xinetd stop
        sleep 2
        sudo service xinetd start
        sleep 2
        sudo service tftpd-hpa stop
        sleep 2
        sudo service tftpd-hpa start
        

        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

        S 1 Reply Last reply Mar 23, 2016, 3:02 PM Reply Quote 0
        • S
          Scott B @Tom Elliott
          last edited by Scott B Mar 23, 2016, 9:07 AM Mar 23, 2016, 3:02 PM

          @Tom-Elliott

          I get a “timeout occurred. connect request failed.” when I try to send a file manually. Same if I try to get a file as well.

          1 Reply Last reply Reply Quote 0
          • S
            Sebastian Roth Moderator
            last edited by Mar 23, 2016, 4:02 PM

            Maybe you upgraded the system as well. Possibly enabling the firewall??

            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

            S 1 Reply Last reply Mar 23, 2016, 4:30 PM Reply Quote 0
            • S
              Scott B @Sebastian Roth
              last edited by Mar 23, 2016, 4:30 PM

              @Sebastian-Roth said:

              Maybe you upgraded the system as well. Possibly enabling the firewall??

              I can tftp a file directly from the server console so its at least running. The only firewall on the system is ufw (Uncomplicated Firewall) but its disabled on start and is not running on the system.

              Q W 2 Replies Last reply Mar 23, 2016, 4:44 PM Reply Quote 0
              • Q
                Quazz Moderator @Scott B
                last edited by Mar 23, 2016, 4:44 PM

                @Scott-B Could you check on a non-VM machine if it works? I’m not overly familiar with VM but I do know VM’s can be weird with PXE sometimes, they’re particularily picky with what network adapter will work.

                S 1 Reply Last reply Mar 23, 2016, 4:45 PM Reply Quote 1
                • S
                  Scott B @Quazz
                  last edited by Mar 23, 2016, 4:45 PM

                  @Quazz said:

                  @Scott-B Could you check on a non-VM machine if it works? I’m not overly familiar with VM but I do know VM’s can be weird with PXE sometimes, they’re particularly picky with what network adapter will work.

                  I’ve tried on both physical and vm devices.

                  Q 1 Reply Last reply Mar 23, 2016, 4:48 PM Reply Quote 0
                  • Q
                    Quazz Moderator @Scott B
                    last edited by Mar 23, 2016, 4:48 PM

                    @Scott-B What does your /etc/default/tftpd-hpa file look like?

                    S 1 Reply Last reply Mar 23, 2016, 8:04 PM Reply Quote 1
                    • W
                      Wayne Workman @Scott B
                      last edited by Wayne Workman Mar 23, 2016, 1:50 PM Mar 23, 2016, 7:46 PM

                      @Scott-B said:

                      I can tftp a file directly from the server console so its at least running. The only firewall on the system is ufw (Uncomplicated Firewall) but its disabled on start and is not running on the system.

                      Because you can get the files via TFTP from the local server, it’s firewall or network related. And you say the firewall is disabled so… it’s network related probably.

                      Could it be an IP conflict, for either this host or the fog server?

                      Do you have a network hub (as opposed to a switch)? You could use that to do a capture with wireshark on a test computer. you could also do a capture on the FOG server. To really figure out what is going on, we need to see what’s going across the lines.

                      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
                      • S
                        Scott B @Quazz
                        last edited by Mar 23, 2016, 8:04 PM

                        @Quazz said:

                        @Scott-B What does your /etc/default/tftpd-hpa file look like?

                        # /etc/default/tftpd-hpa
                        # FOG Modified version
                        TFTP_USERNAME="root"
                        TFTP_DIRECTORY="/tftpboot"
                        TFTP_ADDRESS=":69"
                        TFTP_OPTIONS="-s"
                        
                        1 Reply Last reply Reply Quote 0
                        • S
                          Sebastian Roth Moderator
                          last edited by Mar 23, 2016, 8:41 PM

                          My guess it’s firewall… iptables -L -n -v

                          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

                          S 1 Reply Last reply Mar 24, 2016, 1:01 PM Reply Quote 1
                          • S
                            Scott B @Sebastian Roth
                            last edited by Mar 24, 2016, 1:01 PM

                            @Sebastian-Roth said:

                            My guess it’s firewall… iptables -L -n -v

                            root@FOG:~# iptables -L -n -v
                            Chain INPUT (policy ACCEPT 0 packets, 0 bytes)
                             pkts bytes target     prot opt in     out     source               destination
                            
                            Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)
                             pkts bytes target     prot opt in     out     source               destination
                            
                            Chain OUTPUT (policy ACCEPT 0 packets, 0 bytes)
                             pkts bytes target     prot opt in     out     source               destination
                            
                            1 Reply Last reply Reply Quote 0
                            • S
                              Scott B
                              last edited by Scott B Mar 24, 2016, 7:24 AM Mar 24, 2016, 1:23 PM

                              /var/log/syslog show the messages below.

                              Mar 24 07:52:26 FOG in.tftpd[29283]: tftp: client does not accept options
                              Mar 24 08:03:59 FOG in.tftpd[29827]: tftp: client does not accept options
                              Mar 24 08:09:01 FOG CRON[30159]: (root) CMD (  [ -x /usr/lib/php5/sessionclean ] && /usr/lib/php5/sessionclean)
                              Mar 24 08:16:10 FOG in.tftpd[30432]: tftp: client does not accept options
                              Mar 24 08:17:01 FOG CRON[30490]: (root) CMD (   cd / && run-parts --report /etc/cron.hourly)
                              Mar 24 08:39:01 FOG CRON[31690]: (root) CMD (  [ -x /usr/lib/php5/sessionclean ] && /usr/lib/php5/sessionclean)
                              Mar 24 08:44:49 FOG in.tftpd[31921]: tftp: client does not accept options
                              Mar 24 09:01:08 FOG kernel: [73741.076609] ip_tables: (C) 2000-2006 Netfilter Core Team
                              Mar 24 09:09:01 FOG CRON[911]: (root) CMD (  [ -x /usr/lib/php5/sessionclean ] && /usr/lib/php5/sessionclean)
                              Mar 24 09:17:01 FOG CRON[1629]: (root) CMD (   cd / && run-parts --report /etc/cron.hourly)
                              

                              I also checked the firewall

                              root@FOG:~# ufw status
                              Status: inactive
                              
                              S W 2 Replies Last reply Mar 24, 2016, 2:11 PM Reply Quote 0
                              • S
                                Sebastian Roth Moderator @Scott B
                                last edited by Mar 24, 2016, 2:11 PM

                                @Scott-B said:

                                Mar 24 08:44:49 FOG in.tftpd[31921]: tftp: client does not accept options
                                

                                You can safely ignore this. It’s just a notice and does not prevent the client from downloading binaries via TFTP! I guess this message in the log came up when you tried tftp from the server console, right?? Please try again from the server and remote and see when you get the message in the logs.

                                Other than that I am kind of lost with this. Have you double/triple checked the IP addresses? Are you able to ping both ways (client which you test tftp from and FOG server)??

                                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

                                S 1 Reply Last reply Mar 24, 2016, 2:17 PM Reply Quote 0
                                • S
                                  Scott B @Sebastian Roth
                                  last edited by Mar 24, 2016, 2:17 PM

                                  @Sebastian-Roth said:

                                  @Scott-B said:

                                  Mar 24 08:44:49 FOG in.tftpd[31921]: tftp: client does not accept options
                                  

                                  You can safely ignore this. It’s just a notice and does not prevent the client from downloading binaries via TFTP! I guess this message in the log came up when you tried tftp from the server console, right?? Please try again from the server and remote and see when you get the message in the logs.

                                  Other than that I am kind of lost with this. Have you double/triple checked the IP addresses? Are you able to ping both ways (client which you test tftp from and FOG server)??

                                  I was able to tftp a file from the console, I was trailing the syslog at the time and did not see the message again. I can ping both ways without issue.

                                  S 1 Reply Last reply Mar 24, 2016, 2:19 PM Reply Quote 0
                                  • W
                                    Wayne Workman @Scott B
                                    last edited by Mar 24, 2016, 2:19 PM

                                    @Scott-B The idea with troubleshooting when you don’t know what’s going on is just to start trying stuff. A lot of stuff. Write down notes about what you tried and if it worked or not. And while your doing all these ‘things’, your looking for messages and clues anywhere and everywhere.

                                    Try a WOL.
                                    Try an image capture
                                    Try an image deploy
                                    Try a snapin
                                    Try pinging.
                                    Try a packet capture while you try to do an image deploy.
                                    Make sure the patch cable connections are snug on the server.
                                    Try a new patch cable.
                                    Is there a typo in your DHCP option 066 or 067 ???
                                    Install FOG with DHCP, then take it off the network and connect it to just a mini-switch / hub, and then connect a target host to that and try imaging. Does it 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!
                                    Daily Clean Installation Results:
                                    https://fogtesting.fogproject.us/
                                    FOG Reporting:
                                    https://fog-external-reporting-results.fogproject.us/

                                    1 Reply Last reply Reply Quote 0
                                    • S
                                      Sebastian Roth Moderator @Scott B
                                      last edited by Mar 24, 2016, 2:19 PM

                                      @Scott-B Wanna chat? See in the top right corner of this site…

                                      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

                                      1 Reply Last reply Reply Quote 0
                                      • S
                                        Sebastian Roth Moderator
                                        last edited by Sebastian Roth Mar 24, 2016, 10:03 AM Mar 24, 2016, 4:03 PM

                                        Ok, we did a tcpdump session on the FOG server and we see that the TFTP request from the client as well as the first TFTP answer packet leaving the server (but probably never making it to the client). While ping is working!! So the only two things (more or less one really) I can think of is access rules on the switches or firewall rules on the VM host (test client is running on a VWware host)… definitely not a FOG issue.

                                        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

                                        1 Reply Last reply Reply Quote 1
                                        • S
                                          Scott B
                                          last edited by Mar 24, 2016, 6:36 PM

                                          With a lot of help from @Sebastian-Roth we did track down the issue. Someone must have been in our DHCP server and changed the case of the undionly.kpxe to all caps… thus not finding the file. Sometimes is those simple things you just don’t think to look for. Thanks again for your help Sebastian!

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