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# Gigabyte Ampere Cuttlefish Installer
This repo contains the scripts to generate live Debian installer for
cuttlefish for Gigabyte Ampere server.
## Download built image
The built images can be found on https://artifacts.codelinaro.org/ui/native/linaro-372-googlelt-gigabyte-ampere-cuttlefish-installer/gigabyte-ampere-cuttlefish-installer
The latest image are always put into https://artifacts.codelinaro.org/ui/native/linaro-372-googlelt-gigabyte-ampere-cuttlefish-installer/gigabyte-ampere-cuttlefish-installer/latest/
## Scripts
* build_cf_packages.sh:
We use this script to build cuttlefish-common packages.
Please use "pbuilder-dist stable arm64 create" to create a
chroot environment before running this script.
And update the chroot environment periodically by
"pbuilder-dist stable arm64 update".
* kernel_build_deb.sh:
* Build AOSP kernel to Debian packages.
* The source can be downloaded by kernel_download.sh
* kernel_dependencies.sh install the build dependencies that is needed
by kernel_build_deb.sh
* addpreseed.sh:
* To run this script. Users have to downmiad mini.iso first.
https://deb.debian.org/debian/dists/bookworm/main/installer-arm64/current/images/netboot/mini.iso
* This script will add preseed to the mini.iso to make it a live
installer for Gigabyte Ampere server.
## Modifying the preseed.
We put the preseed file in preseed subdirectory.
* preseed/preseed.cfg: the preseed file.
* preseed/after_install_1.sh: the post-install script.
## Metapackage Customization
We have a metapackage. It is in the subdirectory metapackage-linaro-gigamp.
The post-install script of the preseed will install this metapackage.
So some of the customization happened in this metapackage instead of
the post-install script in preseed.
For example:
* Increasing the ulimit of "open files".
* Adding NTP servers.
* Install some extra packages through Depends.
If the customization is not related to boot the machine, we suggest
to move the customization here. It needs a bit of Debian packaging knowledge
though. Adding to post-install script is straightfoward, but it will
bloat the size of the installer image. So we suggest to add any extra
customizations here through Debian-way.
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