Install Redmine 5.1 on Ubuntu 22.04 LTS

2024-02-05  •  Tags: ,  •  KUROTANI Akihiro

Here are the steps to install Redmine 5.1 on Ubuntu 22.04 LTS with a minimal installation.

What is Redmine:
Redmine is a versatile, open-source project management tool built on Ruby on Rails. It offers features like multi-project support, issue tracking, time tracking, and custom fields. Visit the official website at to access a wealth of comprehensive information.

Environment Created by This Procedure

The environment created by this procedure is as follows:

Software Version
Redmine Redmine 5.1.1
OS Ubuntu 22.04.03 LTS
Database PostgreSQL 14.10
Web Server Apache (Passenger is used for running Rails)
Ruby 3.2.2

Installation of Necessary Packages

To use Redmine, you will need to install the necessary packages.

Update the package management system database

sudo apt update

Install development tools and header files necessary for building Ruby and Passenger

sudo apt install -y build-essential zlib1g-dev libssl-dev libreadline-dev libyaml-dev libcurl4-openssl-dev libffi-dev

Install PostgreSQL and header files

sudo apt install -y postgresql libpq-dev

Install Apache and header files

sudo apt install -y apache2 apache2-dev

Install other tools

sudo apt install -y subversion git

Installation of Ruby

Download Source Code

Download the latest version of the Ruby 3.2.2 source code from the official Ruby website download page.

curl -O
Redmine 5.1 supports Ruby versions 2.7 to 3.2. However, versions prior to Ruby 2.7 are no longer supported, and Ruby 3.0 is scheduled to end maintenance around March 2024, so please use Ruby 3.1 or later.

Build Ruby

Extract the downloaded Ruby tarball and build and install Ruby.

tar xvf ruby-3.2.2.tar.gz
cd ruby-3.2.2
./configure --disable-install-doc
sudo make install
cd ..

If you specify --disable-install-doc when executing configure, you can avoid installing Ruby documentation and shorten the operation time.

After the operation, run ruby -v to display the Ruby version and confirm that Ruby has been installed.

ruby -v
ruby 3.2.2 (2023-03-30 revision e51014f9c0) [x86_64-linux]

PostgreSQL Configuration

Creating a User for Redmine

sudo -i -u postgres createuser -P redmine
Enter password for new role: (Enter a password for the PostgreSQL user redmine)
Enter it again: (Re-enter the password)

※ Please set an arbitrary password for the PostgreSQL user redmine. This password will be used in the database.yml settings later.

Creating a Database for Redmine

sudo -i -u postgres createdb -E UTF-8 -O redmine -T template0 redmine

Redmine Installation

Download Redmine

Use the svn command to download the latest source code of Redmine 5.1.x to the deployment directory of Redmine. In the following example, the source code is downloaded to the directory redmine under /var/lib/.

sudo mkdir /var/lib/redmine
sudo chown www-data /var/lib/redmine
sudo -u www-data svn co /var/lib/redmine
Instead of using the svn command, you can also download the tarball from the following URL. But using the svn command is lower effort and easier.

Database Connection Settings

Create a file for settings connecting to the database from Redmine.

Create config/database.yml under the Redmine installation directory (e.g., /var/lib/redmine) with the following content:

  adapter: postgresql
  database: redmine
  host: localhost
  username: redmine
  password: "********"
  encoding: utf8

******** part is the password for the redmine user created on PostgreSQL. ※ A configuration example is provided in config/database.yml.example for reference.

Create config/configuration.yml

Create a file that includes the settings connecting to the mail server.

Create config/configuration.yml under the Redmine installation directory with the following content:

    delivery_method: :smtp
      address: "localhost"
      port: 25
      domain: ""

※ Replace the part of with the FQDN of the server running Redmine. ※ A configuration example is provided in config/configuration.yml.example for reference. ※ To enable mail sending, setup of MTA is required.

In configuration.yml, you can also set the storage location for uploaded files and database encryption.

Move to Redmine Installation Directory

cd /var/lib/redmine

Install gem Packages

Use Ruby's package management tool bundler to install the gem packages that Redmine depends on. Execute the following commands in the Redmine installation directory.

sudo bundle config set --local without 'development test'
sudo bundle install

Initial Setup for Redmine

Perform initial setup related to the operation of Redmine. Execute the following commands in the Redmine installation directory.

Create a Secret Token for Session Tampering Prevention

sudo -u www-data bin/rake generate_secret_token

Create Database Tables

Create tables in the database specified in config/database.yml.

sudo -u www-data RAILS_ENV=production bin/rake db:migrate

Install Passenger

Install Phusion Passenger, used to run Rails applications like Redmine on Apache.

sudo gem install passenger -N
-N is an option to omit the installation of documentation.

Install Passenger Module for Apache

Execute the following command to build and install the module for Apache.

sudo passenger-install-apache2-module --auto --languages ruby

Confirming Configuration Details for Apache

Executing the command below will display the configuration that should be added to Apache. This information will be used later when configuring Apache.

passenger-install-apache2-module --snippet

Configuring Apache

Please create /etc/apache2/conf-available/redmine.conf with the following content:

# Configuration to allow access to Redmine's image files, CSS files, etc.
# By default in Apache 2.4, access to all files on the server is forbidden.

<Directory "/var/lib/redmine/public">
  Require all granted

# Basic configuration for Passenger.
# Describe the configuration displayed by passenger-install-apache2-module --snippet.
# The settings below will vary depending on the environment, so do not simply copy these lines as is, but always use the ones displayed by `passenger-install-apache2-module --snippet`.

LoadModule passenger_module /usr/local/lib/ruby/gems/3.2.0/gems/passenger-6.0.19/buildout/apache2/
<IfModule mod_passenger.c>
  PassengerRoot /usr/local/lib/ruby/gems/3.2.0/gems/passenger-6.0.19
  PassengerDefaultRuby /usr/local/bin/ruby

# Add settings for Passenger tuning as necessary (optional).
# For more details, refer to Configuration reference - Passenger + Apache (
PassengerMaxPoolSize 20
PassengerMaxInstancesPerApp 4
PassengerPoolIdleTime 864000
PassengerStatThrottleRate 10

# Allow access to Redmine's installation directory
<Directory /var/lib/redmine/public>
    Allow from all
    Options -MultiViews
    Require all granted

Applying Apache Configuration

Execute the following commands to ensure /etc/apache2/conf-available/redmine.conf is loaded at Apache startup and to apply the configuration to the running Apache.

sudo a2enconf redmine
apache2ctl configtest
sudo systemctl reload apache2

Configure to Run Redmine on Apache with Passenger

The configuration depends on what URL format to run Redmine. Here are two examples.

Pattern 1: Using the web server exclusively for Redmine

This is the configuration for running Redmine in the root directory of the web server. Redmine can be accessed at http://server IP address or hostname/.

Open /etc/apache2/sites-enabled/000-default.conf in an editor and change DocumentRoot to Redmine's public directory (e.g., /var/lib/redmine/public).

DocumentRoot /var/www/html
DocumentRoot /var/lib/redmine/public

After changing the settings, restart Apache.

apache2ctl configtest
sudo systemctl reload apache2

Pattern 2: Running Redmine in a Subdirectory

Configure to access Redmine in a subdirectory of the URL (e.g., http://server IP address or hostname/redmine). This setting is convenient when running applications other than Redmine on the same server or when running multiple Redmines.

Add the following configuration to the previously created Redmine-related Apache configuration file /etc/apache2/conf-available/redmine.conf. In the example below, the highlighted part represents the subdirectory name.

Alias /redmine /var/lib/redmine/public
<Location /redmine>
  PassengerBaseURI /redmine
  PassengerAppRoot /var/lib/redmine

After configuring, execute the following commands to restart Apache.

apache2ctl configtest
sudo systemctl reload apache2

Initial Setup After Installation

Once the installation is complete, you can access Redmine via a web browser.

For instructions on initial setup after installation, please see below.

Created: 2024-02-05  •  Tags: ,