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    Deploying images from USB

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    • J
      Jørn Pettersen
      last edited by

      Thanks for you replies. Yes I’m also more found of imaging from a server because of the speed and the fact that it is more manageable to have all images stored in one location. But we are going to use this is a businesses environment and because of that we need to have a way to deploy an image from a usb stick as well. It’s not always the computer we are deploying an image to is connected to a network. We are in the process or choosing a image tool to use for the future and I’m really starting to like fog a lot because the functionality and the easiness to do configurations from a web interface and in fact that we can get help from this forum and developers if there are any things we struggling with.

      But back to the case. Uncle Frank, could you provide more specific info on how I could make fog work on a usb stick? As of now I’ve tried with a earlier version of fog because of the use of syslinux.cfg file. In the newer versions this is removed and I’m not sure of how to get this to work. But, a image made from a newer version, is it possible to deploy this with a version 0.32 (the version I’ve used)? As I’ve understand it, when choosing something in the startup menu on a client, you actually tell the server what to do at the next reboot? How could I then skip this reboot and go right from choosing a image to start deploying it? (Also some suggestion from tom to get me started would be happily received).

      Tom, where can I change the image format? If I do so, do I need a newer version of fog to deploy this image again? And last, since you are using partclone to do the imaging, is it possible to deploy this image with another image tool that also use partclone?

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      • S
        Sebastian Roth Moderator
        last edited by

        Take it one step at a time…
        I’d recommend using FOG 1.2.0 for now although it probably would not hurt to use current SVN either. Your choice.

        1. Get an USB Stick with FOG running
        • (Format it with FAT32 and put syslinux onto it - I guess you’ve done that already)
        • copy /var/www/fog/service/ipxe/bzImage(32) and /var/www/fog/service/ipxe/init(_32).xz to USB-Stick
        • Use the following configuration (home brew) and change to bzImage/init.xz for 64bit:
          [CODE]DEFAULT fog
          LABEL fog
          KERNEL /bzImage32
          APPEND initrd=/init_32.xz root=/dev/ram0 rw ramdisk_size=127000 nodhcp loglevel=4 osid=5 chkdsk=0 type=down mode=debug[/CODE]
        • Boot the client using that Stick. If everything works you’ll end up with a lot off messages saying “Sending discovery…”
        1. Modify FOG
        • See here on how to mod init(_32).xz: [url]http://www.fogproject.org/wiki/index.php/Modifying_the_Init_Image[/url]
        • First delete etc/init.d/S40network from init(_32.xz) to skip DHCP discovery
        • Boot up again and you should end up with a terminal session within FOG…

        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

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        • S
          Sebastian Roth Moderator
          last edited by

          [quote=“Jørn Pettersen, post: 42539, member: 28650”]As I’ve understand it, when choosing something in the startup menu on a client, you actually tell the server what to do at the next reboot?[/quote]
          No, not usually. There are a couple of tasks (especially if that particular host is not registered yet) that you can run from the PXE menu, like register the host or quick imaging. That “task” is then run straight away. BUT usually all tasks are being scheduled via the webinterface. The clients are then woken up via WOL and run that scheduled task without any further user interaction (no PXE menu but booting straight into FOG an run the task). But this is only important for you if you use FOG in a network scenario as well.

          [quote=“Jørn Pettersen, post: 42539, member: 28650”]Tom, where can I change the image format? If I do so, do I need a newer version of fog to deploy this image again? And last, since you are using partclone to do the imaging, is it possible to deploy this image with another image tool that also use partclone?[/quote]
          I am still new to FOG so I don’t know for sure but AFAIK image format can only be set in the database. So you’d need to install phpmyadmin or similar tools to do this. Tom, please correct me if that’s not true.

          I reckon that you could deploy that image using clonezilla for example. But it would need some kind of shell script too I’d say. Up to you if you want to dive into clonezilla or changing FOG for your needs.

          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

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          • JunkhackerJ
            Junkhacker Developer
            last edited by

            right now a imageFormat flag of “2” can only be set in the database directly, by command line or a tool like phpmyadmin. having the images split is useful for offline backup and file transfers, but not really for storing the data on multiple disks. all of the image files must be in the same location at the start of the imaging process, or it will fail. fog images should be deployable using clonezilla with the right command line syntax, as fog images are just compressed partclone images.

            signature:
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            We are here to help you. If you are unresponsive to our questions, don't expect us to be responsive to yours.

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            • J
              Jørn Pettersen
              last edited by

              Thank you for all helpful tips, it really helps me on the way to accomplish what I need. Uncle Frank, I did what you suggested and ended up with a bootable usb stick and as you said ended up with command line. But it seems like usb controllers are removed from the kernel or the init file. Is this correct? Any suggestions how to add this again?

              I will start to edit the files needed to make fog image the computer for the stick, but is it fog.download I must edit? Could someone please describe a bit what files are involved when I want to image a computer? (If someone has already made a description of how rings work and the files involved please someone tip me. I´m really interested in getting t know the system 🙂 ) I guess the file that involves imaging the computer need a path to where the image is stored, so I will try to implement usb detection and mount that usb stick and make a list if all available images where the user could choose from and then send the path to fog.

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              • S
                Sebastian Roth Moderator
                last edited by

                I just heard about FOG not supporting USB-storage to prevent trouble if someone left a stick in one of the clients by accident (see Junkhackers comment here: [url]http://fogproject.org/forum/threads/request-for-help-or-maybe-just-answers.12476/#post-42596[/url]). So you’d have to build your own kernel. Let me know if you need assistence with that. See some instructions here: [url]http://fogproject.org/wiki/index.php?title=Building_a_Custom_Kernel[/url] or even better here: [url]http://fogproject.org/wiki/index.php/Build_TomElliott_Kernel[/url]

                Within the init.xz file you want to study those files:
                [CODE]/bin/fog.download
                /bin/fog.checkin
                /usr/share/fog/lib/funcs.sh[/CODE]

                FOG mounts /images via NFS from the server. Change this to mount your USB-Stick. But there probably is quite some work to be done in fog.checkin too, I’d say. Forgot about that at first, sorry.

                One more thing I just remembered. You probably will have to change your boot parameters sooner or later too to match things for your scenario. See how you go and let me know if I can help you.

                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

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                • JunkhackerJ
                  Junkhacker Developer
                  last edited by

                  i really think it would be easier to create a clonezilla usb boot stick, and copy your image to it, instead of trying to rewrite the fog stuff

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                  We are here to help you. If you are unresponsive to our questions, don't expect us to be responsive to yours.

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                  • S
                    Sebastian Roth Moderator
                    last edited by

                    [quote=“Junkhacker, post: 42613, member: 21583”]i really think it would be easier to create a clonezilla usb boot stick, and copy your image to it, instead of trying to rewrite the fog stuff[/quote]
                    You could be right there. Somehow I got drawn away by the idea of being able to make FOG do local restore… Maybe it’s just easier to use clonezilla.

                    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

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                    • Wayne WorkmanW
                      Wayne Workman
                      last edited by

                      Could always just haul around hard drives with the right images on them already… Way faster than imaging!

                      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/
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                      https://fog-external-reporting-results.fogproject.us/

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                      • J
                        Jørn Pettersen
                        last edited by

                        Yes I agree with you Junkhacker after the last response from Uncle Frank it seems like a bigger job than expected. Tried to search a bit around this but did not find anything about a conversion or something of images made in fog and then deployed using clonezilla. Do you know anything about this? I tried to just copy the image from fog to clonezilla, but that did not work. Clonezilla has more files in their image folder that fog has and the naming is different.
                        Sorry for all my questions… But I really need a working solution up and running. All the help are very much appreciated!

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                        • J
                          Jørn Pettersen
                          last edited by

                          I see your point Wayne. And for 99% of the time we use an image server. But sometimes we need to do an quick imaging of a computer without having a server around and then we need to have a offline method to do the imaging. Have also thought about having a virtual box setup locally on a laptop with a fog server to run in these situations.

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                          • Wayne WorkmanW
                            Wayne Workman
                            last edited by

                            [quote=“Jørn Pettersen, post: 42619, member: 28650”]I see your point Wayne. And for 99% of the time we use an image server. But sometimes we need to do an quick imaging of a computer without having a server around and then we need to have a offline method to do the imaging. Have also thought about having a virtual box setup locally on a laptop with a fog server to run in these situations.[/quote]

                            But even then, if your production hardware is similar enough (just a few models), you could have ready-to-go hard drives in your bag/work van to install in those broke down systems.

                            And you could totally set up FOG on a laptop, and have it dish out DHCP and the works. You would need a cross-over cable in order to not use a switch. It’d work fine.

                            But, that’s an inefficient method. I’d personally just have hard drives ready to stick in, myself.

                            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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                            • D
                              Darrell Lanson
                              last edited by

                              I had installed Ubuntu and Fog on a 64GB stick and made it a bootable server for when I go to remote sites. I use a computer to boot the USB stick(makes a temporary server) and the rest get rebooted so that they can get their info from the fog server it works ok but really need a USB3.0 stick 2.0 takes about 3 times longer than normal.

                              Ubuntu 14.04.5 LTS 64bit
                              Fog 1.5.3

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                              • JunkhackerJ
                                Junkhacker Developer
                                last edited by

                                to use clonezilla with fog images, you will need to set up the partitions manually, such as by using gparted. then use the command line to write the image to the partition. this is more or less what you’ll need to tell it
                                [CODE]gunzip -d -c < $file | partclone.restore --ignore_crc -O $disk -N -f[/CODE]

                                [quote=“Jørn Pettersen, post: 42619, member: 28650”]Have also thought about having a virtual box setup locally on a laptop with a fog server to run in these situations.[/quote]
                                people have done this as well, and it works

                                signature:
                                Junkhacker
                                We are here to help you. If you are unresponsive to our questions, don't expect us to be responsive to yours.

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                                • S
                                  Sebastian Roth Moderator
                                  last edited by

                                  Probably you could also capture one image using clonezilla from that particular kind of client just to have a template of clonezilla files ready. Then swap ‘sdaX.<fstype>-ptcl-img.gz.aa’ files with those you got from fog. From what I could find out they should be in the correct format (partclone packed with gzip) already. You just need to rename them properly. Give it a try…

                                  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

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