Hardware Reference
In-Depth Information
3. Unzip the downloaded ile by typing unzip followed by the downloaded ilename (for
example, unzip 2013-07-26-wheezy-raspbian.zip ).
You won't see a progress bar during this process, so you might think the computer has
frozen - but don't worry. It could take a minute or two before all of the iles are
unzipped.
4. List the image iles in the current directory by typing ls *.img and make sure that
the extracted image ile is listed.
5. To make sure everything is ine, you can calculate the checksum for the ile; however,
you can omit this step if you want. Calculating the checksum ensures that the down-
loaded ile is not corrupt. To do this, type the following:
shasum
2013-07-26-wheezy-raspbian.zip
Make sure that the result matches with the SHA-1 checksum on the http://
raspberrypi.org/download page. It is unlikely that they will difer, but if they do,
try downloading and unzipping again.
6. Type diskutil list to display a list of disks.
7. Insert an SD card. Make sure that it doesn't contain any data that you want to save
because it will be completely overwritten.
8. Run diskutil list again and note the identiier of the new disk that appears (for
example, /dev/disk1 ). Ignore the entries that end with s followed by a number. Use
the disk identiier wherever disk X appears in the following steps.
9. Type sudo diskutil unmountdisk /dev/disk X .
10. Type sudo dd bs=1m if=2013-07-26-wheezy-raspbian.img of=/dev/
disk X . (his step could take about 15-60 minutes, so be patient.)
11. Type sudo diskutil eject /dev/disk X before removing the card.
Connecting Your Raspberry Pi
Now that you have your OS for your Raspberry Pi, it's time to plug it together.
Remove the Raspberry Pi from the box and, to make it easier to follow these instructions,
position it the same way around as shown in Figure 1-2 (so the words Raspberry Pi appear the
correct way up).
Plug the USB keyboard into one of the USB sockets, as shown in Figure 1-3.
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