Re: Full CD ISO image of Testing for USB Booting?
On Thu 17 Jan 2013 at 11:17:50 +0200, Andrei POPESCU wrote:
> On Mi, 16 ian 13, 00:27:48, Brian wrote:
> >
> > Different authors; different recommendations. I'd see cp, dd and cat as
> > equivalent in what they do. cp in the Guide was altered from cat because
> > some systems require you to be root to use 'cat ISO > /dev/sdX'.
>
> $ ls -l /dev/sdb
> brw-rw---T 1 root floppy 8, 16 ian 17 11:08 /dev/sdb
>
> As long as the user is member of 'floppy' any tool will work. As far as
> I recall 'dd' has been replaced by 'cp' because due to the default small
> block size (512 B?) it is slower. The 'cp' command is just simpler.
Please see #660776. The changelog has:
> * Use dd of= instead of cat >, to save users who use sudo. Advise to make
> sure the stick is unmounted. Closes: #660776.
and
> * Simply use cp instead of dd to prepare USB stick.
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