Table of Contents

Install beagleboard

Factory reset

  1. Write img to SD Card. am335x-eMMC-flasher-debian-11.7-iot-armhf-2023-09-02-4gb.img

  2. Hold S2 button and plug power supply

  3. Wait until the device is flashed and powered off.

  4. Remove SD Card

Install to ssd.

  1. Write img to SD Card. am335x-debian-11.7-iot-armhf-2023-09-02-4gb.img

  2. Press "S2" button(not S3-power button), that is near SD Card and plug power supply.

  3. ssh debian@192.168.7.2

  4. Check distro version: lsb_release -a

  5. Expand sd card space:

$ sh beaglebone_grow_partition.sh

#!/bin/sh -e
#
# Copyright (c) 2014-2018 Robert Nelson <robertcnelson@gmail.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

if ! id | grep -q root; then
    echo "must be run as root"
    exit
fi

if [ ! -f /etc/ssh/ssh_host_ecdsa_key.pub ] ; then
    echo "Please wait a few more seconds as ssh keys are still being generated..."
    exit 1
fi

unset root_drive
root_drive="$(cat /proc/cmdline | sed 's/ /\n/g' | grep ^root=UUID= | awk -F 'root=' '{print $2}' || true)"
if [ ! "x${root_drive}" = "x" ] ; then
    root_drive="$(/sbin/findfs ${root_drive} || true)"
else
    root_drive="$(cat /proc/cmdline | sed 's/ /\n/g' | grep ^root= | awk -F 'root=' '{print $2}' || true)"
fi

if [ ! "x${root_drive}" = "x" ] ; then
    boot_drive="${root_drive%?}1"
else
    echo "Error: script halting, could not detect drive..."
    exit 1
fi

single_partition () {
    echo "${drive}p1" > /var/resizerootfs
    conf_boot_startmb=${conf_boot_startmb:-"4"}
    sfdisk_fstype=${sfdisk_fstype:-"L"}
    if [ "x${sfdisk_fstype}" = "x0x83" ] ; then
        sfdisk_fstype="L"
    fi

    sfdisk_options="--force --no-reread --Linux --in-order --unit M"
    test_sfdisk=$(LC_ALL=C sfdisk --help | grep -m 1 -e "--in-order" || true)
    if [ "x${test_sfdisk}" = "x" ] ; then
        echo "sfdisk: 2.26.x or greater"
        sfdisk_options="--force --no-reread"
        conf_boot_startmb="${conf_boot_startmb}M"
    fi

    LC_ALL=C sfdisk ${sfdisk_options} ${drive} <<-__EOF__
        ${conf_boot_startmb},,${sfdisk_fstype},*
    __EOF__
}

dual_partition () {
    echo "${drive}p2" > /var/resizerootfs
    conf_boot_startmb=${conf_boot_startmb:-"4"}
    conf_boot_endmb=${conf_boot_endmb:-"96"}
    sfdisk_fstype=${sfdisk_fstype:-"E"}

    sfdisk_options="--force --no-reread --Linux --in-order --unit M"
    test_sfdisk=$(LC_ALL=C sfdisk --help | grep -m 1 -e "--in-order" || true)
    if [ "x${test_sfdisk}" = "x" ] ; then
        echo "sfdisk: 2.26.x or greater"
        sfdisk_options="--force --no-reread"
        if [ "x${uboot_efi_mode}" = "xenable" ] ; then
            sfdisk_options="--force --no-reread --label gpt"
        fi
        conf_boot_startmb="${conf_boot_startmb}M"
        conf_boot_endmb="${conf_boot_endmb}M"
    fi

    LC_ALL=C sfdisk ${sfdisk_options} ${drive} <<-__EOF__
        ${conf_boot_startmb},${conf_boot_endmb},${sfdisk_fstype},*
        ,,,-
    __EOF__
}

expand_partition () {
    if [ -f /boot/SOC.sh ] ; then
        . /boot/SOC.sh
    fi

    if [ "x${boot_drive}" = "x/dev/mmcblk0p1" ] ; then
        drive="/dev/mmcblk0"
    elif [ "x${boot_drive}" = "x/dev/mmcblk1p1" ] ; then
        drive="/dev/mmcblk1"
    else
        echo "Error: script halting, could not detect drive..."
        exit 1
    fi

    echo "Media: [${drive}]"

    if [ "x${boot_drive}" = "x${root_drive}" ] ; then
        single_partition
    else
        dual_partition
    fi
}

expand_partition
echo "reboot"
#
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