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  1. #1
    Ubuntu on a USB Stick

    Member Since
    Oct 14, 2010
    Posts
    28
    Specs:
    MacBook Air 10.7, iMac 21" 10.7
    Ubuntu on a USB Stick
    Hi, I recently tried running Ubuntu 10.10 on my 8GB flash drive (on a Mac, 10.6.5). I followed all the instructions from Ubuntu.com on how to set up my flash drive, and everything worked. Until I tried to boot from the USB.

    I turned off my MacBook Air, plugged in my USB, and pressed the power button. I then (quickly) proceeded to hold down the option key (to select the volumes with OS's on them). I saw the Mac Hard Drive logo, but did not see my drive or anything else.

    I really have no idea what's going on, as I have read around the web and did not see anything similar to this. Thanks in advance!

  2. #2
    Ubuntu on a USB Stick
    Buzzard2010's Avatar
    Member Since
    Oct 22, 2010
    Location
    Bretforton, Worcestershire
    Posts
    2,571
    Specs:
    MacBook Pro 15" 2014, 2.2GHz i7, 16GB RAM, 250GB SSD, OSX 10.9.5 - iPhone 5s 16gb
    Have you tried starting it up using virtualisation software like parallels?

    - Simon

    If you have been helped, don't forget to use the Reputation system at the top right of their post.
    May 2011
    Nominated: March 2011 & April 2011

  3. #3
    Ubuntu on a USB Stick

    Member Since
    Oct 14, 2010
    Posts
    28
    Specs:
    MacBook Air 10.7, iMac 21" 10.7
    No...
    No, I never thought of trying that...

    Anyways, parallels costs around $80 dollars if I'm correct, and I currently don't have the money to spend on that. What I was trying to do when I was running Ubuntu was show my friend how it worked/what it's like, as he was thinking of getting a cheap net-book and installing Ubuntu alongside the current OS.

    Do you think there could be a different series of commands I could try on the flash drive? I read that what you are doing in the series of commands is actually converting the .iso file into a different file type of reading. It's probably a long-shot, but could my computer not be reading it correctly and therefore I could format it to a different file type? Just a thought...

  4. #4
    Ubuntu on a USB Stick
    Buzzard2010's Avatar
    Member Since
    Oct 22, 2010
    Location
    Bretforton, Worcestershire
    Posts
    2,571
    Specs:
    MacBook Pro 15" 2014, 2.2GHz i7, 16GB RAM, 250GB SSD, OSX 10.9.5 - iPhone 5s 16gb
    If memory serves me right you need to extract the iso file, and then place the extracted files onto the USB thumb stick, another option is to burn it to a disk, then you can boot it from the disk. You don't have to install it either, you can just try it out

    - Simon

    If you have been helped, don't forget to use the Reputation system at the top right of their post.
    May 2011
    Nominated: March 2011 & April 2011

  5. #5
    Ubuntu on a USB Stick

    Member Since
    Oct 14, 2010
    Posts
    28
    Specs:
    MacBook Air 10.7, iMac 21" 10.7
    How?
    So, how do I extract the .iso file?

    Also is there anything else I need to do to boot from it? All I have to do is extract and copy over the files? I mean, it just sounds too simple compared to what the Ubuntu site said... I thought the disk image had to be formatted to a specific type.

    Oh, and I am using a USB to do all of this because I'm on an air So can't use a CD.

  6. #6
    Ubuntu on a USB Stick
    [DT]'s Avatar
    Member Since
    Dec 23, 2010
    Location
    Vilano Beach, FL
    Posts
    110
    Specs:
    MBP 15" 16/500/2.3GHz, iPad 4 32GB, iPhone 5 32GB
    I installed Ubu 9.x on our Netbook several months back, right from a USB stick and it worked terrific (I was also able to just boot and run it from the stick).

    I'm assuming you walked through this:
    We would encourage Mac users to download Ubuntu Desktop Edition by burning a CD for the time being. But if you would prefer to use a USB, please follow the instructions below.

    Note: this procedure requires an .img file that you will be required to create from the .iso file you download.

    TIP: Drag and Drop a file from Finder to Terminal to 'paste' the full path without typing and risking type errors.

    Download the desired file
    Open the Terminal (in /Applications/Utilities/ or query Terminal in Spotlight)
    Convert the .iso file to .img using the convert option of hdiutil (e.g., hdiutil convert -format UDRW -o ~/path/to/target.img ~/path/to/ubuntu.iso)
    Note: OS X tends to put the .dmg ending on the output file automatically.
    Run diskutil list to get the current list of devices
    Insert your flash media
    Run diskutil list again and determine the device node assigned to your flash media (e.g. /dev/disk2)
    Run diskutil unmountDisk /dev/diskN (replace N with the disk number from the last command; in the previous example, N would be 2)
    Execute sudo dd if=/path/to/downloaded.img of=/dev/rdiskN bs=1m (replace /path/to/downloaded.img with the path where the image file is located; for example, ./ubuntu.img or ./ubuntu.dmg).
    Using /dev/rdisk instead of /dev/disk may be faster.
    If you see the error dd: Invalid number '1m', you are using GNU dd. Use the same command but replace bs=1m with bs=1M.
    If you see the error dd: /dev/diskN: Resource busy, make sure the disk is not in use. Start the 'Disk Utility.app' and unmount (don't eject) the drive.
    Run diskutil eject/dev/diskN and remove your flash media when the command completes
    Restart your Mac and press alt while the Mac is restarting to choose the USB-Stick

  7. #7
    Ubuntu on a USB Stick

    Member Since
    Oct 14, 2010
    Posts
    28
    Specs:
    MacBook Air 10.7, iMac 21" 10.7
    Yes, and I just ran them all again to make sure nothing was mistyped. Everything appears to happen just the way the instructions said it would, but when I reboot it doesn't give me the option of the USB stick, just the Mac Hard Drive logo.

  8. #8
    Ubuntu on a USB Stick
    Buzzard2010's Avatar
    Member Since
    Oct 22, 2010
    Location
    Bretforton, Worcestershire
    Posts
    2,571
    Specs:
    MacBook Pro 15" 2014, 2.2GHz i7, 16GB RAM, 250GB SSD, OSX 10.9.5 - iPhone 5s 16gb
    How is the stick formatted?

    - Simon

    If you have been helped, don't forget to use the Reputation system at the top right of their post.
    May 2011
    Nominated: March 2011 & April 2011

  9. #9
    Ubuntu on a USB Stick

    Member Since
    Feb 12, 2008
    Posts
    937
    Sun's VirtualBox will run Ubuntu in a virtual machine and it's free, unlike Parallels or Fusion. Something to consider.

    Cheers

  10. #10
    Ubuntu on a USB Stick
    Buzzard2010's Avatar
    Member Since
    Oct 22, 2010
    Location
    Bretforton, Worcestershire
    Posts
    2,571
    Specs:
    MacBook Pro 15" 2014, 2.2GHz i7, 16GB RAM, 250GB SSD, OSX 10.9.5 - iPhone 5s 16gb
    Definitely give VirtualBox a try if you haven't the spare cash for parallels.

    - Simon

    If you have been helped, don't forget to use the Reputation system at the top right of their post.
    May 2011
    Nominated: March 2011 & April 2011

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