[gentoo-embedded] Gnap appliance overlay help

[gentoo-embedded] Gnap appliance overlay help

[Gerhardt Lachnitt]

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I am attempting to create a gnap with a custom overlay.  Following the
Gentoo Network Appliance (GNAP) User Guide, I created my overlay
directory and then executed the command:

gnap_overlay -i myfirewall.iso -o myoverlay/

This successfully creates an iso.  I don't have a burner in my Gentoo
machine so I transfer the iso to a Windows box and burn it.  The
resulting disc boots up just fine.  However, when I log into it, the
files I put in my overlay don't appear on the disk.  There is an
overlay.tgz archive in the cd's root folder that contains my overlay
directory, but it doesn't appear to be applied anywhere.

It is my understanding that the overlay files should be merged into the
disk's resulting file system.  Do I misunderstand their purpose, or have
I missed a step somewhere?

Thanks in advance,
Gerhardt

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N:Lachnitt;Gerhardt
FN:Gerhardt Lachnitt
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TITLE:Network Administrator
TEL;WORK;VOICE:(319) 753-9119
TEL;CELL;VOICE:(319) 759-7426
TEL;WORK;FAX:(319) 758-8307
ADR;WORK:;;222 N. Main St.;Burlington;IA;52601;United States of America
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[gentoo-embedded] Gnap appliance overlay help

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Re: [gentoo-embedded] Gnap appliance overlay help

[Thierry Carrez]

Gerhardt Lachnitt wrote:
> I am attempting to create a gnap with a custom overlay.  Following the
> Gentoo Network Appliance (GNAP) User Guide, I created my overlay
> directory and then executed the command:
> 
> gnap_overlay -i myfirewall.iso -o myoverlay/
> 
> This successfully creates an iso.  I don't have a burner in my Gentoo
> machine so I transfer the iso to a Windows box and burn it.  The
> resulting disc boots up just fine.  However, when I log into it, the
> files I put in my overlay don't appear on the disk.  There is an
> overlay.tgz archive in the cd's root folder that contains my overlay
> directory, but it doesn't appear to be applied anywhere.
> 
> It is my understanding that the overlay files should be merged into the
> disk's resulting file system.  Do I misunderstand their purpose, or have
> I missed a step somewhere?

Only a few directories are in fact "writeable" on a LiveCD (/etc, /var,
/root...). Where are you trying to add files using your overlay ?

-K
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RE: [gentoo-embedded] Gnap appliance overlay help

[Gerhardt Lachnitt]

 
The files were only the ones from the tutorial in the /etc directory.  I
tried it again today, and the process seemed to work.  I must have made
a mistake earlier.

Thanks,
Gerhardt

-----Original Message-----
From: Thierry Carrez [mailto:koon@gentoo.org] 
Sent: Tuesday, November 14, 2006 1:16 PM
To: gentoo-embedded@lists.gentoo.org
Subject: Re: [gentoo-embedded] Gnap appliance overlay help

Gerhardt Lachnitt wrote:
> I am attempting to create a gnap with a custom overlay.  Following the

> Gentoo Network Appliance (GNAP) User Guide, I created my overlay 
> directory and then executed the command:
> 
> gnap_overlay -i myfirewall.iso -o myoverlay/
> 
> This successfully creates an iso.  I don't have a burner in my Gentoo 
> machine so I transfer the iso to a Windows box and burn it.  The 
> resulting disc boots up just fine.  However, when I log into it, the 
> files I put in my overlay don't appear on the disk.  There is an 
> overlay.tgz archive in the cd's root folder that contains my overlay 
> directory, but it doesn't appear to be applied anywhere.
> 
> It is my understanding that the overlay files should be merged into 
> the disk's resulting file system.  Do I misunderstand their purpose, 
> or have I missed a step somewhere?

Only a few directories are in fact "writeable" on a LiveCD (/etc, /var,
/root...). Where are you trying to add files using your overlay ?

-K
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