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 Forum index » Advanced Topics » Cutting edge » Multi-session live-CD/DVD
Hiding previous multi-session saves on a live disc
Moderators: Flash, Ian, JohnMurga
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Flash
Official Dog Handler


Joined: 04 May 2005
Posts: 9846
Location: Arizona USA

PostPosted: Fri 14 Dec 2012, 09:44    Post subject:  

As I evidently failed to make clear in my previous post, the order that sessions are loaded from the DVD into RAM when Puppy boots doesn't seem to matter. Puppy's layered filesystem combines everything correctly no matter what. So that, for instance, if a file from an earlier session is deleted in a later session, that file does not show up after multisession Puppy boots.

Exactly how the layered filesystem works its magic I do not know. I believe there are several threads in the forum that discuss it in some detail. Good luck finding them. Laughing They are several years old. I think Puppy originally used Aufs for its layered filesystem, but then that was dropped in favor of a simpler method. I could be wrong. There may be something in Barry's blog about it. Look in his blog's archives.
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8-bit


Joined: 03 Apr 2007
Posts: 3012
Location: Oregon

PostPosted: Fri 14 Dec 2012, 12:26    Post subject:  

Flash,

But what about a system configuration file that was edited and saved in two separate sessions.

If the order of loading the sessions does not make any difference, then it is feasible that an earlier not wanted version of the file could replace the wanted version of the file.

I am still trying to get the multi-session DVD with Slacko 5.4 to remember and use my WIFI settings that I am using ndiswrapper with.

When I set it up, it works. I save the settings. But on the next boot, the wifi hardware is not seen and not set up automatically.

I have to set it up each time and that does not seem right to me.

So do I have to make a new multi-session DVD and set up everything all at once before it saves the first session?

This is bugging me as it does not seem to work at all like a hard drive frugal install with use of a pupsave file.
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Jasper


Joined: 25 Apr 2010
Posts: 870
Location: England

PostPosted: Fri 14 Dec 2012, 12:34    Post subject:  

Hi 8-bit,

Open your DVD and post a screen shot.

My regards
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8-bit


Joined: 03 Apr 2007
Posts: 3012
Location: Oregon

PostPosted: Fri 14 Dec 2012, 13:05    Post subject:  

I think the mind is the first thing to go!
I stated the multi-session DVD was Slacko 5.4 when it instead was Puppy Lupu 528.

But you asked for a screen shot, so here it is.
capture23400.png
 Description   My multi-session DVD contents as a screen shot.
 Filesize   27.22 KB
 Viewed   276 Time(s)

capture23400.png

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Jasper


Joined: 25 Apr 2010
Posts: 870
Location: England

PostPosted: Fri 14 Dec 2012, 14:15    Post subject:  

Hi 8-bit,

Your screen shot looks fine and there is no problem with
cumulative loading sequence, whatever and whenever you added
or deleted anything. Trust BarryK - it works.

With "puppy pfix=1" you will have the cumulative effect of
your first three files - pfix=2 your first two November files
and pfix=3 your original file - pfix=4 would be pointless, and
ordinary mortals should accept this order,

You might see how big your December folders are and you
could click to open them and check if your nds wrapper
details are as you expect them to be.

We can explain how to start again from any of your
existing four (or any subsequent) saves. However I have
never used an nds wrapper, so I'm out of touch there, at
least for now.

The whole multisession system works superbly for Flash and
myself and I have some 40 sfs files stored in a flash stick,
but with your 4 GB RAM (just over 3 GB usable) you
could use pets galore.

See if you can see or think of anything which might help us
to help you.

My regards
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gcmartin

Joined: 14 Oct 2005
Posts: 2630
Location: Earth

PostPosted: Fri 14 Dec 2012, 15:58    Post subject:  

I have and cintinue to use live media where I save back to the media versus to the USB/HDD.

Questions
  • Is the problem you share unique to 528, unique to Slacko54 or is it happening to all PUPs you use?
  • Is this where the system is NOT remembering the wireless SSID requiring re-running of "Setup Networking (task bar)" or is it requiring re-install of the driver PET for the wireless support?
  • Do you see prior session save files on your LIve media?
  • Does all of the other PETs you install behave as you expect when you reboot (for example you browser add-ons, etc.)?
Here to help.

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We are all related ... Its time to show that we know this!
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Flash
Official Dog Handler


Joined: 04 May 2005
Posts: 9846
Location: Arizona USA

PostPosted: Fri 14 Dec 2012, 16:13    Post subject:  

8-bit wrote:
...I am still trying to get the multi-session DVD with Slacko 5.4 to remember and use my WIFI settings that I am using ndiswrapper with.

When I set it up, it works. I save the settings. But on the next boot, the wifi hardware is not seen and not set up automatically...

I'm no expert in using wireless. I toyed with it for a while but then lost interest. My WAG (Wild-Ass Guess) is that the problem is not in the settings you are saving, but rather is something more subtle. Perhaps the connection wizard is not being given enough time to establish the wireless connection when it boots? I really don't know. Confused

Maybe you'd get more competent advice if you started a new thread with the title something like "Multisession Lupu 528 doesn't restore wireless settings." Or whatever is most appropriate for your problem.
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tallboy


Joined: 21 Sep 2010
Posts: 344
Location: Oslo, Norway

PostPosted: Sun 30 Dec 2012, 16:04    Post subject:  

This thread is old, and it started with a question:
Brown Mouse wrote:
Could anybody please remind me how to go about hiding/deleting previous multi-sessions save directory's on a live disc?


The use of a .badfolders file has been mentioned, and here are some pics of how it looks on a dpup485 DVD-R that I play with.

I accidentally forgot to remove a 240 Mb .iso image from /root before saving the session to the DVD, so I blocked that session from loading at next bootup with 'puppy pfix=1' as boot message.

When saving that session containing a blocked savefile, I actually forgot that a .badfolders file was created in /, so that was saved too - an important issue to remember if you only want a savefile blocked for one session! If you want to access the blocked file again, you have to remove the lines from the .badfolders file and save another session, or you have to block the file containg the badfolders file from loading with 'puppy pfix=1'.
The problem then is that you also omit all the other saved files from that session!

Are there any other boot messages that can be used to block a savefile from being read at bootup? I tried using a savefile's 'name', i.e. it's creation date&time, but that did not help. A list of savefiles that could be blocked for the session, appearing in the boot dialog, would be nice...

There are also other ways to save files, so that they don't turn up at boot time, see this link: Save directories to DVD+RW as sessions, using growisofs

tallboy
badfolders2.png
 Description   
 Filesize   182.27 KB
 Viewed   154 Time(s)

badfolders2.png


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