# Arch Linux on Raspberry Pi

Hardware specification (Model B)

- SOC: Broadcom BCM2835 (CPU, GPU, DSP, SDRAM, and single USB port)
- CPU: 700 MHz ARM1176JZF-S core
- GPU: Broadcom VideoCore IV,OpenGL ES 2.0,OpenVG 1080p30 H.264 high-profile encode/decode
- SDRAM: 512 MiB
- USB 2.0: 2 (via integrated USB hub)
- Video outputs: Composite video | Composite RCA, HDMI (not at the same time)
- Audio outputs: TRS connector | 3.5 mm jack, HDMI
- Onboard Storage: SD / MMC / SDIO card slot
- Onboard network: 10/100 Ethernet (RJ45) via USB hub
- Low-level peripherals: 8 × GPIO, UART, I2C bus, SPI bus
- Power ratings: 700 mA (3.5 W)
- Power source: 5 volt via MicroUSB or GPIO header
- Size: 85.60 mm × 53.98 mm
- Weight: 45 g

Download and checking

# wget http://files.velocix.com/c1410/images/archlinuxarm/archlinux-hf-2012-09-18/archlinux-hf-2012-09-18.zip
# sha1sum archlinux-hf-2012-09-18.zip

Installation and partition resize

# unzip archlinux-hf-2012-09-18.zip
# dd bs=1M if=archlinux-hf-2012-09-18.img of=/dev/mmcblk0
# sfdisk -l /dev/mmcblk0
# sfdisk /dev/mmcblk0 << EOF
> 32,3008,c,*
> 3040,,L
> EOF
# e2fsck -f /dev/mmcblk0p2
# resize2fs /dev/mmcblk0p2

Booting and login

alarmpi login: root
Password: root

Password and new user

[root@alarmpi ~]# passwd
[root@alarmpi ~]# useradd -m -G users,wheel -s /bin/bash toni
[root@alarmpi ~]# passwd toni

Update and upgrade

[root@alarmpi ~]# pacman -Syu
[root@alarmpi ~]# pacman -S haveged
[root@alarmpi ~]# haveged -w 1024
[root@alarmpi ~]# pacman-key --init
[root@alarmpi ~]# pkill haveged
[root@alarmpi ~]# pacman -Rs haveged

Locale

[root@alarmpi ~]# cat /etc/vconsole.conf
KEYMAP=es
FONT=lat9w-16
FONT_MAP=8859-1_to_uni
[root@alarmpi ~]# grep -v \# /etc/locale.gen
es_ES.UTF-8 UTF-8
[root@alarmpi ~]# locale-gen
[root@alarmpi ~]# echo -e "\nexport LANG=es_ES.UTF-8" >> /etc/profile

Timezone

[root@alarmpi ~]# cp /usr/share/zoneinfo/Europe/Madrid /etc/localtime

Environment customization

[root@alarmpi ~]# tail -n5 /etc/bash.bashrc
PS1='\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
alias ls='ls --color=auto'
alias grep='grep --color=auto'
alias ll='ls -lhF'
alias la='ll -a'

Hostname

[root@alarmpi ~]# cat /etc/hostname 
raspberry

Network

[root@alarmpi ~]# cat /etc/hosts
127.0.0.1 raspberry.lab.net raspberry localhost
[root@alarmpi ~]# cat /etc/resolv.conf
nameserver 8.8.8.8
[root@alarmpi ~]# cat /etc/conf.d/dhcpcd
DHCPCD_ARGS="-q -C resolv.conf"
[root@alarmpi ~]# cat /etc/conf.d/network
interface=eth0
address=192.168.1.100
netmask=24
broadcast=192.168.1.255
gateway=192.168.1.1
[root@alarmpi ~]# pacman -S ppp
[root@alarmpi ~]# pacman -S usb_modeswitch
[root@alarmpi ~]# wget "http://www.sakis3g.org/versions/latest/armv4t/sakis3g.gz"
[root@alarmpi ~]# echo "6c88a9961ba8861f2f668c178c02403f  sakis3g.gz" | md5sum -c
[root@alarmpi ~]# gunzip -v sakis3g.gz
[root@alarmpi ~]# chmod +x sakis3g
[root@alarmpi ~]# mv sakis3g /usr/local/sbin/.
[root@alarmpi ~]# cat /etc/sakis3g.conf
APN="airtelnet.es"
APN_USER="vodafone"
APN_PASS="vodafone"
SIM_PIN="1234"
USBINTERFACE="0"
OTHER="CUSTOM_TTY"
CUSTOM_TTY="/dev/ttyUSB0"
[root@alarmpi ~]# cat /etc/systemd/system/network.service
[Unit]
Description=Network IP Connectivity
Wants=network.target
Before=network.target

[Service]
Type=oneshot
RemainAfterExit=yes
EnvironmentFile=/etc/conf.d/network
ExecStart=/sbin/ip link set dev ${interface} up
ExecStart=/sbin/ip addr add ${address}/${netmask} broadcast ${broadcast} dev ${interface}
ExecStart=/sbin/ip route add default via ${gateway}
ExecStart=/usr/local/sbin/sakis3g connect --console

ExecStop=/sbin/ip addr flush dev ${interface}
ExecStop=/sbin/ip link set dev ${interface} down
ExecStop=/usr/local/sbin/sakis3g disconnect

[Install]
WantedBy=multi-user.target
[root@alarmpi ~]# systemctl disable dhcpcd@eth0.service
[root@alarmpi ~]# systemctl enable network
[root@alarmpi ~]# reboot

Text editor

root@raspberry:~# pacman -S vim

Sound

root@raspberry:~# pacman -S alsa-firmware alsa-utils
root@raspberry:~# modprobe snd-bcm2835
root@raspberry:~# cat /etc/modules-load.d/snd-bcm2835.conf
snd-bcm2835
root@raspberry:~# alsamixer
root@raspberry:~# pacman -S pulseaudio vlc

Video

root@raspberry:~# pacman -S xorg-server xorg-xinit xorg-utils xorg-server-utils
root@raspberry:~# pacman -S xf86-video-fbdev
root@raspberry:~# pacman -S openbox obconf obmenu lxappearance
root@raspberry:~# pacman -S xterm

[toni@raspberry ~]$ mkdir -p /home/toni/.config/openbox/
[toni@raspberry ~]$ cp /etc/xdg/openbox/menu.xml /home/toni/.config/openbox/.
[toni@raspberry ~]$ cp /etc/xdg/openbox/rc.xml /home/toni/.config/openbox/.
[toni@raspberry ~]$ cat .xinitrc
exec dbus-launch openbox-session
[toni@raspberry ~]$ starx

Backup

# dd bs=1M if=/dev/mmcblk0 of=archberry.backup.img

Base development package (Compile C programs)

root@raspberry:~# pacman -Syu
root@raspberry:~# pacman -S base-devel

Binutils

root@raspberry:~# pacman -Syu
root@raspberry:~# pacman -S binutils

Install packages from the AUR with packer

root@raspberry:~# pacman -Syu
root@raspberry:~# mkdir builds
root@raspberry:~# cd builds
root@raspberry:~/builds# wget https://aur.archlinux.org/packages/pa/packer/packer.tar.gz
root@raspberry:~/builds# tar xvzf packer.tar.gz
root@raspberry:~/builds# cd packer
root@raspberry:~/builds/packer# makepkg -s --asroot
root@raspberry:~/builds/packer# cp pkg/packer/usr/bin/packer /usr/bin/packer
root@raspberry:~/builds/packer# cp pkg/packer/usr/share/man/man8/packer.8.gz /usr/share/man/man8/packer.8.gz
root@raspberry:~/builds/packer# cd
root@raspberry:~# rm -rf builds
root@raspberry:~# packer -S comgt

WiringPi library for GPIO access

root@raspberry:~# pacman -Syu
root@raspberry:~# pacman -S wiringpi
[toni@raspberry ~]$ curl http://wiringpi.com/pins
[toni@raspberry ~]$ curl http://wiringpi.com/examples/blink
[toni@raspberry ~]$ gpio mode 0 out
[toni@raspberry ~]$ while [ true ]; do gpio write 0 1; sleep 2; gpio write 0 0; sleep 2; done