Re: Trouble making bootable USB from ISO image
On 5/3/2019 7:29 PM, Paul Sutton wrote:
>
> On 03/05/2019 18:24, James Medeiros wrote:
>> I usually use dd; the following should also work (someone jump in if
>> I'm misunderstanding the question). Also second what Greg said, make
>> sure your USB isn't mounted.
>>
>> dd if=<ISO file> of=/dev/sdf bs=8M
>>
>>
>>
>> On Fri, May 3, 2019 at 12:54 PM Greg Wooledge <wooledg@eeg.ccf.org
>> <mailto:wooledg@eeg.ccf.org>> wrote:
>>
>> On Sat, May 04, 2019 at 01:50:31AM +0900, Mark Fletcher wrote:
>> > it auto-mounted.
>>
>> > So as root I did:
>> >
>> > cp <ISO file> /dev/sdf
>>
>> You need the device NOT to be mounted when you do the cp. This
>> may mean
>> you have to turn off your auto-mounter, or (better still) just log
>> out of
>> your Desktop Environment entirely, and log in as root on a text
>> console
>> for this operation.
>>
>> If the device is mounted, that will interfere with the raw byte
>> writing
>> you're doing. The results are unpredictable.
>>
>
> Just to add that if you put status=progress at the end you should get a
> progress bar as it writes, this is handy otherwise you are sitting
> around for what seems ages while it writes away in the background.
>
It should be noted that a regular cp command could be used as well:
$ cp *.iso /dev/sdX
To unmount something from the command line you would do something like:
$ umount <WHERE-IT-IS-MOUNTED>
--
John Doe
Reply to: