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modifying_factory_image.md

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Modifying Factory images

Factory images (.ISO) can be modified to include any additional Debian packages or to run extra scripts after the image installation is complete.

Development purposes

For development purposes, additional .deb packages can be placed onto a USB stick with a factory image already written to it if the USB stick is formatted as FAT32.

  1. Create the directories debs/main on the USB stick if they don't already exist.
  2. Copy all .deb packages and their dependencies into the debs/main directory on the USB disk.

Production purposes

To write these packages into a new ISO image, the Dell Recovery tool needs to be executed in builder mode. In builder mode it can take an existing factory ISO image and modify it.

From an Ubuntu machine with dell-recovery installed, execute:

# dell-recovery --builder

The GUI will ask for an existing factory ISO image. On the (driver) FISH packages page, additional .deb files can be selected.

If you have a lot of packages, alternatively a command line version is available that all .deb packages can be declared in a newline delimitted text file.

# /usr/share/dell/bin/dell-bto-autobuilder

The arguments are listed in the --help listing.