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From: Paul Eggleton <paul.eggleton@linux.intel.com>
To: Rich Bayliss <richbayliss@gmail.com>
Date: Sun, 04 Aug 2013 23:35:53 +0100
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Subject: Re: [meta-raspberrypi] Read-Only RootFS is not read only
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On Sunday 04 August 2013 01:27:01 Rich Bayliss wrote:
> On 2 August 2013 13:47, Paul Eggleton <paul.eggleton@linux.intel.com> wrote:
> > On Tuesday 30 July 2013 11:43:43 Rich Bayliss wrote:
> >> I am trying to build for Raspberry Pi including "read-only-rootfs" in
> >> my image features. My aim is to have my SD Card read-only and at some
> >> point add a read-write overlay to certain directories. This should
> >> enable my system to boot fresh each time, and have some persistent
> >> storage for user files etc.
> >> 
> >> However, after building my image I can SSH into the system and issue
> >> "touch test" to create a file in my home directory, then after a
> >> reboot it is still there. That isn't very read-only :)
> >> 
> >> Am I missing something, or is this working incorrectly?
> > 
> > It sounds like it's working incorrectly. Since meta-raspberrypi constructs
> > the SD card image using its own custom class I wonder if it has anything
> > to do with that. Andrei, do you know anything about this?
> > 
> > BTW, are you using sysvinit or systemd in this image?
>
> I am using the standard sysvinit/systemd - I haven't specified either,
> so whichever is default.

Except the default depends upon what DISTRO you are using. Which DISTRO are 
you using - "poky" or something else?

Cheers,
Paul

-- 

Paul Eggleton
Intel Open Source Technology Centre