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Apple Computing Products:
macOS - Operating System
Using terminal to convert iso file
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<blockquote data-quote="Raz0rEdge" data-source="post: 1808928" data-attributes="member: 110816"><p>Let's hope it is certainly an incompatible disc, that is easier to fix than a failed optical drive. You should try another disc and see if that works. If that fails as well, then it might point to the optical drive going bad which was a verpossible thing on the old Macs.</p><p></p><p>If you want to use a USB stick (recommended in my opinion), the process would be a close to the <strong>dd</strong> command you were trying.</p><p></p><p>First you should do <strong>diskutil list</strong> to list all the available devices. One of them will be the USB stick. I'm going to assume it was disk2 for the rest of the command here, but you would change that to match what you actually see. </p><p></p><p>Unmount the USB stick with <strong>diskutil unmountDisk disk2</strong> and then 'burn' the ISO image to it using <strong>sudo dd if=/path/to/Linux.iso of=/dev/disk2 bs=8m</strong>.</p><p></p><p>For your info, the arguments to DD are:</p><p>- if = input file</p><p>- of = output file (/dev/disk2 is a virtual file that points to the physical USB stick)</p><p>- bs = block size (8 megabytes in this case)</p><p></p><p>The command won't show any progress while it's doing its job, so wait until you are back at the shell prompt to proceed. This could take at least 5 or more minutes.</p><p></p><p>Finally, eject the stick with <strong>diskutil eject disk2</strong> and now you should be able to use that USB stick as a bootable device to install Linux.</p><p></p><p>If any of this gives you grief, you can try <a href="https://www.balena.io/etcher/" target="_blank">Etcher</a> to burn the ISO image using an application.</p></blockquote><p></p>
[QUOTE="Raz0rEdge, post: 1808928, member: 110816"] Let's hope it is certainly an incompatible disc, that is easier to fix than a failed optical drive. You should try another disc and see if that works. If that fails as well, then it might point to the optical drive going bad which was a verpossible thing on the old Macs. If you want to use a USB stick (recommended in my opinion), the process would be a close to the [B]dd[/B] command you were trying. First you should do [B]diskutil list[/B] to list all the available devices. One of them will be the USB stick. I'm going to assume it was disk2 for the rest of the command here, but you would change that to match what you actually see. Unmount the USB stick with [B]diskutil unmountDisk disk2[/B] and then 'burn' the ISO image to it using [B]sudo dd if=/path/to/Linux.iso of=/dev/disk2 bs=8m[/B]. For your info, the arguments to DD are: - if = input file - of = output file (/dev/disk2 is a virtual file that points to the physical USB stick) - bs = block size (8 megabytes in this case) The command won't show any progress while it's doing its job, so wait until you are back at the shell prompt to proceed. This could take at least 5 or more minutes. Finally, eject the stick with [B]diskutil eject disk2[/B] and now you should be able to use that USB stick as a bootable device to install Linux. If any of this gives you grief, you can try [URL="https://www.balena.io/etcher/"]Etcher[/URL] to burn the ISO image using an application. [/QUOTE]
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Using terminal to convert iso file
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