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

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m (Download a copy of the Ångström image: Updated for ETC2012 image)
m (Some typo fixes, plus add how to use "bunzip2 -c".)
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[[Category:ECE497]]
 
[[Category:ECE497]]
  
In this class we run [http://www.angstrom-distribution.org/ The Ångström Distribution] on the BeagleBoard. Ångström is a stable and userfriendly distribution if 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 [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.
  
 
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.
 
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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== Download a copy of the Ångström image ==
 
== Download a copy of the Ångström image ==
  
Download a copy of the image [http://www.rose-hulman.edu/~yoder/Beagle/ here].  You see several files listed 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.   
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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.
 
Once you have the two files and the card, what you do with them depends on what OS you are running.
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The '''-k''' says to keep the compressed file.  This will take a few minutes.   
 
The '''-k''' says to keep the compressed file.  This will take a few minutes.   
  
Insert your microSD card in a reader/writre and find the path to it by running '''System:Administration:Disk Utility'''.  You will see
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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]]
 
[[File:Screenshot-Disk_Utility.png| 400x293px]]
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Then enter:
 
Then enter:
  
  host$ '''dd if=ETC2012.img  of=/dev/sd''X'' bs=8M'''
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  host$ '''dd if=ETC2012.img  of=/dev/sd''X'' bs=256M'''
 
  host$ '''sync'''
 
  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.
 
Where <code>/dev/sd''X''</code> is the path to your SD card.  This may take 10 minutes.  Mine took about 7.5.
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An alternative recipe is to uncompress and write the content to your SD card all in one move:
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host$ '''bunzip2 -c ETC2012.img.bz2 | dd of=/dev/sd''X'' bs=256M'''
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so that you don't have to uncompress the image file first.
  
 
=== Writing an SD card via Windows ===
 
=== Writing an SD card via Windows ===
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You should now have a functioning SD card image. Plug it into your BeagleBoard and boot it up.
 
You should now have a functioning SD card image. Plug it into your BeagleBoard and boot it up.
  
The root password is '''test'''.
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While the root password used to be '''test''', there appears to be no password on the root account in this image.

Revision as of 22:16, 26 February 2012


In this class we run 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.

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.

Download a copy of the Ångström image

Download a copy of the image 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.

Writing an SD card via Linux

If you are running Linux type:

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. If that doesn't work, contact me.

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

Screenshot-Disk Utility.png

The path is in the upper right.

Then enter:

host$ dd if=ETC2012.img  of=/dev/sdX bs=256M
host$ sync

Where /dev/sdX is the path to your SD card. This may take 10 minutes. Mine took about 7.5.

An alternative recipe is to uncompress and write the content to your SD card all in one move:

host$ bunzip2 -c ETC2012.img.bz2 | dd of=/dev/sdX 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 here.

To initialize your card under Windows, you can do the following:

  1. Download and install Ubuntu's Win32DiskImager (also known as the win32-image-writer).
  2. Download and install 7-zip compression software. (Or use winRAR)
  3. Decompress ETC2012.img.bz2 image file using 7-zip (or winRAR).
  4. Insert >=4GB SD card into the reader/writer.
  5. Start the Win32DiskImager.
  6. Select ETC2012.img and correct SD card location.
  7. Click on Write.

After the image writing is done (this will take some 10 minutes), eject the SD card.

Boot your Beagle

You should now have a functioning SD card image. Plug it into your BeagleBoard and boot it up.

While the root password used to be test, there appears to be no password on the root account in this image.