Dolibarr Installation

Install dolibarr dependencies:

sudo apt update && sudo apt upgrade -y
sudo apt-get install software-properties-common
sudo add-apt-repository ppa:ondrej/php
sudo apt install -y php7.0 php7.0-cli php7.0-fpm php7.0-common php7.0-mysql php7.0-pgsql php7.0-sqlite3 php7.0-gd php7.0-mbstring php7.0-mcrypt php7.0-soap php7.0-curl php7.0-zip php7.0-xml nginx unzip
wget https://dev.mysql.com/get/mysql-apt-config_0.8.12-1_all.deb
sudo dpkg -i mysql-apt-config_0.8.12-1_all.deb
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 467B942D3A79BD29
sudo apt-get update && sudo apt-cache policy mysql-server && sudo apt install -f mysql-client=5.7.41-1ubuntu18.04 mysql-community-server=5.7.41-1ubuntu18.04 mysql-server=5.7.41-1ubuntu18.04

Install composer:

php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
php composer-setup.php
php -r "unlink('composer-setup.php');"
sudo mv composer.phar /usr/local/bin/composer

Edit nginx configuration:

nano /etc/nginx/sites-available/dolibarr.conf

server {
  listen [::]:80;
  listen 80;

  server_name _; # Check this
  root /var/www/dolibarr/htdocs; # Check this

  index index.php index.html index.htm;
  charset utf-8;

  location / {
    try_files $uri $uri/ /index.php;
  }

  location ~ [^/]\.php(/|$) {
    try_files $uri =404;
    fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
    fastcgi_read_timeout 600;
    include fastcgi_params;
    fastcgi_pass unix:/var/run/php/php7.0-fpm.sock;
  }

}

Apply nginx configuration:

sudo ln -s /etc/nginx/sites-available/dolibarr.conf /etc/nginx/sites-enabled/
systemctl restart nginx.service

Download dolibarr:

sudo mkdir -p /var/www/dolibarr
cd /var/www/dolibarr
composer create-project dolibarr/dolibarr .
sudo chown -R www-data:www-data /var/www/dolibarr

Source

1. https://www.vultr.com/docs/how-to-install-dolibarr-on-ubuntu-16-04