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The time now is Mon 17 Feb 2020, 11:37 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: 3200 |
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/ _________________ github mcewanw |
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mcewanw
Joined: 16 Aug 2007 Posts: 3200 |
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. _________________ github mcewanw 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: 6730 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 Engines or use DogPile |
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mcewanw
Joined: 16 Aug 2007 Posts: 3200 |
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
_________________ github mcewanw |
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mcewanw
Joined: 16 Aug 2007 Posts: 3200 |
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/ _________________ github mcewanw |
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mcewanw
Joined: 16 Aug 2007 Posts: 3200 |
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. _________________ github mcewanw |
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mcewanw
Joined: 16 Aug 2007 Posts: 3200 |
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 _________________ github mcewanw |
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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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