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Re: How should I set the overlay and home options of livecd-iso-to-disk ?



On Sun, Dec 21, 2008 at 3:00 PM, Linuxguy123 <linuxguy123 gmail com> wrote:
> I've been using the livecd-iso-to-disk utility to make F10 KDE4.1.8x
> Live USB installations.  It works pretty well.
>
> But I am not exactly sure what a couple of the options mean.  I'm just
> using them.
>
> Here is the wiki:
> http://fedoraproject.org/wiki/FedoraLiveCD/USBHowTo
>
>
> Here is what the usage info tells me:
>
> =====================================================================
> # livecd-iso-to-disk
> /usr/bin/livecd-iso-to-disk [--reset-mbr] [--noverify]
> [--overlay-size-mb <size>] [--home-size-mb <size>] [--unencrypted-home]
> <isopath> <usbstick device>
> =====================================================================
>
> >From the man pages:
>
> =====================================================================
> LIVECD-ISO-TO-DISK(8)            LiveCD Tools
> LIVECD-ISO-TO-DISK(8)
>
> NAME
>       livecd-iso-to-disk, install livecd-creator images in usb stick
>
> SYNOPSIS
>       livecd-iso-to-disk [--reset-mbr] [--noverify] [--overlay-size-mb
> <size>] <isopath> <usbstick device>
>
> DESCRIPTION
>       livecd-iso-to-disk converts a live cd or dvd image into a
> bootable USB stick. This is not a destructive process; any data you
> currently have
>       on your USB stick will be preserved.
>
> OPTIONS
>       --reset-mbr
>           Resets Master Boot Record of usb stick by copying syslinux's
> mbr.bin.
>
>       --noverify
>           Disables image validation before installing it.
>
>       --overlay-size-mb
>           Overlay's size in megabytes. Note that you'll need to have
> space on your USB stick for the live image plus your overlay plus any
> other
>           data you want on the stick.
> ...
>
> ===========================================================================
>
> The command I am actually using is:
>
> # livecd-iso-to-disk --reset-mbr --noverify --overlay-size-mb 100
> --home-size-mb 150 --unencrypted-home
> --delete-home /home/xxx/Download/f10-kde-4.1.85-3/livecd-f10-kde-4.1.85-200812181534.iso /dev/sdc1
>
>
> I don't understand what the overlay is and what is stored in it ?
>
> Does the home directory reside within the overlay or is it outside it ?
>
> On a 4GB USB drive, how large should I make /home and overlay ?
>
> Thanks
>
>
>
>
>
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>

Overlay is essentially (as I understand) a pseudo filesystem for your
usb drive so your data
can be persistent and you can actually save stuff in you "live" usb!!

-- 
Armin

"Character is a muscle"


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