Radarcape:SD Card Howto: Difference between revisions

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==Prerequisites==
==Prerequisites==
* a capability to write 4GB size SDHC Micro-SD cards on a native Linux PC or the Radarcape and an USB SD card reader (I am using a Kingston FCR-HS219).
* a capability to write 4GB size SDHC Micro-SD cards on a native Linux PC or the Radarcape and an USB SD card reader (I am using a Kingston FCR-HS219).
* [[http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html Putty]] SSH client for Windows installed on your PC.
* [http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html Putty] SSH client for Windows installed on your PC.
* Putty can be used for both, the back side serial port via USB-Serial as well as for a SSH console via network. The network name of the Radarcape is given on the sticker on the device, e.g. rc22. The account name is root and normally there is no password, so only press enter when beeing asked for the password.<br />(Note: However, when mounting network drives using samba, there is a password for root, that is different to the one for login)
* Putty can be used for both, the back side serial port via USB-Serial as well as for a SSH console via network. The network name of the Radarcape is given on the sticker on the device, e.g. rc22. The account name is root and normally there is no password, so only press enter when beeing asked for the password.<br />(Note: However, when mounting network drives using samba, there is a password for root, that is different to the one for login)
* Eventually a micro USB cable for the rear USB port (the one besides the SMA connector)
* Eventually a micro USB cable for the rear USB port (the one besides the SMA connector)
* An Internet connection for the Radarcape
* An Internet connection for the Radarcape


==Restore the SD card using the Radarcape and a SD card reader==
==Restore the SD card using the Radarcape and a SD card reader==

Revision as of 16:18, 3 October 2013

Howto Install the Linux OS on the Radarcape

This page describes how you can install a Linux system on the SD card. This is a bring up from zero and is necessary if you want to start from the beginning or if major changes have been applied to the Linux itself.


Prerequisites

  • a capability to write 4GB size SDHC Micro-SD cards on a native Linux PC or the Radarcape and an USB SD card reader (I am using a Kingston FCR-HS219).
  • Putty SSH client for Windows installed on your PC.
  • Putty can be used for both, the back side serial port via USB-Serial as well as for a SSH console via network. The network name of the Radarcape is given on the sticker on the device, e.g. rc22. The account name is root and normally there is no password, so only press enter when beeing asked for the password.
    (Note: However, when mounting network drives using samba, there is a password for root, that is different to the one for login)
  • Eventually a micro USB cable for the rear USB port (the one besides the SMA connector)
  • An Internet connection for the Radarcape

Restore the SD card using the Radarcape and a SD card reader

For this step, you need a SDHC capable SD card reader connected to the front side USB expansion port of your Beaglebone. I am using a Kingston FCR-HS219 SD card for this purpose. Keep the SD card removed in order to meet below description

After connecting, you need to reset your Radarcape. Either power cycle it or enter “reboot” if you already have a console opened on the Linux. After rebooting, establish a Putty terminal connection to your Radarcape. Preferably to the back side USB console, but SSH will do as well.

Now enter the command

dmesg | grep " sd "

The output will show if the SD card reader was detected properly, it should tell you somehow

[    3.021715] sd 0:0:0:0: [sda] Attached SCSI removable disk
[    3.034153] sd 0:0:0:1: [sdb] Attached SCSI removable disk
[    3.045395] sd 0:0:0:2: [sdc] Attached SCSI removable disk
[    3.058879] sd 0:0:0:3: [sdd] Attached SCSI removable disk

Now insert the SD card into the matching slot. If your connection is the back side USB, you will see below message on the screen anyway, otherwise enter above command again. Look for lines like this:

[   81.515519] sd 0:0:0:3: [sdd] 7744512 512-byte logical blocks: (3.96 GB/3.69 GiB)
[   81.530594] sd 0:0:0:3: [sdd] No Caching mode page present
[   81.536033] sd 0:0:0:3: [sdd] Assuming drive cache: write through
[   81.550295] sd 0:0:0:3: [sdd] No Caching mode page present
[   81.555742] sd 0:0:0:3: [sdd] Assuming drive cache: write through

This means that a 3.96GB card was inserted into drive sdd. Remember this drive name.

Next step is to download and run the install skript from the server. Enter the commands below

rm -rf bb_make-Angstrom-new.sh
wget http://www.modesbeast.com/resources/bb_make-Angstrom-new.sh
sh ./bb_make-Angstrom-new.sh sdd

Remember that in the 3rd line you eventually need to replace sdd in case that your SD card is not named sdd Answer the questions and else let the script go.

After a short while the SD card is ready. Then swap the SD cards and store the one used until now on a safe place until your new card is operating correctly. '


Restore the SD card image on native Linux

Download the script

wget http://www.modesbeast.com/resources/make-Angstrom-new.sh

and execute it with the drive name of your SD card:

sh ./make-Angstrom-new.sh [mmcblk0|sdd]