Making OLPC Live CD

[Bryan Berry]

Awesome,

thanks Supat
I will try downloading it soon.  Do you make a new LiveCD for each new
build?

What's the status of OLPC Thailand?



On 2/2/07, supat at supat.eu.org <supat at supat.eu.org> wrote:
>
>
> I made LiveCD OLPC to work correctly under OLPC since July 2006.
> Ofcause ALL thing including Marvell Wireless and audio work correctly.
>
> It was also support mozilla, flash, mplayer, Open Office, Matvec, etc.
>
> It was done under slackware basis.
>
> You can d/l them at:
>
> http://supat.eu.org/OLPC/olpc_livecd.iso
> http://supat.eu.org/OLPC/olpc.tgz
>
> good luck,
> supat
> Associate Professor,
> Kasetsart Univ.
> Thailand
>
> On Thu, 1 Feb 2007, Bryan Berry wrote:
>
> > Manish, great job
> >
> > Let us know when you get the LiveCD booting.  Also, have you gotten a
> chance
> > to look at the Pilgrim code?
> > I'll try to play around w/ this tonight.
> >
> > It would be great if we could get Pilgrim to successfully build LiveCDs.
> > That way we would could hand out LiveCDs to Windows and Mac geeks, and
> even
> > *gasp* non-technical people.  Of course there are some Mac geeks out
> there
> > who know how to use Parallels :) but I imagine they are in the minority.
> >
> > I thought I tried the "-soundhw all" and "-soundhw" parameters each and
> it
> > didn't work for me.
> >
> > Manish, were you able to hear audio output?  Now we need to test audio
> input
> > into vm instance, particularly dual audio inputs.  I would love to
> somehow
> > test audioconferencing b/w two vm instances on the same machine.  Not
> sure
> > how to best do that.
> >
> >
> >
> >
> > On 1/30/07, Manish Regmi <manish at olpcnepal.org> wrote:
> >>
> >>
> >> Hi all,
> >>   Here is how we can make Bootable CD of olpc image.
> >>
> >> 1) Get the lastest ext2 image from laptop.org (or from bryan :) ).
> >> 2) It is merely an image of the MBR partitioned Disk (CMIIMW here). to
> >> view the partitions contained in it type:
> >>     #  fdisk -lu olpc.img
> >>
> >>    You will see something like this:
> >>
> >> You must set cylinders.
> >> You can do this from the extra functions menu.
> >>
> >> Disk olpc.img: 0 MB, 0 bytes
> >> 16 heads, 62 sectors/track, 0 cylinders, total 0 sectors
> >> Units = sectors of 1 * 512 = 512 bytes
> >>
> >>    Device Boot      Start         End      Blocks   Id  System
> >> olpc.img1              62      985055      492497   83  Linux
> >>
> >>   It means that disk image has just 1 partition
> >>
> >> 3) Setup the loopback device for that partition using the following
> >> command:
> >>     # sudo losetup /dev/loop0 olpc.img -o $((62 * 512))
> >>        (note: 62 in above command which means partition 1 starts at
> sector
> >> no 62)
> >>
> >> 4) Mount the loopback device.
> >>     #  sudo mount /dev/loop0 /mnt/tmp
> >>
> >> 5) Now the partition is mounted in /mnt/tmp. Copy everything to a
> >> temporary location you can edit few things to make it bootable CDROM.
> >>
> >>     # mkdir ~/olpccd
> >>     # cp -rv /mnt/olpccd/* ~/olpccd
> >>
> >> 6) To boot the CD using grub we will need "stage2_eltorito" file. Copy
> it
> >> from your system to olpc grub folder.
> >>     # cp /lib/grub/i386-pc/stage2_eltorito ~/olpccd/boot/grub/
> >>
> >>     (Note:    it was in /lib/grub path in my ubuntu 6.10.
> >>         It might be at other place or not installed at all in your
> system.
> >>
> >>         The command "where grub" will give you hint. usually /lib or
> >> /usr/lib or /usr/local/lib.
> >>     )
> >>
> >> 7) You may also need to rename grub.conf to menu.lst. Also change the
> >> grub.conf/menu.lst so that it can load the kernel from cd.
> >>    change "(hd0,x)" to "(cd)"
> >>   also write give the path of kernel image not the symlink (
> >> /boot/vmlinuz- 2.6.19xxxx not just /boot/vmlinuz)
> >>
> >> 8) Now create the iso image
> >>     # mkisofs -R -b boot/grub/stage2_eltorito -no-emul-boot
> >> -boot-load-size 4 -boot-info-table -o olpccd.iso ~/olpccd
> >>
> >> 9) boot it and enjoy.
> >>
> >>
> >>
> >>
> >> After booting dont get angry. Because the above thing is not supposed
> to
> >> not load the root fs. For that we need to setup ramdisk and write a
> small
> >> program or shell script to get livecd booting.
> >> I am sleepy and tired for to day and will try that tomorrow. :)
> >>
> >>
> >> --
> >> --------------------------------------------------------
> >> Manish Regmi
> >> OLPC Nepal
> >> --~--~---------~--~----~------------~-------~--~----~
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> >>
> >>
> >
>
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