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# Raspberry Pi 3 image spec
This repository contains the files with which the image referenced at
https://wiki.debian.org/RaspberryPi3 has been built.
## Option 1: Downloading an image
See https://wiki.debian.org/RaspberryPi3#Preview_image for where to obtain the latest pre-built image.
## Option 2: Building your own image
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If you prefer, you can build a Debian buster Raspberry Pi 3 image yourself. For
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this, first install the
[requirements ](https://github.com/larswirzenius/vmdb2/blob/master/README#getting-vmdb2 )
of vmdb2. Then run the following:
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```shell
git clone --recursive https://github.com/Debian/raspi3-image-spec
cd raspi3-image-spec
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```
Then edit [raspi3.yaml ](raspi3.yaml ) to select the Debian repository that you
want to use:
- If you want to use the snapshot with which the build was tested, use
`http://snapshot.debian.org/archive/debian/20171007T213914Z/` . This is what
is pre-configured in raspi3.yaml. However, due to a [missing
feature](https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=763419) on
snapshots, to make the build work, you have to disable an expiration check
by APT. To do so, edit [raspi3.yaml ](raspi3.yaml ) to replace all
`apt-get` invocations with `apt-get -o Acquire::Check-Valid-Until=false`
- If you want to use the latest versions of each software, you can replace
`http://snapshot.debian.org/archive/debian/20171007T213914Z/` in raspi3.yaml
with the URL of your favorite Debian mirror. Of course, this means that the
build may break if there are regressions in the latest versions.
Once you have edited [raspi3.yaml ](raspi3.yaml ), you can generate the image by
issuing:
```shell
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sudo ./vmdb2/vmdb2 --output raspi3.img raspi3.yaml --log raspi3.log
```
## Installing the image onto the Raspberry Pi 3
Plug an SD card which you would like to entirely overwrite into your SD card reader.
Assuming your SD card reader provides the device `/dev/sdb` , copy the image onto the SD card:
```shell
sudo dd if=raspi3.img of=/dev/sdb bs=5M
```
Then, plug the SD card into the Raspberry Pi 3 and power it up.
The image uses the hostname `rpi3` , so assuming your local network correctly resolves hostnames communicated via DHCP, you can log into your Raspberry Pi 3 once it booted:
```shell
ssh root@rpi3
# Enter password “raspberry”
```