Raspberry Pi Cheatsheet

The Raspberry Pi is a fantastic, cheap, light and energy efficient single board computer. Ideal for quick prototyping or even serious applications like home automation.

# Login with username "pi", password "raspberry", 
figure out the Pi's ip address (connected devices list in your router interface)
ssh pi@192.168.178.39

# Basic Raspberry Menu options (extend filesystem to use all the space on your SD card!)
sudo raspi-config

# Update and upgrade raspbian
sudo apt-get update && sudo apt-get upgrade
sudo apt-get dist-upgrade

# Update firmware
sudo apt-get install rpi-update
sudo rpi-update

# Scan for available networks
sudo iwlist wlan0 scan

# Add network credentials
sudo nano /etc/wpa_supplicant/wpa_supplicant.conf
# Add your network credentials to the bottom and save (ctrl+x, y and enter)
network={
    ssid="myWifi"
    psk="myWifiPassword"
}

# Shut down properly (for the sake of your SD card), wait for the Pi's activity LED to flash
sudo halt

# Disable swap to increase the lifespan of the SD card
sudo dphys-swapfile swapoff

# Or completely remove swap
sudo apt-get remove dphys-swapfile

# Minimize logging; in /etc/fstab:
# 1. set /boot partition to noatime
# 2. move /var/log/ to ram by adding the last line
proc            /proc           proc    defaults          0       0
/dev/mmcblk0p1  /boot           vfat    defaults,noatime  0       2
/dev/mmcblk0p2  /               ext4    defaults,noatime  0       1
none            /var/log        tmpfs   size=1M,noatime   0       0

# Enable webcam in raspi-config
sudo raspi-config

# Capture a still and save as filename.jpg
raspistill -o filename.jpg

# Capture video for 10 seconds
raspivid -o filename.h264 -t 10000

# Start Domoticz
sudo service domoticz.sh start
# Stop Domoticz
sudo service domoticz.sh stop
# Check if Domoticz is running
sudo service domoticz.sh status

Add a camera in Domoticz

IP Address: Your domoticz server IP address (eg 127.0.0.1)
Port:8080
Username:<blank>
password:<blank>
ImageURL:raspberry.cgi

# When you have a minimal install but want a desktop
sudo apt-get install lxde
sudo apt-get install lightdm
# When you want to be able to use startx/xinit
sudo apt-get install xinit

# Change keyboard layout (default is UK)
sudo dpkg-reconfigure keyboard-configuration

• Config.txt, Raspberry Pi system configuration boot file
• Install remote desktop (VNC)
• Updating Domoticz error