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Installation on Debian
To make the installation as simple as possible, we have created an installation script for you. It will setup your Raspberry Pi as a full blown Photobooth. This means, Photobooth can be started in fullscreen on startup and the automatic camera mount is disabled. If you encounter any issues or want more freedom to configure your Pi, we recommend you look at the detailed installation instruction below.
wget https://raw.githubusercontent.com/andreknieriem/photobooth/master/install-raspbian.sh
sudo bash install-raspbian.sh
By default NGINX is used as a lightweight Webserver.
To use Apache run sudo bash install-raspbian.sh apache ,
To use Lighttpd as Webserver run sudo bash install-raspbian.sh lighttpd.
The steps below were tested on "Raspbian Buster with desktop", but should work for all Debian and Debian based distributions. Photobooth can also be used on any other PC/Laptop running a supported OS.
sudo apt update
sudo apt dist-upgrade
Currently NGINX, Lighttpd and Apache Webserver are supported. NGINX has a smaller memory footprint and typically better performance, which is especially important on the Raspberry Pis, but it needs some additional steps until you're good to go. Also Lighttpd needs some additional steps.
sudo apt install -y libapache2-mod-php
sudo apt install -y nginx php-fpm
Additional needed steps to enable PHP in NGINX
Once NGINX is installed we need to enable PHP in NGINX. If you haven't made any changes to your NGINX config you can run the following commands:
sudo cp /etc/nginx/sites-enabled/default ~/nginx-default.bak
sudo sed -i 's/^\(\s*\)index index\.html\(.*\)/\1index index\.php index\.html\2/g' /etc/nginx/sites-available/default
sudo sed -i '/location ~ \\.php$ {/s/^\(\s*\)#/\1/g' /etc/nginx/sites-available/default
sudo sed -i '/include snippets\/fastcgi-php.conf/s/^\(\s*\)#/\1/g' /etc/nginx/sites-available/default
sudo sed -i '/fastcgi_pass unix:\/run\/php\//s/^\(\s*\)#/\1/g' /etc/nginx/sites-available/default
sudo sed -i '/.*fastcgi_pass unix:\/run\/php\//,// { /}/s/^\(\s*\)#/\1/g; }' /etc/nginx/sites-available/default
If you've made changes by hand already to /etc/nginx/sites-enabled/default you have to do all changes by hand:
sudo nano /etc/nginx/sites-enabled/default
Find the line index index.html index.htm; and add index.php after index (the line now should look like this: index index.php index.html index.htm;).
Now scroll down until you find a section with the following content:
# pass the PHP scripts to FastCGI server
#
# location ~ \.php$ {
Edit by removing the # characters on the following lines:
location ~ \.php$ {
include snippets/fastcgi-php.conf;
fastcgi_pass unix:/run/php/php7.3-fpm.sock;
}
It should look like this:
location ~ \.php$ {
include snippets/fastcgi-php.conf;
#
# # With php-fpm (or other unix sockets):
fastcgi_pass unix:/run/php/php7.3-fpm.sock;
# # With php-cgi (or other tcp sockets):
# fastcgi_pass 127.0.0.1:9000;
}
Test the config once /etc/nginx/sites-enabled/default was changed:
sudo /usr/sbin/nginx -t -c /etc/nginx/nginx.conf &>/dev/null && echo 'config test ok' || echo 'config test failed'
If you get the response
'config test ok'then it is time to restart the server with:
sudo systemctl reload nginx
sudo apt install -y lighttpd php-fpm
Additional needed steps to enable PHP in Lighttpd
sudo lighttpd-enable-mod fastcgi
sudo lighttpd-enable-mod fastcgi-php
Edit fastcgi-php config, keep a backup of the original file in case something went wrong:
sudo cp /etc/lighttpd/conf-available/15-fastcgi-php.conf /etc/lighttpd/conf-available/15-fastcgi-php.conf.bak
sudo nano /etc/lighttpd/conf-available/15-fastcgi-php.conf
Change the 15-fastcgi-php.conf from
# -*- depends: fastcgi -*-
# /usr/share/doc/lighttpd/fastcgi.txt.gz
# http://redmine.lighttpd.net/projects/lighttpd/wiki/Docs:ConfigurationOptions#mod_fastcgi-fastcgi
## Start an FastCGI server for php (needs the php5-cgi package)
fastcgi.server += ( ".php" =>
((
"bin-path" => "/usr/bin/php-cgi",
"socket" => "/var/run/lighttpd/php.socket",
"max-procs" => 1,
"bin-environment" => (
"PHP_FCGI_CHILDREN" => "4",
"PHP_FCGI_MAX_REQUESTS" => "10000"
),
"bin-copy-environment" => (
"PATH", "SHELL", "USER"
),
"broken-scriptfilename" => "enable"
))
)
to look like this:
# -*- depends: fastcgi -*-
# /usr/share/doc/lighttpd/fastcgi.txt.gz
# http://redmine.lighttpd.net/projects/lighttpd/wiki/Docs:ConfigurationOptions#mod_fastcgi-fastcgi
## Start an FastCGI server for php (needs the php5-cgi package)
fastcgi.server += ( ".php" =>
((
"socket" => "/var/run/php/php7.3-fpm.sock",
"broken-scriptfilename" => "enable"
))
)
Now reload the service:
sudo service lighttpd force-reload
sudo apt install -y git php-gd gphoto2
To install all client dependencies you also have to install yarn:
curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
sudo apt update && sudo apt install -y yarn
Optional: If you have a new camera, you can also install the latest version of libgphoto2 directly from the maintainer. Choose "Install last stable release":
wget https://raw.githubusercontent.com/gonzalo/gphoto2-updater/master/gphoto2-updater.sh && sudo bash gphoto2-updater.sh
Give our webserver user access to /var/www/:
sudo chown -R www-data:www-data /var/www/
Get the Photobooth source:
cd /var/www/
sudo -u www-data -s
rm -r html/*
git clone https://github.com/andreknieriem/photobooth html
cd /var/www/html
git submodule update --init
yarn install
yarn build
exit
Please note: depending on your hardware yarn install and yarn build takes up to 15min!
Next we have to give our webserver user access to the USB device:
sudo gpasswd -a www-data plugdev
If you like to use a printer you need to have CUPS installed. On Raspbian CUPS is not installed by default:
sudo apt install -y cups
Next you also have to add your webserver user to the lp and lpadmin group:
sudo gpasswd -a www-data lp
sudo gpasswd -a www-data lpadmin
Now you should restart your Raspberry Pi to apply those settings:
reboot
Please use the following to test if your Webserver is able to take pictures:
sudo -u www-data gphoto2 --capture-image
If it is not working, your operation system probably automatically mounted your camera. You can unmount it, or remove execution permission for gphoto2 Volume Monitor to ensure that the camera is not mounted anymore:
sudo chmod -x /usr/lib/gvfs/gvfs-gphoto2-volume-monitor
Now reboot or unmount your camera with the following commands (you get a list of mounted cameras with gio mount -l):
gio mount -u gphoto2://YOUR-CAMERA
Now try again.
If everything is working, open the IP address (you get it via ip addr) of your Raspberry Pi, or if you open it on your machine, type localhost in your browser.