构建较小尺寸的树莓派图像

Question

我正试图使用包装构建器臂构建小尺寸树莓派图像(https://github.com/mkaczanowski/packer-builder-arm)社区插件。

生成的图像仍然是2GB。有人建议如何缩小图像大小。谢谢

{
"variables": {},
"builders": [
{
"type": "arm",
"file_urls": [
"http://downloads.raspberrypi.org/raspios_lite_armhf/images/raspios_lite_armhf-2020-05-28/2020-05-27-raspios-buster-lite-armhf.zip"
],
"file_checksum_url": "http://downloads.raspberrypi.org/raspios_lite_armhf/images/raspios_lite_armhf-2020-05-28/2020-05-27-raspios-buster-lite-armhf.zip.sha256",
"file_checksum_type": "sha256",
"file_target_extension": "zip",
"image_build_method": "reuse",
"image_path": "custom-raspberry-pi-os.img",
"image_size": "700M",
"image_type": "dos",
"image_partitions": [
{
"name": "boot",
"type": "c",
"start_sector": "8192",
"filesystem": "vfat",
"size": "256M",
"mountpoint": "/boot"
},
{
"name": "root",
"type": "83",
"start_sector": "532480",
"filesystem": "ext4",
"size": "0",
"mountpoint": "/"
}
],
"image_chroot_env": [
"PATH=/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin"
],
"qemu_binary_source_path": "/usr/bin/qemu-arm-static",
"qemu_binary_destination_path": "/usr/bin/qemu-arm-static"
}
],
"provisioners": [
{
"type": "shell",
"inline": ["touch /tmp/test"]
}
]
}```

Answer 1

您可能需要考虑删除其中不需要的程序。然后使用类似resize2fs的东西来调整分区大小。