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Wednesday, May 11, 2011

Linux UNetbootin USB Installer



UNetbootin allows you to create bootable Live USB drives for Ubuntu, Fedora, and other Linux distributions without burning a CD. It runs on both Windows and Linux. You can either let UNetbootin download one of the many distributions supported out-of-the-box for you, or supply your own Linux .iso file if you've already downloaded one or your preferred distribution isn't on the list. This method of getting a live install to a USB drive is the simplest available using Unetbootin. Note that we will format the USB drive and erase its contents.
  • Plug in your USB Drive (Minimum USB Drive capacity 2 GB)
  • Format the USB drive to FAT32
  • Start Unetbootin and select diskimage (use the BackTrack ISO)
  • Select your USB drive and click “OK” for creating a bootable BackTrack USB drive
  • Log into BackTrack with the default username and password root / toor.



If using Windows, run the file, select an ISO file or a distribution to download, select a target drive (USB Drive or Hard Disk), then reboot once done. If your USB drive doesn't show up, reformat it as FAT32.


Unetbootin.png

UNetbootin can create a bootable Live USB drive, or it can make a "frugal install" on your local hard disk if you don't have a USB drive. It loads distributions either by downloading a ISO (CD image) files for you, or by using an ISO file you've already downloaded.

screenshot

The current version has built-in support for automatically downloading and loading the following distributions, though installing other distributions is also supported

  1. If using Linux, make the file executable (using either the command chmod +x ./unetbootin-linux, or going to Properties->Permissions and checking "Execute"), then start the application, you will be prompted for your password to grant the application administrative rights, then the main dialog will appear, where you select a distribution and install target (USB Drive or Hard Disk), then reboot when prompted.
screenshot

screenshot

  1. After rebooting, if you created a Live USB drive by selecting "USB Drive" as your install target, press the appropriate button (usually F1, F2, F12, ESC, or backspace) while your computer is starting up to get to your BIOS boot menu and select USB drive as the startup target; otherwise if there's no boot selection option, go to the BIOS setup menu and change the startup order to boot USB by default. Note that Live USB drives are bootable only on PCs (not on Macs). Otherwise, if you did a "frugal install" by selecting "Hard Disk" as your install target, select the UNetbootin entry from the Windows Boot Menu as the system boots up

Installing Other Distributions Using UNetbootin

Download and run UNetbootin, then select the "disk image" option and supply it with an ISO (CD image).

screenshot

UNetbootin doesn't use distribution-specific rules for making your live USB drive, so most Linux ISO files should load correctly using this option. However, not all distributions support booting from USB, and some others require extra boot options or other modifications before they can boot from USB drives, so these ISO files will not work as-is. Also, ISO files for non-Linux operating systems have a different boot mechanism, so don't expect them to work either.

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