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How can I install an iso file on a USB while I'm using a live Ubuntu OS?

I want to make a persistent USB drive with Ubuntu 14.04 32 bit.

I have Ubuntu 14.04 32 bit on a USB in an iso file, I'm currently running Ubuntu 14.04 lts 64 bit live how can I install the 32 bit iso file on the USB?

And I can't use Unetbootin, it says: "E: Unable to locate package unetbootin"

3 Answers3

2

You can use Unetbootin to create a persistent USB drive as you can see here.

So what you should do next:

  • Create two partitions on your destination USB drive with gparted

    • First one should be FAT32 with at least 750MB in size.
    • Second will be the rest for example (label: casper-rw, filesystem: ext4)

      Image

  • Install Unetbootin:

    sudo apt-get install unetbootin

Update: ... or you can use the binaries from the author's site

To run these binaries, download them and run the command chmod +x ./unetbootin-linux, or go to Properties->Permissions and check "Execute"), then start the application by running ./unetbootin-linux

  • Set it up as you can see on the image below

    Image

  • Once everything is done, the final step is to delete the small casper-rw file created on the vfat partition you installed the LiveCD on, so that the large ext4 casper-rw partition is used instead. Mount this partition (here, sdb1), and delete /casper-rw.

Persistence (via the persistent kernel option) should already be set up if you used Unetbootin, so safely eject the USB and you're ready to go!

Armand

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The recommended tool would likely be startup disk creator.

http://www.ubuntu.com/download/desktop/create-a-usb-stick-on-ubuntu

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The best tool to use is UNetbootin.

It needs no installation and allows you even to download the iso in the application itself.