Setup
Download Ubuntu Eoan
https://wiki.ubuntu.com/ARM/RaspberryPi#arm64
Decompress Image and Flash to SD Card
xz -d ubuntu-19.10-preinstalled-server-arm64+raspi3.img.xz
sudo dd if=ubuntu-19.10-preinstalled-server-arm64+raspi3.img bs=1M of=/dev/mmcblk0
Log in, set your password, and fire up a shell
Download Geth
git clone https://github.com/ethereum/go-ethereum
Download And Install Some Dependencies
sudo apt-get install -y build-essential
Build Geth
cd go-ethereum
make geth
Launch Geth
./build/bin/geth --etherbase 0xYOURWALLETADDRESSHERE --syncmode fast --cache 256 console
Start Mining
miner.start(4)
Wait for the DAG to generate
Doop doop.
Monitor Hashrate
miner.getHashrate()
Results
Dag generation currently takes about 25 minutes. But after that...
> miner.getHashrate()
55210