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Thread: Using wubi to install ubuntu on a usb drive

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  1. #1
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    Dec 2012
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    Using wubi to install ubuntu on a usb drive

    If I use wubi to install ubunto on my 8gb usb drive, will ubuntu have access to my hard drive, and will it modify or add anything there? I don't want ubuntu to change or add anything on my hard drive or, preferably, even have access to it. How does that work?

    Thanks in advance.

  2. #2
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    Feb 2010
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    Ubuntu 14.04 Trusty Tahr

    Re: Using wubi to install ubuntu on a usb drive

    Wubi installations use the Windows boot loader so you may have to do some home work as to whether Wubi will work on a usb. It is possible to access the Windows file system from Ubuntu in a Wubi installation via the Ubuntu file manager.Also check the minimum space requirements for Wubi.

    https://wiki.ubuntu.com/WubiGuide
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  3. #3
    Join Date
    May 2007
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    12,538

    Re: Using wubi to install ubuntu on a usb drive

    See no point in using Wubi if that is going to be the only OS on that drive. Wubi's main purpose is to prevent you from having to do partitioning. If you're doing that anyway on a USB drive, you would do better doing a traditional install.

    Also, if you are running Windows on your internal drive, then do NOT have it connected when you install to the USB drive to prevent accidentally writing GRUB to your Windows drive.
    Ubuntu 14.04, Mint 17; MS Win 8.1.
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  4. #4
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    Oct 2007
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    Re: Using wubi to install ubuntu on a usb drive

    If you wish to install to USB and use the drive just for Ubuntu I suggest trying/using unetbootin it will take any iso or other disk image and install it to nearly any USB drive without issue.

  5. #5
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    Oct 2012
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    Re: Using wubi to install ubuntu on a usb drive

    Quote Originally Posted by chadk5utc View Post
    If you wish to install to USB and use the drive just for Ubuntu I suggest trying/using unetbootin it will take any iso or other disk image and install it to nearly any USB drive without issue.
    Unetbootin doesn't install Ubuntu in a usb drive, it creates a live usb, which is limited in usage even with persistence. It uses FAT and is limited to 4 G as a result and you cannot upgrade system components such as kernel.

  6. #6
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    Dec 2012
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    18

    Re: Using wubi to install ubuntu on a usb drive

    I got the impression that wubi was the easiest way to install ubuntu on a windows machine, but if unetbootin is better I'll look at that instead. How would I go about disconnecting my internal drive before installing? Sory for the noob questions.

  7. #7
    Join Date
    Jul 2011
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    3,037
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    Ubuntu 12.04 Precise Pangolin

    Re: Using wubi to install ubuntu on a usb drive

    If your machine is a desktop, open the case, look for the hard disc and disconnect the cable. If it is a notebook, turn it around and search for the screws which hold the hard drive. Unlock them and pull out the hard drive.

  8. #8
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    Dec 2012
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    UK, Lancaster
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    39

    Smile Re: Using wubi to install ubuntu on a usb drive

    Quote Originally Posted by 2F4U View Post
    If your machine is a desktop, open the case, look for the hard disc and disconnect the cable. If it is a notebook, turn it around and search for the screws which hold the hard drive. Unlock them and pull out the hard drive.
    You don't need to do this if you just run it on a Live USB using LiLi. It will run from your Pen drive and not modify or even go near your hard drive. Just make sure you put the persistence as high as possible because that's the amount of information that can be stored etc. If you have any more questions feel free to PM me or use Google.

  9. #9
    Join Date
    Oct 2007
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    338

    Re: Using wubi to install ubuntu on a usb drive

    Quote Originally Posted by LyTningB0LT View Post
    I got the impression that wubi was the easiest way to install ubuntu on a windows machine, but if unetbootin is better I'll look at that instead. How would I go about disconnecting my internal drive before installing? Sory for the noob questions.
    No need to be sorry. The only foolish question is that which is unasked.
    To clarify
    If your installing to a Windows Machine and intend to keep windows
    Wubi will do this I believe without changing the Windows partition I can not comment on this as I have never used it.

    Second option is to Install a Dual-Boot which the install CD will handle. It will resize the partitions as needed/you choose.

    If your installing to something like a USB thumb drive which is what I understood earlier then I would use unetbootin for this. Or any of the others suggested.

  10. #10
    Join Date
    Dec 2012
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    18

    Re: Using wubi to install ubuntu on a usb drive

    I looked at unetbootin and saw that it creates a live USB instead of a full install. Initially I assumed that a full install would be better, but after doing a little more research I read that it will wear down the usb faster because it's constantly reading/writing to the disk, instead of storing temp files in ram. What are the disadvantages of a live USB versus a full install?

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