Difference between revisions of "EBC Exercise 03 Installing a Beagle OS"

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{{YoderHead}}
  
In this class we run [http://www.angstrom-distribution.org/ The Ångström Distribution] on the BeagleBoard. Ångström is a stable and user-friendly distribution of Linux for embedded devices like handhelds, set top boxes and network-attached storage devices and the BeagleBoard.
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In this class we run [https://www.debian.org/ The Debian Distribution] on the BeagleBoard. Here's how to load the Debian image we'll be using on an SD card.  First get a microSD card that holds at least 8G.
 +
== Downloads ==
 +
There are two items you need to download, the image to copy to your SD card and the software to copy it.  
  
Here's how to load the Ångström image we'll be using on an SD card.  First get a microSD card that holds at least 4G.
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Use '''balenaEtcher''' to copy to your SD card.  Download it from here: https://etcher.balena.io/.  It runs on Linux, Mac or Windows, so pick your favorite OS and install it.
== Kernel 3.8 ==
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Or
This is the kernel used for the Fall 2013 class.
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host$ '''sudo apt install balena-etcher-electron'''
 +
host$ '''cd /usr/bin'''
 +
host$ '''rm balena-etcher-electron'''
 +
host$ '''sudo ln -s /opt/balenaEtcher/balena-etcher-electron .'''
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host$ '''balena-etcher-electron --no-sandbox --disable-gpu-sandbox --disable-seccomp-filter-sandbox'''
  
Follow these [http://beagleboard.org/Getting%20Started#update instructions] for setting up your Bone to run the lastest OS.
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From https://cloudsmith.io/~balena/repos/etcher/setup/#formats-deb and https://github.com/balena-io/etcher/issues/3761
  
== Kernel 3.2 ==
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There are many versions of Debian we could use. Browse to https://forum.beagleboard.org/t/debian-11-x-bullseye-monthly-snapshot-2023-10-07/31280 and download [https://rcn-ee.com/rootfs/release/2023-10-07/bullseye-iot-armhf/am335x-debian-11.8-iot-armhf-2023-10-07-4gb.img.xz '''am335x-debian-11.8-iot-armhf-2023-10-07-4gb.img.xz''']
  
This is the kernel used for the Fall 2012 class.
 
  
=== Download and write a copy of the Ångström image ===
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If you want to be on the leading (bleeding?) edge (not recomended),
==== bone ====
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browse to https://forum.beagleboard.org/t/debian-12-x-bookworm-monthly-snapshot-2023-10-07/36175 and download [https://rcn-ee.com/rootfs/release/2023-10-07/bookworm-iot-armhf/am335x-debian-12.2-iot-armhf-2023-10-07-4gb.img.xz '''am335x-debian-12.2-iot-armhf-2023-10-07-4gb.img.xz''']
  
I'm presently running the SD image that comes with [http://circuitco.com/support/index.php?title=BeagleBone_A6A_Image_08.14.2012 BeagleBone Rev A6A]. Here are the [http://circuitco.com/support/index.php?title=BeagleBone_A6A_Image_08.14.2012 Release Notes].
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== Copying to your SD card ==
 +
# Start up balenaEtcher.
 +
# Select the image you downloaded (no need to uncompress it).
 +
# Put your SD card in the reader and select it.
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# Click '''Flash!''' and wait for it to finish.
  
If you are on campus do
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Once the SD card is flashed, put it in your Bone and boot it up.
 
 
host$ '''cd Downloads'''
 
host$ '''wget http://www.rose-hulman.edu/~yoder/Beagle/BeagleBone_Rev_A6A_Production_08_14_2012.7z'''
 
host$ '''wget http://www.rose-hulman.edu/~yoder/Beagle/BeagleBone_Rev_A6A_Production_08_14_2012.md5'''
 
 
 
If you are off campus
 
 
 
host$ '''cd Downloads'''
 
host$ '''wget http://circuitco.com/support/files/BeagleBone-A6A/BeagleBone_Rev_A6A_Production_08_14_2012.7z'''
 
host$ '''wget http://circuitco.com/support/files/BeagleBone-A6A/BeagleBone_Rev_A6A_Production_08_14_2012.md5'''
 
 
 
The first  '''wget''' command gets the disk image.  The second gets the checksum. Uncompress the image and verify that it was downloaded correctly.
 
 
 
host$ '''sudo apt-get install p7zip-full'''
 
host$ '''7z e BeagleBone_Rev_A6A_Production_08_14_2012.7z'''  (takes about 2.5 minutes)
 
host$ '''cat BeagleBone_Rev_A6A_Production_08_14_2012.md5'''
 
# MD5 checksums generated by MD5summer (http://www.md5summer.org)
 
# Generated 8/27/2012 10:37:00 AM
 
 
8e9a97f73c26fdc5746862c5a447e652 *BeagleBone_Rev_A6A_Production_08_14_2012.7z
 
4de07c7f0023ac063854be67752ce066 *BeagleBone_Rev_A6A_Production_08_14_2012.img
 
 
beagle$ '''md5sum BeagleBone_Rev_A6A_Production_08_14_2012.7z'''
 
8e9a97f73c26fdc5746862c5a447e652  BeagleBone_Rev_A6A_Production_08_14_2012.7z
 
 
 
If the numbers from the '''cat''' command match the numbers from the '''md5sum''' command, then you have a good image. Insert your microSD card in a reader/writer and find the path to it by running '''System:Administration:Disk Utility'''.  You will see
 
 
 
[[File:Screenshot-Disk_Utility.png| 400x293px]]
 
 
 
The path is in the upper right.
 
 
 
Then enter (if you're using Ubuntu, note the use of the '''sudo''' command):
 
 
 
host$ '''sudo dd if=BeagleBone_Rev_A6A_Production_08_14_2012.img of=/dev/sd''X'' bs=8M''' 
 
 
 
Where <code>/dev/sd''X''</code> is the path to your SD card.  This may take 10 minutes.  Mine took about 7.5.
 
 
 
Plug the card into your BeagleBone and boot.  Try the following commands.
 
 
 
beagle$ '''uname -a'''
 
Linux beaglebone 3.2.18 #1 Thu Jun 14 23:26:20 CEST 2012 armv7l GNU/Linux
 
beagle$ '''cat /proc/cmdline'''
 
console=ttyO0,115200n8 run_hardware_tests quiet root=/dev/mmcblk0p2 ro
 
rootfstype=ext4 rootwait ip=none
 
 
 
==== xM ====
 
Download a copy of the image [http://www.rose-hulman.edu/~yoder/Beagle/ here].  You'll see several files here.  You want to download '''ETC2012.img.bz2''' and '''ETC2012.img.bz2.md5'''.  The first is some 1.5G, so it will take a while.  The second is a check sum file for the first. 
 
 
 
Once you have the two files and the card, what you do with them depends on what OS you are running.
 
 
 
host$ '''md5sum ETC2012.img.bz2'''
 
host$ '''cat ETC2012.img.bz2.md5'''
 
 
 
The two command should show the same thing
 
6610e1ea35febc5e9016734213bdba68  ETC2012.img.bz2
 
 
 
If your results match you have successfully downloaded the image and can move on.  If they don't match, try downloading again.
 
 
 
Next uncompress the image. 
 
host$ '''bunzip2 -k ETC2012.img.bz2'''
 
The '''-k''' says to keep the compressed file.  This will take a few minutes. 
 
 
 
Insert your microSD card in a reader/writer and find the path to it by running '''System:Administration:Disk Utility'''.  You will see
 
 
 
[[File:Screenshot-Disk_Utility.png| 400x293px]]
 
 
 
The path is in the upper right.
 
 
 
Then enter (if you're using Ubuntu, note the use of the '''sudo''' command):
 
 
 
host$ '''sudo dd if=ETC2012.img  of=/dev/sd''X'' bs=256M'''
 
host$ '''sync'''
 
 
 
Where <code>/dev/sd''X''</code> is the path to your SD card.  This may take 10 minutes.  Mine took about 7.5.
 
 
 
During this time the cursor may merely blink, don't worry, its not frozen. This command is rather basic and simply doesn't provide any feed back until completion.
 
 
 
An alternative recipe is to uncompress and write the content to your SD card all in one move (again, if you're using Ubuntu, note the need for '''sudo'''):
 
 
 
host$ '''bunzip2 -c ETC2012.img.bz2 | sudo dd of=/dev/sd''X'' bs=256M'''
 
 
 
so that you don't have to uncompress the image file first.
 
 
 
== Writing an SD card via Windows ==
 
 
 
The following instructions come from [http://code.google.com/p/beagleboard/wiki/BeagleBoardDiagnosticsNext here].
 
 
 
To initialize your card under Windows, you can do the following:
 
 
 
# Download and install [https://wiki.ubuntu.com/Win32DiskImager Ubuntu's Win32DiskImager] (also known as the [https://launchpad.net/win32-image-writer/ win32-image-writer]).
 
# Download and install [http://www.7-zip.org/ 7-zip compression software]. (Or use winRAR)
 
# Decompress '''ETC2012.img.bz2''' image file using 7-zip (or winRAR).
 
# Insert >=4GB SD card into the reader/writer.
 
# Start the Win32DiskImager.
 
# Select '''ETC2012.img''' and correct SD card location.
 
# Click on '''Write'''.
 
After the image writing is done (this will take some 10 minutes), eject the SD card.
 
  
 
{{YoderFoot}}
 
{{YoderFoot}}

Latest revision as of 07:02, 13 December 2023

thumb‎ Embedded Linux Class by Mark A. Yoder


In this class we run The Debian Distribution on the BeagleBoard. Here's how to load the Debian image we'll be using on an SD card. First get a microSD card that holds at least 8G.

Downloads

There are two items you need to download, the image to copy to your SD card and the software to copy it.

Use balenaEtcher to copy to your SD card. Download it from here: https://etcher.balena.io/. It runs on Linux, Mac or Windows, so pick your favorite OS and install it. Or

host$ sudo apt install balena-etcher-electron
host$ cd /usr/bin
host$ rm balena-etcher-electron
host$ sudo ln -s /opt/balenaEtcher/balena-etcher-electron .
host$ balena-etcher-electron --no-sandbox --disable-gpu-sandbox --disable-seccomp-filter-sandbox

From https://cloudsmith.io/~balena/repos/etcher/setup/#formats-deb and https://github.com/balena-io/etcher/issues/3761

There are many versions of Debian we could use. Browse to https://forum.beagleboard.org/t/debian-11-x-bullseye-monthly-snapshot-2023-10-07/31280 and download am335x-debian-11.8-iot-armhf-2023-10-07-4gb.img.xz


If you want to be on the leading (bleeding?) edge (not recomended), browse to https://forum.beagleboard.org/t/debian-12-x-bookworm-monthly-snapshot-2023-10-07/36175 and download am335x-debian-12.2-iot-armhf-2023-10-07-4gb.img.xz

Copying to your SD card

  1. Start up balenaEtcher.
  2. Select the image you downloaded (no need to uncompress it).
  3. Put your SD card in the reader and select it.
  4. Click Flash! and wait for it to finish.

Once the SD card is flashed, put it in your Bone and boot it up.




thumb‎ Embedded Linux Class by Mark A. Yoder