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The time now is Fri 06 Mar 2015, 03:36 All times are UTC - 4 |
 Forum index » House Training » Users ( For the regulars ) |
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How can I boot an iso with grub4dos?
Moderators: Flash, Ian, JohnMurga |
 
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session
 Joined: 07 Feb 2011 Posts: 90 Location: Valley of the Sun |
This will do it, with filesytem.squashfs, initrd.lz, and vmlinuz in the live media path:
...if and only if you also place the hidden .disk folder from the iso to the top level of the hard drive. _________________ Primary - Intel Pentium 4 2.40GHz, 571MB RAM, ATI Radeon 7000. Linux Mint 17 Qiana installed. Secondary - Pentium 3 533MHz, 385MB RAM, ATI Rage 128 Pro ULTRA TF. Precise Puppy 5.7.1 Retro full install. |
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mcewanw
Joined: 16 Aug 2007 Posts: 2356 Location: New Zealand |
That worked fine, thanks. I have my lubuntu iso on the third partition of my ntfs formatted hd, so successfully using your formula with:
I guess the above will work with wattOS too: http://www.planetwatt.com/ _________________ Non enim propter gloriam, diuicias aut honores pugnamus set propter libertatem solummodo quam Nemo bonus nisi simul cum vita amittit. |
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mcewanw
Joined: 16 Aug 2007 Posts: 2356 Location: New Zealand |
I have a problem with above lubuntu iso booting method though: I can't get persistence to work when casper-rw file is stored on an ntfs formatted hard drive partition. If I create the file casper-rw and place it in /dev/sda3 (the ntfs hard drive partition where I have live lubuntu) it doesn't get detected at boot time. i.e. no persistence even though i have the word "persistent" at the end of the menu.lst kernel line. I've tried storing it in /dev/sda1 (which is also ntfs) but not recognised there either. I do get persistence if I move the casper-rw file onto a usb drive however... But I don't want that - rather, I want persistence when casper-rw file is on same harddrive partition the lubuntu iso is stored. Apparently, casper-rw isn't being recognised at boot time when I store it on the harddrive partition. Anyone know how to do get the harddrive stored casper-rw recognised so that persistence will work? Really a question for lubuntu forums I suppose, though it otherwise fits this thread and might be relevant to save files generally. EDIT: Seems that casper-rw has to be on an ext... or fat partition not ntfs so that it is visible during boot according to my interpretation of: https://help.ubuntu.com/community/LiveCD/Persistence.
That would explain why it worked when I put casper-rw on a usb flash stick... That is a pity... I want it on the ntfs hard drive... EDIT: Of course, I could avoid having to copy vmlinuz etc out of the iso by using map commands and so on aka Easy2boot or Isoloader as described here: http://www.rmprepusb.com/tutorials/72---easyboot---a-grubdos-multiboot-drive-that-is-easy-to-maintain. http://murga-linux.com/puppy/viewtopic.php?p=682458#682458. http://www.murga-linux.com/puppy/viewtopic.php?t=67235&search_id=122987820. Actually, I think a similar partnew/map technique might allow casper-rw to be found on hd but I've still to try this using empty partition table entry. I will report back if I ever manage. _________________ Non enim propter gloriam, diuicias aut honores pugnamus set propter libertatem solummodo quam Nemo bonus nisi simul cum vita amittit. Last edited by mcewanw on Fri 20 Dec 2013, 23:06; edited 1 time in total |
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gcmartin
 Joined: 14 Oct 2005 Posts: 4816 Location: Earth |
Hope this helps _________________ Get ACTIVE Create Circles; Do those good things which benefit people's needs! We are all related ... Its time to show that we know this! 3 Different Puppy Search Engine or use DogPile |
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mcewanw
Joined: 16 Aug 2007 Posts: 2356 Location: New Zealand |
Sorry, I didn't see what that website had to do with iso booting with grub4dos - though I just had a quick glance at it. I have however elsewhere found the method to use a lubuntu casper-rw file on ntfs, though I haven't tried it yet (too risky till my 2 year old is sleeping; have to use grub4dos partnew command with care because it writes to the partition table). Needs an empty partition table entry to point at the casper-rw file. My netbook has the first three partitions already occupied, all ntfs partitions and Win 7, so I want to make a back up of the boot sector/mbr stuff before trying this: http://www.rmprepusb.com/tutorials/ubuntu
_________________ Non enim propter gloriam, diuicias aut honores pugnamus set propter libertatem solummodo quam Nemo bonus nisi simul cum vita amittit. |
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mcewanw
Joined: 16 Aug 2007 Posts: 2356 Location: New Zealand |
The following booted successfully without requiring vmlinuz and initrd.lz being extracted from the iso. From http://www.rmprepusb.com/tutorials/ubuntu (modified for the lubuntu iso I am using):
Note, however, that session's method above doesn't require the iso to be stored contiguously on the disk (though it may be best if it is...). This second method, however, uses up a lot of RAM if the iso isn't stored contiguously, though it will also still boot. That's because the map --mem line causes the whole iso to be copied into RAM to make it a contiguous whole should it not be contiguous on the harddrive itself:
Note from the above that on my system I have the lubuntu live-cd iso stored in subdirectory /frugal-ubuntu of the ntfs partition (/dev/sda3) I'm booting lubuntu from. This partition also contains Windows 7, which came with the system. I used bcdedit to add grub4dos to the win7 boot process (as is nicely described in ICPUG's Lin'N'Win website): http://www.icpug.org.uk/national/linnwin/step2-7.htm I still haven't added the partnew grub4dos lines to allow the casper-rw file to be stored on the ntfs formatted hard-drive. I'm working up to trying that. I'll use wincontig to fix the non-contiguous iso file first: http://wincontig.mdtzone.it/en/ _________________ Non enim propter gloriam, diuicias aut honores pugnamus set propter libertatem solummodo quam Nemo bonus nisi simul cum vita amittit. |
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mcewanw
Joined: 16 Aug 2007 Posts: 2356 Location: New Zealand |
SUCCESS! Booting lubuntu live-cd iso stored in subdirectory of ntfs formatted harddrive (hd0,2 in my case, which is /dev/sda3) with persistence using casper-rw ext2 file also stored on same ntfs formatted harddrive. 3am now, so I'll write it up tomorrow. _________________ Non enim propter gloriam, diuicias aut honores pugnamus set propter libertatem solummodo quam Nemo bonus nisi simul cum vita amittit. |
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mcewanw
Joined: 16 Aug 2007 Posts: 2356 Location: New Zealand |
For my own documentation use, I've stored reasonably complete details of how I got persistence working for a casper-rw persistence file stored in a subdirectory on an ntfs formatted hd partition (along with the live-cd iso) in a howto here: http://www.murga-linux.com/puppy/viewtopic.php?p=745265#745265 _________________ Non enim propter gloriam, diuicias aut honores pugnamus set propter libertatem solummodo quam Nemo bonus nisi simul cum vita amittit. |
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session
Joined: 07 Feb 2011 Posts: 90 Location: Valley of the Sun |
What's up with LMDE 201403? I can't get it to boot the squashfs directly from hdd as I described with earlier versions... _________________ Primary - Intel Pentium 4 2.40GHz, 571MB RAM, ATI Radeon 7000. Linux Mint 17 Qiana installed. Secondary - Pentium 3 533MHz, 385MB RAM, ATI Rage 128 Pro ULTRA TF. Precise Puppy 5.7.1 Retro full install. |
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