I haven't been following this tread, but dd is a command line tool to do bulk
data copying that is often done at the raw partition level, so is useful for
creating bootable images.
the dd command is still available in Catalina, though I would expect you would
need to make sure that terminal has access to the full disk.
Jonathan
Best wishes,
Jonathan Cohn
> On Mar 20, 2020, at 1:42 PM, matthew dyer <[email protected]>
> wrote:
>
> Hi,
>
> Correct, the option you are referring to is called DD which is disk image
> mode. I am wanting to install fresh on an olderolder machine. This older
> machine has mo operating system at the moment. Thanks. I did come across “ß
> mac prog’rams which would do this, but none which are accessible.
>
> Matthew
>
>
>
> From: [email protected] <[email protected]> On
> Behalf Of Simon A Fogarty
> Sent: Friday, March 20, 2020 3:30 AM
> To: [email protected]
> Subject: RE: Writing .iso images to a usb thumb drive in cattleina is this
> possible?
>
> I believe there is a function within linux itself that will allow you to from
> the iso create a bootable installer on to a USB device.
>
> I did have one of these a few years back but it was created for me I didn’t
> do it myself.
>
> You can also in the same way install linux on to the USB Flash drive so it is
> bootable as a fully functioning Usb linux installation.
>
> I’ve got a feeling ubuntu allow this from their image.
>
> From: 'Tim Kilburn' via MacVisionaries <[email protected]
> <mailto:[email protected]>>
> Sent: Friday, 20 March 2020 8:46 AM
> To: [email protected] <mailto:[email protected]>
> Subject: Re: Writing .iso images to a usb thumb drive in cattleina is this
> possible?
>
> Hi,
>
> You are correct in that it will not be bootable when just copied over.
> Sorry, making a MacOS installer bootable works for me, but Linux is a
> different animal. I'm not sure how it can be done.
>
> Later...
>
>
> Tim Kilburn
> Jamf Certified Tech
> Apple Teacher
> (with Swift Playgrounds Recognition)
> Fort McMurray, AB Canada
>
> On Mar 19, 2020, at 12:57, matthew dyer <[email protected]
> <mailto:[email protected]>> wrote:
>
> Tim, I am wanting to make it bootable. Simply copy and pasting will not do
> this to my knowledge or am I wrong? For example, I have a linux distribution
> I wanna to install on another machine I would need to make it bootable in
> order to use it. HTH.
>
> Matthew
>
>
>
>
> On Mar 19, 2020, at 10:06 AM, 'Tim Kilburn' via MacVisionaries
> <[email protected] <mailto:[email protected]>>
> wrote:
>
> Hi,
>
> If you already have the ISO image file, just copy and paste it to the
> external media.
>
> Later...
>
>
> Tim Kilburn
> Jamf Certified Tech
> Apple Teacher
> (with Swift Playgrounds Recognition)
> Fort McMurray, AB Canada
>
> On Mar 19, 2020, at 07:23, matthew dyer <[email protected]
> <mailto:[email protected]>> wrote:
>
> Hi all,
>
> Hope someone can help me with this one since I have looked online for an
> answer but have not found anything that would help. I am trying to find a
> way to write an iso file to a usb thumb drive that would work with 10.15.3.
> I did some searching around and found some directions which require
> converting the iso file first, but is there an easier way to do this either
> with a GUI program or through something like DD for example? If anyone has
> any idea it would be greatly helpful.
>
> Thanks.
>
> Matthew
>
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