Freeze SO Linux, it's possible?

[Florian Diesch]

Bart Silverstrim <bsilver at chrononomicon.com> wrote:

> Bart Silverstrim wrote:
>> Carlos Carrero Gutierrez wrote:
>>> Hi, i would like to freeze my linux in order to freeze the OS, then,
>>> when I reboot the computer all changes that i made in the computer
>>> dissapears and it returns to the previous OS freezed.
>>>
>>> In windows there is something similar, called "Deep Freeze" (it's
>>> freeware).
>> 
>> If it's freeware it would only be for personal use...we license it and 
>> it's definitely not free.
>
> As a side note, no, I've never found similar-type software for Linux to 
> "Freeze" it despite looking around. The closest I've come is imaging 
> software or using Linux in a virtual machine (like VirtualBox) and using 
> snapshots to revert to a previous state.

All you need is to revert any changes to the file system. Using FUSE
you could redirect read and write operations to some temporary storage.

<http://invaders.mars-attacks.org/~boklm/copyfs/> does something
similar. Maybe it could be modified to not keep the intermediate versions.


   Florian
-- 
<http://www.florian-diesch.de/>
-----------------------------------------------------------------------
**  Hi! I'm a signature virus! Copy me into your signature, please!  **
-----------------------------------------------------------------------