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i need to install linux (Ubuntu) on a flash drive, i need it for installing the OS on my pandaboard ES. I want to make a full installation (not the live cd one)

I've tried installing it from a cd to the flash drive (8gb) setting 7gb with ext4 for the system (sdc1) and the rest for swap (sdc2) and i've set sdc as boot

The installation went ok but when i booted from usb drive a black screen appeared and nothing was happening

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I have done this and i regretted my decision later on. Can you elaborate on why you want to do that? Installing Ubuntu on usb flash is like any installation. The reason I say don't do that is becuase usb interface is a bottle neck. They are so slow that OS will slow to a crawl , making it unusable. Any write operation are worst affected. Like apt-get upgrade . –  Naai Sekar Jun 7 '13 at 16:01
    
I need it to install android on my pandaboard, i don't want to make a full installation on my hdd. I would use it only when i have to update my pandaboard, so even if it's slow i don't mind as i would use it very rarely –  DoubleP90 Jun 7 '13 at 16:04
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Do you have to use Ubuntu to do this, for example, puppy Linux is a much better choice for USB installs. –  ohope5 Jun 7 '13 at 17:56
    
Have a look here, it is THE resource for linux on pendrives. –  terdon Jun 7 '13 at 20:14

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