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cerebrate
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cerebrate/INSTALL/INSTALL.md

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Requirements

An Ubuntu server (20.04/22.04 should both work fine) - though other linux installations should work too.

  • apache2 (or nginx), mysql/mariadb, sqlite need to be installed and running
  • php version 8+ is required
  • php extensions for intl, mysql, sqlite3, mbstring, xml need to be installed and running
  • php extention for curl (not required but makes composer run a little faster)
  • composer

Network requirements

Cerebrate communicates via HTTPS so in order to be able to connect to other cerebrate nodes, requiring the following ports to be open:

  • port 443 needs to be open for outbound connections to be able to pull contactdb / sharing group information in
  • Cerebrate also needs to be accessible (via port 443) from the outside if:
    • you wish to pull interconnect local tools with remote cerebrate instances
    • you wish to act as a hub node for a community where members are expected to pull data from your node

Cerebrate installation instructions

It should be sufficient to issue the following command to install the dependencies:

Note for Ubuntu 20.04 :

You will need to type this command first to be able to download php8 otherwise php 7.4 will be install instead.

sudo add-apt-repository ppa:ondrej/php
  • for apache
sudo apt install apache2 mariadb-server git php8.2-intl php8.2-mbstring php8.2-dom php8.2-xml unzip php8.2-ldap php8.2-sqlite3 ph8.2p-curl sqlite libapache2-mod-php php8.2-mysql
  • for nginx
sudo apt install nginx mariadb-server git php8.2-intl php8.2-mbstring php8.2-dom php8.2-xml unzip php8.2-ldap php8.2-sqlite3 ph8.2p-curl sqlite php8.2-mysql

Install composer:

cd
php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
php -r "if (hash_file('sha384', 'composer-setup.php') === '55ce33d7678c5a611085589f1f3ddf8b3c52d662cd01d4ba75c0ee0459970c2200a51f492d557530c71c15d8dba01eae') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
php composer-setup.php
php -r "unlink('composer-setup.php');"
sudo mv composer.phar /usr/local/bin/composer

Other

  • for apache
sudo apt install apache2 mariadb-server git composer php-intl php-mbstring php-dom php-xml unzip php-ldap php-sqlite3 php-curl sqlite libapache2-mod-php php-mysql
  • for nginx
sudo apt install nginx mariadb-server git composer php-intl php-mbstring php-dom php-xml unzip php-ldap php-sqlite3 sqlite php-fpm php-curl php-mysql

Clone this repository (for example into /var/www/cerebrate)

sudo mkdir /var/www/cerebrate
sudo chown www-data:www-data /var/www/cerebrate
sudo -u www-data git clone https://github.com/cerebrate-project/cerebrate.git /var/www/cerebrate

Run composer

sudo mkdir -p /var/www/.composer
sudo chown www-data:www-data /var/www/.composer
cd /var/www/cerebrate
sudo -H -u www-data composer install

Create a database for cerebrate

With a fresh install of Ubuntu sudo to the (system) root user before logging in as the mysql root

sudo -i mysql -u root

From SQL shell:

mysql
CREATE DATABASE cerebrate;
CREATE USER 'cerebrate'@'localhost' IDENTIFIED BY 'YOUR_PASSWORD';
GRANT USAGE ON *.* to cerebrate@localhost;
GRANT ALL PRIVILEGES ON cerebrate.* to cerebrate@localhost;
FLUSH PRIVILEGES;
QUIT;

Or from Bash:

sudo mysql -e "CREATE DATABASE cerebrate;"
sudo mysql -e "CREATE USER 'cerebrate'@'localhost' IDENTIFIED BY 'YOUR_PASSWORD';"
sudo mysql -e "GRANT USAGE ON *.* to cerebrate@localhost;"
sudo mysql -e "GRANT ALL PRIVILEGES ON cerebrate.* to cerebrate@localhost;"
sudo mysql -e "FLUSH PRIVILEGES;"

create your local configuration and set the db credentials

sudo -u www-data cp -a /var/www/cerebrate/config/app_local.example.php /var/www/cerebrate/config/app_local.php
sudo -u www-data cp -a /var/www/cerebrate/config/config.example.json /var/www/cerebrate/config/config.json
sudo -u www-data vim /var/www/cerebrate/config/app_local.php

Simply modify the Datasource -> default array's username, password, database fields This would be, when following the steps above:

    'Datasources' => [
        'default' => [
            'host' => 'localhost',
            'username' => 'cerebrate',
            'password' => 'YOUR_PASSWORD',
            'database' => 'cerebrate',

mod_rewrite needs to be enabled if using apache:

sudo a2enmod rewrite

Run the database schema migrations

sudo -u www-data /var/www/cerebrate/bin/cake migrations migrate
sudo -u www-data /var/www/cerebrate/bin/cake migrations migrate -p tags
sudo -u www-data /var/www/cerebrate/bin/cake migrations migrate -p ADmad/SocialAuth

Clean cakephp caches

sudo rm /var/www/cerebrate/tmp/cache/models/*
sudo rm /var/www/cerebrate/tmp/cache/persistent/*

Create an apache config file for cerebrate / ssh key and point the document root to /var/www/cerebrate/webroot and you're good to go

For development installs the following can be done for either apache or nginx:

# Apache
# This configuration is purely meant for local installations for development / testing
# Using HTTP on an unhardened apache is by no means meant to be used in any production environment
sudo cp /var/www/cerebrate/INSTALL/cerebrate_apache_dev.conf /etc/apache2/sites-available/
sudo ln -s /etc/apache2/sites-available/cerebrate_apache_dev.conf /etc/apache2/sites-enabled/
sudo service apache2 restart

OR

# NGINX
# This configuration is purely meant for local installations for development / testing
# Using HTTP on an unhardened apache is by no means meant to be used in any production environment
sudo cp /var/www/cerebrate/INSTALL/cerebrate_nginx.conf /etc/nginx/sites-available/
sudo ln -s /etc/nginx/sites-available/cerebrate_nginx.conf /etc/nginx/sites-enabled/
sudo systemctl disable apache2 # may be required if apache is using port
sudo service nginx restart
sudo systemctl enable nginx

Now you can point your browser to: http://localhost:8000

To log in use the default credentials below:

  • Username: admin
  • Password: Password1234