Create a bootable USB / Flash stick for Ubuntu
I have seen several posts on how to create a bootable USB stick, or Flash Drive, in Windows, but hardly any for making a bootable USB stick in Ubuntu. Since Ubuntu installs have grown past the capacity of a CD, I like the idea of putting an ISO image of Ubuntu on a USB flash drive to install on other computers.
Here is how its done on 12.04 LTS version of Ubuntu, which will have support until 2017. Additionally, if you are planning on installing Ubuntu on another computer this way, make sure that computer can boot off of a USB drive. Almost all newer computers can do this. You have to configure the BIOS for your computer. Also I like to use a USB stick 4 GB or larger.
First thing to do is to download an ISO image of the version of Ubuntu you want to put on your USB stick. Next, insert your USB stick / Flash Drive. Just to be sure, its a good idea to drop to the terminal and do a df -h to confirm which drive is your USB drive. You don’t want to do this to your main hard drive. Once you have it clear in your mind which is your USB stick, click the Unity Dash icon and type in “Startup Disk Creator” which will bring up this screen:
Create a Bootable USB Flash Stick in Ubuntu
Select your Source Disk image, in my case, I will be installing Ubuntu 14.04 on the USB stick. In the Disk to use box, your USB stick should be highlighted. if not, it wasn’t properly mounted.
Create a Bootable USB – Flash Stick in Ubuntu
If you like, you can add reserved extra space for saving documents, but not necessary. Lastly, make sure you click Make Startup Disk. It will take a while to complete this operation.
When finished, it will ask you to reboot, which in this case, you don’t want to do. Lastly, eject your USB stick, and you are ready to install Ubuntu on another computer.
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