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The time now is Fri 06 Dec 2013, 20:30 All times are UTC - 4 |
 Forum index » House Training » HOWTO ( Solutions ) |
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HOWTO create easy multi-boot USB Puppy from Linux
Moderators: Flash, Ian, JohnMurga |
 
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Scooby
Joined: 03 Mar 2012 Posts: 247 |
Steve who created Easy2Boot has posted some menu items of Slitaz and Antix --- I havent tried them! You can use them directly with Easy2Boot .mnu feature or hack the straight into isobooter menu.lst and try. I dunnow if they'll work bur steve is very good at what he does - you could try Good luck with isobooter!
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nooby
Joined: 29 Jun 2008 Posts: 9829 Location: SwedenEurope |
Edit. It could have been me downloading the wrong iso. I still don't know I am too lazy to find out. sorry old text I downloaded and looked into Slitaz-4.0.iso.zip and there is nothing there that is different from what Easy2boot already have in the boot code so I doubt it would work differently. _________________ I use Google Search on Puppy Forum Edited_time_total |
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Scooby
Joined: 03 Mar 2012 Posts: 247 |
As I said I didnt try it(or look at it) but it was reported as working |
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Scooby
Joined: 03 Mar 2012 Posts: 247 |
looks like rmprep(steve) is working on a new version of Easy2Boot It seems like he is working on windows install iso's and more check out https://sites.google.com/a/rmprepusb.com/www/tutorials/72---easyboot---a-grubdos-multiboot-drive-that-is-easy-to-maintain also check out his blog for more info http://rmprepusb.blogspot.co.uk/ |
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DrDeaf
Joined: 30 Dec 2006 Posts: 41 |
My present choices of boot media and file system made "Alternative 1" look best to me. I didn't stick with it because it writes out the ISO files to a separate partition. It worked well but there was one fly in the ointment. I don't use savefiles so my practice is to boot from "read only". I did wonder if it is possible to set it up to copy the ISO files to RAM and then proceed? Perhaps delete the files after boot? I use Fatdog64 and I installed RAM to take advantage of that. RAM space is not a problem. Thanks for your work! |
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gcmartin
Joined: 14 Oct 2005 Posts: 3093 Location: Earth |
Hi DrDeaf
When you boot from the USB, after the system is up and running, you will see something like, "sdb1" and "sdb4" icons, on the bottom-left in your desktop. These 2 icon represent your USB drive with one catch: that sdb4 icon is a phantom drive with is a RAM depiction of the real ISO you booted. Hope this helps. _________________ Get ACTIVE; Create Circles; Do those good things which benefit the people's needs! We are all related ... Its time to show that we know this! Google's Puppy Search Engine |
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DrDeaf
Joined: 30 Dec 2006 Posts: 41 |
Hi there! Thanks for the reply. It has been a while since I played with it so I was unsure of my memory.... Lucky! I still had the card I used. The "sdb4" was not phantom for me. They are still on the card. Also, as I recall if I forced the card to "read only" it failed. I could not boot if I prevented whatever ISO I chose from writing to sdb4. I would be happy if the sdb4 was phantom but that was not my experience. Maybe something I don't understand? Best regards, |
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rcrsn51
 Joined: 05 Sep 2006 Posts: 8337 Location: Stratford, Ontario |
What you see on sdb4 is just a window into the ISO on sdb1. The files on sdb4 have never been physically copied anywhere. To make sdb4 on a flash drive go away, run Gparted > Device > Create Partition Table Of course, that will delete everything else on the flash drive. |
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DrDeaf
Joined: 30 Dec 2006 Posts: 41 |
Thanks for your reply! Whether it's a "phantom" or a "window" I am interested in understanding how the mechanics of this works. However, the focus for me is that the card is required to be writable. From my post yesterday
I did try booting with the card as read only and as I mentioned it failed.
Yes, I understood that before. I made it go away and then created the process again... and got the "window" again! Now I also understand why the sdb4 was "read only" on a writable card. 
As mentioned, the main consideration for me is that I can not make the card "read only" at boot. Not to distract from my first interest here, but if you could point me to some reference(s) which explain the mechanics of what I'd call the "virtual partition" sdb4, I would appreciate it! Best regards, |
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rcrsn51
Joined: 05 Sep 2006 Posts: 8337 Location: Stratford, Ontario |
Are you referring to the little "Lock" switch on an SD card?
This may be easier to see using ISObooter. In the menu.lst file, you will see the "partnew" command that associates partition #4 with a particular ISO file.
The first time you run ISObooter, it needs to write an entry into the fourth slot of the partition table. If the card is locked, I expect that would fail. However, once you have set up a particular ISO, you may be able to comment out the "partnew" line in the menu.lst and it would still work when the card is locked. However, you would need to unlock the card in order to switch ISOs. |
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DrDeaf
Joined: 30 Dec 2006 Posts: 41 |
Yes. As I recall it was Bruce Schneier who said "The only real security is physical security". It's been written elsewhere that this is not failsafe for all equipment but it tests OK here.
ISObooter was one of the methods I considered. However, the stated requirement to use Ext2 caused me to rule that out. The menu "alias" and as I recall some mentions of allowing persistent storage were concerns. Anyway, if ISObooter will better illustrate the general principle here I will play with it.
Yes, that was exactly my experience!
As an aside here, do you know where I can find an existing topic on mounting an external HD as "read only" with FD64? Thanks! |
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rcrsn51
Joined: 05 Sep 2006 Posts: 8337 Location: Stratford, Ontario |
The requirement is for FAT32, not ext2. |
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DrDeaf
Joined: 30 Dec 2006 Posts: 41 |
From your ISObooter. link: "3. Create a new ext2 partition and flag it as bootable." In good will and good spirits, I suppose I must have misunderstood! I tend to pursue a project at full speed until I encounter something that is not quickly overcome. Then, I don't quit... I just put it back in the queue and pursue the next until something appears at hand that may be helpful with that one I had set aside. In my impatience I can miss something! Anyway, I have some larger NTFS drives that I want to mount as external "read only" with FD64. Know how I can do that? I have searched diligently but I am impatient
Cheers! |
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amigo
Joined: 02 Apr 2007 Posts: 2010 |
mount -o ro /dev/somedev /some/mountpoint |
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muggins
Joined: 20 Jan 2006 Posts: 6664 Location: lisbon |
DrDeaf wrote:
That's from the grub2 part of the thread...in isobooter section, further below, it has:
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