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Raspberry Pi 3

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christiandmiddel edited this page Aug 30, 2017 · 15 revisions

Overview

These are the steps to follow in order to get the full BlackoutPedia installation running on the Raspberry Pi 3

  • Basic arch linux installation
  • Copy pre-populated index directory
  • Configure access point
  • BlackoutPedia installation

Prerequisites

  • You have a Linux based PC that has a SD card reader
  • The PC is connected to your home network
  • The Raspberry Pi can be connected to the same home network by its wired eth0 interface
  • You have a power supply for the Pi
  • You have a Micro SD card ready with a minimum size of 64GB
  • You can become root user on the PC
  • Your PC has internet access
  • You understand the above

Basic arch linux installation

At the time of writing I decided to use 32-bit arch linux, since it perfectly installs headless (we need no screen or keyboard connected to the Raspberry and can work with the Raspberry through ssh), it is lean and supports all aspect of the Pi's hardware that we need.

First thing is to attach the SD card to the PC and created a partition setup. The following table explains the partitions we want to setup

Partition Type Size Purpose
1 W95 FAT32 (LBA) 100 MB Boot partition
2 Linux 10 GB Root parition for arch linux
3 Linux Rest Data partition, where we hold the index directory

The reason for having the third data partition is so that we can replace the arch linux installation itself independent of the data that is used by BlackoutPedia

As user root run

fdisk /dev/mmcblk0

Now create a fresh DOS partition table, by typing o

Create the first partition and set the correct type

np 1 Enter +100M
t c

Now create the remaining two paritions

np 2 Enter +10G
np 3 Enter Enter

Finally save the partitioning to the SD card by typing w

Then create the file systems on the partitions and mount the first two partitions

mkfs.vfat /dev/mmcblk0p1
mkfs.ext4 /dev/mmcblk0p2
mkfs.ext4 /dev/mmcblk0p3
mkdir boot
mkdir root
mount /dev/mmcblk0p1 boot
mount /dev/mmcblk0p2 root

Download the arch linux distribution. Make sure you use the 32-bit one, since at the time of writing, the wifi driver for the Raspberry Pi was not available for the 64-bit version. Once downloaded extract arch linux

wget http://os.archlinuxarm.org/os/ArchLinuxARM-rpi-2-latest.tar.gz
bsdtar -xpf ArchLinuxARM-rpi-2-latest.tar.gz -C root

Finally move the boot content to the boot partition and unmount everything

mv root/boot/* boot
umount boot root

Copy pre-populated index directory

mkdir data
mount /dev/mmcblk0p3 data
cp -r 201708_dewiki data
umount data

Configure access point

Boot Raspberry Pi and update

ssh alarm@1.2.3.4
pacman -Syu

Install create_ap

pacman -S create_ap
create_ap -n wlan0 BlackoutPedia
systemctl start create_ap
systemctl enable create_ap
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