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Revise dd command to clarify and avoid misinterpretation in bootable-usb. (#982)

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* Revise `dd` command, under Linux, to clarify and avoid misinterpretation.

- Closes #968

Signed-off-by: Michael Vincerra <michael.vincerra@intel.com>

* Apply same changes re device name from linux to macOS. Add note.

Signed-off-by: Michael Vincerra <michael.vincerra@intel.com>
This commit is contained in:
michael vincerra
2020-01-10 14:43:59 -08:00
committed by GitHub
parent 1b8fe35939
commit 637ebdc2ba
1 changed files with 10 additions and 7 deletions
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source/get-started/bootable-usb.rst
+10 -7
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@@ -51,6 +51,10 @@ Burn the |CL| image onto a USB drive
lsblk
.. note::
Alternatively, enter the command: `lsblk -S`
Example output:
.. code-block:: console
@@ -88,11 +92,11 @@ Burn the |CL| image onto a USB drive
sudo umount /dev/sdd*
#. Burn the image onto the USB drive. The example below burns an image onto `<your USB device>`:
#. Burn the image onto the USB drive. This example burns an image onto `/dev/sdd`. The device name of the USB may vary.
.. code-block:: bash
sudo dd if=./clear-[version number]-live-[desktop | server].iso of=<your USB device> oflag=sync bs=4M status=progress
sudo dd if=./clear-[version number]-live-[desktop | server].iso of=/dev/sdd oflag=sync bs=4M status=progress
.. caution::
@@ -135,7 +139,7 @@ Burn the |CL| image onto a USB drive
Figure 1: macOS - Get USB drive identifier
#. Unmount the USB drive identified in the previous step. For example, to unmount /dev/disk2:
#. Unmount the USB drive identified in the previous step. For example, to unmount /dev/disk2. The device name of the USB may vary.
.. code-block:: bash
@@ -143,14 +147,13 @@ Burn the |CL| image onto a USB drive
#. Burn the image onto the drive using the :command:`dd` command.
This example uses `./`, your current directory, and it shows how to burn
an image onto `<your USB device>`:
an image onto `/dev/disk2`:
.. code-block:: bash
sudo dd if=./clear-[version number]-live-[desktop | server].iso of=<your USB device> bs=4m
sudo dd if=./clear-[version number]-live-[desktop | server].iso of=/dev/disk2 bs=4m
To accelerate the imaging process, add an ‘r’ before the disk identifier.
Example: `sudo dd if=./clear-30800-live-server.iso of=/dev/rdisk2 bs=4m`.
To accelerate the imaging process, add an ‘r’ before the device identifier. Example: `sudo dd if=./clear-30800-live-server.iso of=/dev/rdisk2 bs=4m`.
Press :kbd:`<CTRL>-T` to check imaging progress.