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README: minor edit
Mention un-mounting before flashing USB. Use sudo with "dd" Show progress with "dd" Signed-off-by: Juro Bystricky <juro.bystricky@intel.com> Signed-off-by: California Sullivan <california.l.sullivan@intel.com>
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@ -165,9 +165,21 @@ The BSP /binary directory or build contains bootable live images,
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which can be used to directly boot Yocto off of a USB flash drive.
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Under Linux, insert a USB flash drive. Assuming the USB flash drive
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takes device /dev/sdf, use dd to copy the image to it. For example:
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takes device /dev/sdf, use dd to copy the image to it. Before the image
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can be burned onto a USB drive, it should be un-mounted. Some Linux distros
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may automatically mount a USB drive when it is plugged in. Using USB device
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/dev/sdf as an example, find all mounted partitions:
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$ dd if=core-image-sato-intel-corei7-64.wic of=/dev/sdf
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$ mount | grep sdf
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and un-mount those that are mounted, for example:
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$ umount /dev/sdf1
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$ umount /dev/sdf2
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Now burn the image onto the USB drive:
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$ sudo dd if=core-image-sato-intel-corei7-64.wic of=/dev/sdf status=progress
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$ sync
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$ eject /dev/sdf
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