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Thread: Use All 32GB On USB For Persistence File

  1. #1
    Join Date
    Apr 2014
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    17

    Question Use All 32GB On USB For Persistence File

    Is there any way to get my USB to use all the memory instead of the ~4000mb that Universal USB Installer uses?
    I'm running low on memory even though I've only used 4GB.

  2. #2
    Join Date
    Jun 2009
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    Chicago Suburbs
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    Ubuntu 14.04 Trusty Tahr

    Re: Use All 32GB On USB For Persistence File

    If you want that much space, probably better to do a full install.
    I have full install on my 16GB flash using 8GB for / and 8 GB for data, but that is more as an emergency boot not daily use. Only 8GB for / is a little small but workable as long as I houseclean regularly.

    Pros & cons of persistence install over direct install to flashdrives - C.S.Cameron
    http://ubuntuforums.org/showthread.php?t=2133067
    http://ubuntuforums.org/showthread.php?t=1655412


    Large persistent - C.S.Cameron post 6 & 7
    http://ubuntuforums.org/showthread.php?t=2041679
    For info on UEFI boot install & repair:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







  3. #3
    Join Date
    Apr 2014
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    17

    Re: Use All 32GB On USB For Persistence File

    If I do a full install on my 32GB USB will I be able to boot from any computer without overwriting the OS on the HDD.
    Last time I chose "Install Ubuntu" from the boot menu I overwrote Windows 8.1

  4. #4
    Join Date
    Sep 2013
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    52

    Re: Use All 32GB On USB For Persistence File

    LinuxLive creator will allow you to set the size of the USB used for persistence, from 0 all the way up to the entirety of the drive.

    Alternatively, Id think you should be able to use gparted or windows disk manager to change the size of the partition on the usb drive to expand it from 4gb to 32.

    Also, the size of the partition on the persistent live usb has nothing to do with the size of the install on a hard drive. The persistence just means that there will be the standard user folders and settings included on the usb. Otherwise it functions basically the same as an install cd/dvd, where you can boot and run, but none of your settings or files last from boot to boot.

    If you want to be able to boot from the persistent usb drive, and not overwrite whatever is on the computer already, do NOT click install ubuntu. It overwrote it because thats what you told it to do. Click try ubuntu and it will run from the usb.

  5. #5
    Join Date
    Jun 2009
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    Chicago Suburbs
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    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Use All 32GB On USB For Persistence File

    If you install to anything that is not the single internal drive, it is best to use Something Else or manual install.
    You do have to choose partitions, mount points like / or /home, formats like ext4, but it is the only choice that lets you choose to install the grub2 boot loader to another drive than the normal default of sda.

    Install to external drive. Also any second drive.
    And you want this screen to choose where to install the grub2 boot loader which is only available with Something Else or manual install
    https://help.ubuntu.com/community/Gr...ing_Else.22.29:
    Installer version has not changed much so still a good guide except I do not recommend the separate /boot for most systems. Older systems may need it. And some with very large / (root) partitions. BIOS/MBR not for UEFI
    http://www.linuxbsdos.com/2012/07/23...2-hard-drives/



    This still shows default of drive that is sda, but as a combo box lets me choose if I want anther drive. I am installing to an existing partition on sdc that had an old test install.
    Attached Images Attached Images
    For info on UEFI boot install & repair:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







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