Writing Raspberry Pi4 Image To SD Card
The Raspberry Pi4 image you downloaded needs to be extracted and written onto an SD card.
#Extract the compressed image file
tar -xzvf MESHdesk-Pi4-11-NOV-21-0.img.tar.gz
#This will create the file
MESHdesk-Pi4-11-NOV-21-0.img
Any SD card bigger than 8G will work.
We use Raspberry Pi Imager to write the image for us onto the SD card.