[SoaS] [SugarClone] -was Re: You scream, I scream, ...

[Frederick Grose]

On Tue, Jul 6, 2010 at 11:44 PM, Frederick Grose <fgrose at gmail.com> wrote:
>
> Another small update is available for Sugar Clone, a tool to clone a
> customized Sugar on a Stick installation onto another USB stick.
>

Re: http://wiki.sugarlabs.org/go/Sugar_on_a_Stick/Sugar_Clone

>
Available at:

>
http://people.sugarlabs.org/fgrose/SugarClone

>

New:

>
1. Substituted the underlying modified_livecd-iso-to-disk shell script
   to match the proposed updates to livecd-iso-to-disk for the Fedora
   livecd-tools component.

>

> 2. The above includes the copy-home and copy-overlay options as before,
   but fixes a few logic bugs while warning about the available free
   space for the installation.

>
3. It also updates the local variable names to match the more general
   scope of the image exchange (for example, $SRC replaces $ISO and
   $TGTDEV replaces $USBDEV).

4. Updated the internal usage help messages.  The option --help displays
   the complete manual.

5. Standardized the Bash conditional expression and list pipeline style
 to the more modern, [[ Expression && Expression ]] format.
 (See http://wiki.bash-hackers.org/syntax/ccmd/conditional_expression.)
 This means that variables within the special double brackets need not
 be quoted, and the old, test-type operators -a, -o should not be used.

>
6. Standardized the whitespace to make the code much more readable.

>

Test Usage:

>
1. Before booting the SoaS device that will be the source of the new

>    Sugar Clone, copy the SugarClone script to the root, '/', folder at

>    the base of the filesystem for the device, or, to /mnt/live (from

>    the perspective of a running LiveOS image).

>
2. Boot the computer from the USB stick into SoaS, and insert, or have

>    a second USB device inserted, into the computer.

>
3. In the Terminal Activity of that running SoaS image, enter the

>    command,

>
      /mnt/live/SugarClone

>
If there is more than one USB/SD storage device available, a menu of
the devices will appear allowing you to select the target device.

>
The scripts will copy the currently running image to the target device. When
that device is booted, a new, Sugar Learner sign-in will be triggered.  The
previously customized Journal and operating system will be present on the
Sugar Clone.

>

On a running LiveOS image, the root folder of the USB/SD device is

> available at the /mnt/live mount point.  The SugarClone script can be
obtained (assuming Internet connectivity) as follows:

>

1. In the Terminal Activity, change the working directory:

>
   cd /mnt/live

>
2. wget http://people.sugarlabs.org/fgrose/SugarClone

>
3. chmod +x SugarClone

>
at this point, you may simply execute

>
   SugarClone

>

See http://wiki.sugarlabs.org/go/Sugar_on_a_Stick/Sugar_Clone for

> more information.

>

Notes:

>
See http://wiki.sugarlabs.org/go/LiveOS_image for more information

> on optimizing file storage for LiveOS images.  Information and

> suggestions there may be particularly relevant for SoaS deployments

> that want to use the stock LiveOS installation with greater capacity

> for Activity storage with a longer lifetime for the write-once,

> ever-diminishing persistent overlay.

>
See also the http://wiki.sugarlabs.org/go/Activities/Toaster project,

> which aims to make a graphical Sugar Activity for cloning Sugar images.

>
      --Fred
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