Re: dd

[Dom <toyer@rpdom.net>]

On 11/08/14 05:48, Ethan Rosenberg wrote:
> Dear List -
>
> I am having trouble w/ dd.  I am sure that it is probably a stupid mistake.
>
> Anyway..,.
>
> /dev/sdb [500 G external USB drive] has one partition /dev/sdb1 which is
> mounted on /media/lin50
>
> I wish to copy /var/www to the USB drive.
>
> I have tried:
>
> root@meow:/var# dd  if=/var/www of=/dev/sdb1/ bs=2048
> dd: failed to open ‘/dev/sdb1/’: Is a directory
> root@meow:/var# dd  if=/var/www of=/dev/sdb/ bs=2048
> dd: failed to open ‘/dev/sdb/’: Is a directory
> root@meow:/var# dd  if=/var/www of=/media/lin50/ bs=2048
> dd: failed to open ‘/media/lin50/’: Is a directory
> root@meow:/var# dd  if=/var/www/ of=/media/lin50/ bs=2048
> dd: failed to open ‘/media/lin50/’: Is a directory

dd is the wrong tool for that job.

You need something to copy the contents of the directory, like rsync or 
just simply cp

cp -a /var/www/* /media/lin50
--
Dom