ROV Linux [docs.philipmcgaw.com]

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====== ROV Linux ======
{{tag>rov linux mqtt lighttpd}}

See Github [[https://github.com/PhilipMcGaw/ROV]]

[[https://mdbootstrap.com/learn/mdb-foundations/bootstrap/hero-image/]]

===== username and password =====
  * username pi
  * password raspberry

(if these need to be changed sudo passwd pi)

  sudo raspi-config

  ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBZXuVXuc19rqZAfSH+CzeDTP+epLlpmMvryJeuXqVO9 skippy+thrudhr@mcgaw.eu
  ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBRmcgaQE9nBGz9A2X+RawgOPSERKnru6nTxa3NNsw3N philip.mcgaw@chargepoint.com


===== Default stuff =====
if running on Debian Jammy, rather than Raspbian:

  sudo apt install software-properties-common
  sudo add-apt-repository ppa:ondrej/php -y

this will allow you to have PHP 7.4

These packages need to be installed to make this work, see also. [[notes:equipment:ict:setup_new_computer]]

  sudo apt update
  sudo apt dist-upgrade -y
  sudo apt upgrade -y
  sudo apt autoremove -y
  # These are required to make it more like my normal enviroment.
  sudo apt install -y kitty nano zsh git neofetch htop dialog rcm
  # MQTT
  sudo apt install -y mosquitto mosquitto-clients 
  # Webserver and video stream
  sudo apt install -y lighttpd php7.4 php7.4-{cli,common,cgi} gpac motion zip gstreamer1.0-tools
  # Ability to mount file system via the network on my mac
  sudo apt install -y netatalk

install ohmyzsh
  sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"

edit .zshrc and change ZSH_THEME="robbyrussell" to ZSH_THEME="clean"
#CASE_SENSITIVE="true" to CASE_SENSITIVE="false"



get neofetch working, nano .zprofile and add the following two lines
  clear
  neofetch

lazygit

  LAZYGIT_VERSION=$(curl -s "https://api.github.com/repos/jesseduffield/lazygit/releases/latest" | grep -Po '"tag_name": "v\K[^"]*')
  curl -Lo lazygit.tar.gz "https://github.com/jesseduffield/lazygit/releases/latest/download/lazygit_${LAZYGIT_VERSION}_Linux_x86_64.tar.gz"
  tar xf lazygit.tar.gz lazygit
  sudo install lazygit /usr/local/bin

append alias lg="lazygit" to the end of .zshrc

===== Python =====

  sudo apt install python3-pip -y

  pip install paho-mqtt
  
===== afp =====

this is for allowing access to the home folder from a mac

https://pimylifeup.com/raspberry-pi-afp/


sudo nano /etc/netatalk/afp.conf

  ;
  ; Netatalk 3.x configuration file
  ;
  
  [Global]
  ; Global server settings
  mimic model = AirPort4
  
  [Homes]
  basedir regex = /home
  
  ; [My AFP Volume]
  ; path = /path/to/volume
  
  ; [My Time Machine Volume]
  ; path = /path/to/backup
  ; time machine = yes


  sudo systemctl restart netatalk

===== mqtt =====


  sudo systemctl enable mosquitto.service

test that it is working using

  mosquitto -v

==== Mosquitto Configuration ====

  sudo nano /etc/mosquitto/mosquitto.conf

add the following lines to the end of the configuration

  listener 1883
  allow_anonymous true

Restart Mosquitto for the changes to take effect.

  sudo systemctl restart mosquito
  
===== Camera =====

==== Pi Cam ====

Enable legacy camera support 
  sudo raspi-config


Enter the following line to hand the camera to the modules. Ensure the camera is connected correctly before running this line otherwise, it will throw an error.

  sudo modprobe bcm2835-v4l2

  sudo reboot

  git clone https://github.com/silvanmelchior/RPi_Cam_Web_Interface.git
  cd RPi_Cam_Web_Interface
  ./install.sh

change httpd to lighttpd

lighttpd config is /etc/lighttpd/lighttpd.conf

  sudo systemctl reload lighttpd.service

==== Headless via VNC ====

  sudo raspi-config

The VNC settings Interfacing Options >> VNC



==== USB camera(s) ====

  * [[https://www.instructables.com/How-to-Make-Raspberry-Pi-Webcam-Server-and-Stream-/]]

==== Lighttpd ====

sort out users etc

  sudo usermod -a -G www-data pi
  sudo usermod -a -G pi www-data

Change the web folder

sudo nano /etc/lighttpd/lighttpd.conf

# server.document-root        = "/var/www/html"
server.document-root        = "/home/pi/rov/html"

===Enable CGI for both Bash and Python files ===

  sudo lighttpd-enable-mod cgi

sudo nano /etc/lighttpd/conf-enabled/10-cgi.conf

  # /usr/share/doc/lighttpd/cgi.txt
  
  server.modules += ( "mod_cgi" )
  
  $HTTP["url"] =~ "^/cgi-bin/" {
        cgi.assign = (
                ".py" => "/usr/bin/python3",
                ".sh" => "/bin/bash",
        )
  }

  sudo systemctl reload lighttpd.service

=== Enabling PHP ===

  sudo lighty-enable-mod fastcgi 
  sudo lighty-enable-mod fastcgi-php

  sudo systemctl reload lighttpd.service

=== Enable directory listings ===

  sudo lighty-enable-mod dir-listing

  sudo systemctl reload lighttpd.service

=== Passwordless Sudo ===

run ```visudo```, and append the line ```%sudo ALL=(ALL) NOPASSWD: ALL``` to the end.

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