Plug in tha microSD card.
Ensure your desktop env. has not mounted any previous FS there may be on you
$ mount
Download the latest appropriate OSMC image from osmc.tv :
$ wget -S http://download.osmc.tv/installers/diskimages/OSMC_TGT_rbp2_20190623.img.gz
Find out what /dev/... block device is that microSD card :
$ sudo fdisk -l
Transfer the uncompressed OSMC disk image using dd :
$ time ( gunzip -dc OSMC_TGT_rbp2_20190623.img.gz | \
sudo dd of=/dev/mmcblk0 bs=1M oflag=direct iflag=fullblock status=progress )
Trigger kernel re-read the partition tables (so that your desktop will present the correct mount devices) :
$ sudo partprobe
Check that the device does have that 243 MB FAT partition :
$ sudo fdisk -l /dev/mmcblk0
Output :
Device Boot Start End Sectors Size Id Type
/dev/mmcblk0p1 2048 499711 497664 243M c W95 FAT32 (LBA)
EOF
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