How to Setup FluxBB with Nginx on Ubuntu Linux

ubuntu 3344434 640
ubuntu 3344434 640

FluxBB is a free, open-source bulletin board software based on phpBB. It allows users to set up community bulletin boards quickly and is designed as a lighter, faster alternative to feature-heavy forum applications. The software is highly customizable with features like a phpBB bulletin board, CMS features, a clean administration interface, a photo gallery, downloads, a knowledge base, and many more. The tutorial helps users install and use FluxBB on Ubuntu 18.04/16.04 with Nginx, MySQL, and PHP support.

FluxBB is a free, open-source, flat-forum bulletin board software based on phpBB. It enables individuals and web admins to set up community bulletin boards in minutes to stay in touch with groups of people or ideas.

FluxBB is a high customization with tons of features. It is designed as a lighter, faster alternative to some of the traditional feature-heavy forum applications like the original phpBB platform.

So, if you’re a student or new user looking for bulletin board software with the look and feel of phpBB but with many more features, FluxBB is what you’ll want to install.

This tutorial will show students and new users how to install and use FluxBB Ubuntu 18.04 | 16.04 with Nginx, MySQL, and PHP support.

Some of the features included with FluxBB are:

  • phpBB bulletin board and permission system
  • CMS features allow the creation of new pages and blocks
  • Clean administration interface
  • Many ready to use features: Photo Gallery, Downloads, Knowledge Base, Links, Chat.
  • Multi-language and multi-template ready
  • Lots of community modifications
  • .and many others.

To get started with installing FluxBB, follow the steps below:

Install Nginx

FluxBB is PHP-based and requires a webserver. The most popular open-source web server in use today is Nginx. To install Nginx, run the commands below:

sudo apt update
sudo apt-get install nginx

After installing Nginx, the commands below can be used to stop, start and enable the Nginx service to always start up with the server boots.

sudo systemctl stop nginx.service
sudo systemctl start nginx.service
sudo systemctl enable nginx.service

To test the Nginx setup, open your browser and browse to the server hostname or IP address and you should see the Nginx default test page as shown below. When you see that, then Nginx is working as expected.

nginx default home page test

Install MySQL Database Server

A MySQL database server is a great place to start when looking at open-source databases to use with FluxBB. To install MySQL run the commands below.

sudo apt-get install mysql-server mysql-client

After installing MySQL, the commands below can stop, start and enable MySQL service to start up when the server boots.

Run these on Ubuntu

sudo systemctl stop mysql.service
sudo systemctl start mymsql.service
sudo systemctl enable mysql.service

After that, run the commands below to secure the MySQL server by creating a root password and disallowing remote root access.

sudo mysql_secure_installation

When prompted, answer the questions below by following the guide.

  • Enter current password for root (enter for none): Just press the Enter
  • Set root password? [Y/n]: Y
  • New password: Enter password
  • Re-enter new password: Repeat password
  • Remove anonymous users? [Y/n]: Y
  • Disallow root login remotely? [Y/n]: Y
  • Remove test database and access to it? [Y/n]:  Y
  • Reload privilege tables now? [Y/n]:  Y

Restart MySQL server

To test if MySQL is installed, type the commands below to logon to the server.

sudo mysql -u root -p

Then type the password you created above to sign on. if successful, you should see MySQL welcome message

Install PHP 7.2-FPM and Related Modules

PHP 7.2 may not be available in Ubuntu default repositories. To install it, you will have to get it from third-party repositories.

Run the commands below to add the below third party repository to upgrade to PHP 7.2-FPM

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

Then update and upgrade to PHP 7.2-FPM

sudo apt update

Next, run the commands below to install PHP 7.2-FPM and related modules.

sudo apt install php7.2-fpm php7.2-common php7.2-curl php7.2-intl php7.2-mbstring php7.2-xmlrpc php7.2-mysql php7.2-gd php7.2-pgsql php7.2-xml php7.2-cli php7.2-imagick php7.2-bcmath php7.2-gmp php7.2-zip

After installing PHP 7.2, run the commands below to open Nginx’s PHP default config file.

sudo nano /etc/php/7.2/fpm/php.ini

Then save the changes on the following lines below in the file. The value below is an ideal setting to apply in your environment.

file_uploads = On
allow_url_fopen = On
short_open_tag = On
memory_limit = 256M
upload_max_filesize = 100M
max_execution_time = 360
date.timezone = America/Chicago

After making the change above, please save the file and close it.

To restart Nginx, run the commands below

sudo systemctl restart nginx.service

To test PHP 7.2 settings with Nginx, create a phpinfo.php file in the Nginx root directory by running the commands below

sudo nano /var/www/html/phpinfo.php

Then type the content below and save the file.

<?php phpinfo( ); ?>

Save the file. Then browse to your server hostname followed by /phpinfo.php


You should see the PHP default test page.

PHP 7.2 ubuntu nginx

Create FluxBB Database

Now that you’ve installed all the required packages, continue below to start configuring the servers. First, create a FluxBB database.

Run the commands below to log on to MySQL. When prompted for a password, type the root password you created above.

sudo mysql -u root -p

Then create a database called fluxbb


Create a database user called fluxbbuser with a new password

CREATE USER 'fluxbbuser'@'localhost' IDENTIFIED BY 'new_password_here';

Then grant the user full access to the fluxbbuser database.

GRANT ALL ON fluxbb.* TO 'fluxbbuser'@'localhost' WITH GRANT OPTION;

Finally, save your changes and exit.


Download FluxBB Latest Release

Next, continue below to download the FluxBB package. To download, go to the link below and download the latest version.

After downloading, run the commands below to extract the downloaded file into the Nginx root directory.

sudo mv fluxbb-1.5.11 /var/www/fluxbb

Change or modify the directory permission to fit the Nginx configuration.

sudo chown -R www-data:www-data /var/www/fluxbb
sudo chmod -R 755 /var/www/fluxbb

Configure Nginx

Finally, configure the Apahce2 site configuration file for FluxBB. This file will control how users access FluxBB content. Run the commands below to create a new configuration file called fluxbb

sudo nano /etc/nginx/sites-available/fluxbb

Then copy and paste the content below into the file and save it. Replace the highlighted line with your domain name and directory root location.

server {
    listen 80;
    listen [::]:80;
    root /var/www/fluxbb;
    index  index.php index.html index.htm;

    location / {
    try_files $uri $uri/ @rewriteapp;        

    location /install/ {
     try_files $uri $uri/ @rewrite_installapp;

    location ~ \.php(/|$) {
    fastcgi_split_path_info  ^(.+\.php)(/.+)$;
    fastcgi_index            index.php;
    fastcgi_pass             unix:/var/run/php/php7.2-fpm.sock;
    include                  fastcgi_params;
    fastcgi_param   PATH_INFO       $fastcgi_path_info;
    fastcgi_param   SCRIPT_FILENAME $document_root$fastcgi_script_name;
    fastcgi_param DOCUMENT_ROOT $realpath_root;
    try_files $uri $uri/ /install/app.php$is_args$args;

     location @rewrite_installapp {
      rewrite ^(.*)$ /install/app.php/$1 last;


Save the file and exit.

Enable the FluxBB

After configuring the VirtualHost above, please enable it by running the commands below.

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

Then open your browser and browse to the server domain name, followed by Install. You should see the FluxBB setup wizard complete. Please follow the wizard carefully.

Type in the database name, username, and password.

FluxBB Ubuntu Install

In the Administrator section, create a new admin account and password. Then click Install

FluxBB Ubuntu Install

That’s it!

FluxBB Ubuntu Install

After that, all should be installed and ready to use


Run the commands below to delete the install directory

sudo rm -rf /var/www/fluxbb/install

Congratulation! You have successfully installed the FluxBB bulletin board on Ubuntu 18.04.

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