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doc:olpcimg:english [2008/01/28 02:27]
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doc:olpcimg:english [2009/07/06 20:36] (current)
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 ====== OLPC image with sahana ====== ====== OLPC image with sahana ======
  
-This guide shows you how to use the sahana olpc image.+This guide shows you how to use the sahana olpc image to create a bootable USB diskFor some background on the advantage of using OLPC for disaster management with Sahana see this [[http://groups.yahoo.com/group/humanitarian-ict/message/3290|thread]] 
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 +{{doc:olpcimg:doc:olpcimg:s5003105sr.jpg|}}{{doc:olpcimg:doc:olpcimg:s5003106s.jpg|}} 
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 +You can see more pictures [[doc:olpcimg:Pictures|here]] 
  
 ===== Requirements ===== ===== Requirements =====
  
   * Sahana OLPC image - OLPC image with sahana.   * Sahana OLPC image - OLPC image with sahana.
-  * A USB pen >= 1GB  - The minimum requirement is 1GB flash drive and it is better if you have a higher capacity flash drive if you are planing to use this system for actual data collection. +  * A USB pen >= 1GB  - The minimum requirement is 1GB flash drive and it is better to have a higher capacity flash drive if you are planing to use this system for actual data collection. 
   * dd command - You need dd command to flash the usb pen. ( You can find it in a GNU/Linux system )   * dd command - You need dd command to flash the usb pen. ( You can find it in a GNU/Linux system )
   * OLPC laptop - If you want you can also use a emulator. For more information on emulating see [[http://wiki.laptop.org/go/OS_images_for_emulation]]    * OLPC laptop - If you want you can also use a emulator. For more information on emulating see [[http://wiki.laptop.org/go/OS_images_for_emulation]] 
  
-===== Building a Dedicated USB disk ===== 
  
-  * Download the sahana olpc image from [[http://demo.sahana.lk/tmp/olpc/]]. This image contains the sahana 0.6 stable release.+===== Creating a Dedicated USB disk ===== 
 + 
 +  * Download the sahana olpc image from [[http://download.sahana.lk/olpc/]]. This image contains the sahana 0.6 stable release.
  
   * Unzip the images using bzip2 command.    * Unzip the images using bzip2 command. 
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   * Plug in the USB pen to your PC and unmount it. Remember you have to unmount the usb not to eject it. Type the following command in a console to do it.   * Plug in the USB pen to your PC and unmount it. Remember you have to unmount the usb not to eject it. Type the following command in a console to do it.
  
-<code> %> sudo umount /dev/<device> </code>+<code>%> sudo umount /dev/<device> </code>
  
 When you are issuing the above command change the <device> to USB pen's device file ( Ex: sdb1 or sdb2 ).  When you are issuing the above command change the <device> to USB pen's device file ( Ex: sdb1 or sdb2 ). 
  
  
-  * Next step is to flash the USB pen using the dd command.  +  * Next step is to flash the USB pen using the dd command. **WARNING** : By doing this you will loose all the data in the USB drive so back up data before you flash  the USB.
-  **WARNING** : By doing this you will loose all the data in the USB drive so back up data before you do it.+
  
 <code> <code>
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 ===== Booting OLPC ===== ===== Booting OLPC =====
  
-     * Plug the USB pen to the OLPC and turn on the machine. The olpc will detect the USB and use it's environment to boot the OLPC+     * Plug the USB pen to the OLPC and turn on the machine. The olpc will detect the USB and use it's environment to boot. 
      * This process will not alter the internal flash memory, all the changes will be done to the environment in the USB drive.       * This process will not alter the internal flash memory, all the changes will be done to the environment in the USB drive. 
      * Usually the first time boot will be bit slow because some software's need to be initialised.      * Usually the first time boot will be bit slow because some software's need to be initialised.
-     * Once the system is booted it will ask for a user name and a theme colour, select them according to your preference.( This happens only in first boot )+     * Once the system is booted it will ask for a user name and a theme colour, select them according to your preference.( This happens only at first boot )
      * Then you will be loged in to the suger environment. For more info on suger read [[http://wiki.laptop.org/go/Sugar]]      * Then you will be loged in to the suger environment. For more info on suger read [[http://wiki.laptop.org/go/Sugar]]
      * Now start the web browser by clicking the icon which represent a globe in the bottom menu.      * Now start the web browser by clicking the icon which represent a globe in the bottom menu.
      * The web browser will start and take you to the sahana installer.      * The web browser will start and take you to the sahana installer.
      * Use the installer to install sahana      * Use the installer to install sahana
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 ===== Tips ===== ===== Tips =====
  
      * If you need a console to configure the system press ( ALt + = ) This will open a terminal application. Also the ( Alt + Ctrl +F1 ) is available.      * If you need a console to configure the system press ( ALt + = ) This will open a terminal application. Also the ( Alt + Ctrl +F1 ) is available.
-     * Click the naberhood icon to connect to a WiFi access point.  +     * Click the neighborhood icon to connect to a WiFi access point. 
-     The system has openssh server+     [[http://talksahana.com/2008/06/12/sahana-on-olpc/ | TalkSahana Article on how to build the sahana olpc image.]] 
 + 
 +===== ToDo ===== 
 + 
 +  - Create an optimised image with minimum size. 
 +  - Removing Suger and using some other desktop environment like XFCE which is more user friendly for adults ;-). 
 +  - Making generic live usb which will work on any machine including OLPC laptop. 
 +  - ( Add any suggestions you have...)
  
  

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