I have been using unetbootin to create bootable Linux USBs.
I want to do this manually using command line.
What is the procedure that unetbootin uses to prepare a bootable USB?
How would you go about manually converting an Ubuntu ISO to a USB?
asked Jan 4, 2013 at 13:51
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1 Answer
Assuming you are on nix and the distro you are interested in is oneiric ozelot or above then the following should work
sudo dd if=<isofile> of=/dev/sd<USBSTICK> oflag=direct bs=1048576
Please be triple careful with the argument to of. dd will NOT check if it's sensible/mounted/empty/..., it will just write. If you happen to specify your root device or anything else you still need, then it'll be gone.
Also please note, that the default ubuntu setup has the graphical usb creator installed, so no need for unetbootin.
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1I always use
cat <isofile> > /dev/sd<USBSTICK>is this worse method? Jan 8, 2013 at 20:27 -
1Excellent question, try here stackoverflow.com/questions/150697/is-dd-better-than-cat– MaxJan 10, 2013 at 0:07