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Re: install read only system



>if I understand piotr correct she/he wants to have his live system (as
>usually on USB or DVD) to run from HDD. So he wants to use a HDD (SSD?)
>as medium for his live-system.
>
>Marco

Yep Marco, you've understand correctly what I want.

greetings
Piotr


on Jun 08, 2013, Marco Lechner - FOSSGIS e.V. <marco.lechner@fossgis.de> wrote:
>
>Hi,
>
>if I understand piotr correct she/he wants to have his live system (as
>usually on USB or DVD) to run from HDD. So he wants to use a HDD (SSD?)
>as medium for his live-system.
>
>Marco
>
>Am 08.06.2013 02:24, schrieb Ben Armstrong:
>> On 07/06/13 07:56 PM, piotr wrote:
>>> I would like to do a fix installation of live on 500MB flash drive. 
>>> Howto install Wheezy READ ONLY system on a PC/Notebook 1:1 from usb with live hdd
>using Live Installer?
>> Clearly you have specific things in mind when you say "read only" and
>> "1:1", but truly I cannot make sense of either of them.
>>
>> In its strictest sense, a read-only system is absolutely useless. You
>> must be able to write *somewhere* to store the changing state of the
>> running system, even if only in a ramdisk. Live systems are such a
>> system, with a read-only layer in a union filesystem with a cow
>> (copy-on-write) layer in tmpfs. So if what you really want is a live
>> system, why bother installing it? Just run the live system.
>>
>> What do you really mean by 1:1? A live system and an installed system
>> are very different in how they boot and how they operate after they
>> boot, so of course it is not really a 1:1 copy. You end up with a lot of
>> the same material as you did on the live system, but the copy is not
>> exact, as the live-specific bits are removed. But if the live-specific
>> bits are removed, then it doesn't satisfy your "read-only" goal ... and
>> again, if you wanted a read-only system, why not just run a live system?
>>
>> So I'm left confused by your terminology, because you haven't really
>> explained what you want in the end. If you want to run a live system,
>> you really don't want to use live-installer to install it. You just want
>> to put the live system itself on the boot drive of your system (via,
>> say, dd or so -- or if you don't want to wipe out all partitions on that
>> drive, you'll have to just take the files themselves and manually set up
>> the bootloader to boot into it).
>>
>> Ben
>>
>>
>
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