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uc-image's Introduction

Custom Ubuntu Core image builder

This is command line tool for building Ubuntu Core images. It does follow ubuntu-image syntax. In addition it supports build of images in format for various flash tools and SoCs.

Supported flash tools, SoCs:

  • NXP: uuu flash tool
  • Qualcomm: fastboot, qdl, QFIL
  • Mediatek: native flash tool, fastboot
  • Ambarella: AmbaUSB

Extra features:

  • --use-android-fs-tools: use Android file system tools (make_ext4fs) to generate sparse files compatible with Android flash tools
  • --build-seed-image: generate reflash image bundle (all the boot asset files, plus compressed ubuntu-seed partition image)
  • --disk-info: File to be used as .disk/info on the image's rootfs
  • --build-raw: do not convert created images to sparse
  • Auto detection of Ambarella build to generate elf files to be used by Ambarella AmbaUSB flash tools.

Obsolete customisation options for Ubuntu Core 16/18

  • --network-config:
  • --disable-console-conf: Disable console conf in the image
  • --netplan-config: Include default netplan config in the image
  • --auto-import-assertion: Include auto-import-assertion file to the image
  • --hooks-directory: Hooks to be invoked at image build time
  • --overlay: Custom overlay to be added to the image
  • --backdoor: Create backdoor in the created image
  • --disable-ssh-server: disable ssh server
  • --journald-storage-persistent: forward journald to persistent storage
  • --seed-root-ssh-authorized-keys: populate root's authorized_keys (/root/.ssh/authorized_keys) with passed public key(s)
  • --enable-early-getty: Forcefull disabling of console conf and early enablement of getty
  • --set-hostname: set initial hostname to be used at first boot

uc-image's People

Contributors

kubiko avatar aristochen avatar

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