How to Install Redmine on OpenSUSE Latest

Redmine is a free and open-source web-based project management software that helps you manage multiple projects from a single platform. If you want to install Redmine on OpenSUSE, here is a step-by-step tutorial:

Prerequisites

Before starting the installation process, please ensure that your server meets the following requirements:

OpenSUSE Latest version
Apache web server
MySQL or PostgreSQL database server
PHP version 5.6 or higher
Ruby 2.2 or higher
Git

Steps to install Redmine

Update the OpenSUSE package manager by running the following command:
```
sudo zypper refresh
```
Install the Apache web server:
```
sudo zypper install apache2
```

Install MySQL or PostgreSQL database server:

For MySQL:

sudo zypper install mysql mysql-client mysql-devel

For PostgreSQL:

sudo zypper install postgresql postgresql-server postgresql-devel

Install PHP and its required modules:

sudo zypper install php7 php7-pdo php7-pgsql php7-mysql php7-gd php7-json php7-mbstring php7-curl php7-xml php7-zip php7-intl

Install Ruby:
```
sudo zypper install ruby ruby-devel
```
Install the Bundler gem:
```
sudo gem install bundler
```

Download the Redmine package from the official website:

wget https://www.redmine.org/releases/redmine-4.1.1.tar.gz

Extract the downloaded package:
```
tar -xzf redmine-4.1.1.tar.gz
```
Move the extracted Redmine directory to Apache's document root:
```
sudo mv redmine-4.1.1 /srv/www/htdocs/redmine
```
Change the ownership of the Redmine directory to Apache user:
```
sudo chown -R apache:apache /srv/www/htdocs/redmine
```
Go to the Redmine directory and install the required gems using Bundler:
```
cd /srv/www/htdocs/redmine
bundle install --without development test
```

Copy the database configuration file:

cp config/database.yml.example config/database.yml

Edit the database configuration file and replace the default database name, username, and password:
```
sudo nano config/database.yml
```

Create the database and its user:

For MySQL:

CREATE DATABASE redmine CHARACTER SET utf8mb4;
CREATE USER 'redmine'@'localhost' IDENTIFIED BY 'password';
GRANT ALL PRIVILEGES ON redmine.* TO 'redmine'@'localhost';

For PostgreSQL:

CREATE DATABASE redmine WITH ENCODING='UTF8' LC_COLLATE='en_US.utf8' LC_CTYPE='en_US.utf8';
CREATE USER redmine WITH PASSWORD 'password';
GRANT ALL PRIVILEGES ON DATABASE redmine TO redmine;

Initialize the database:

RAILS_ENV=production bundle exec rake db:migrate

Generate the secret key:

RAILS_ENV=production bundle exec rake generate_secret_token

Create the default administrator account:

RAILS_ENV=production bundle exec rake redmine:load_default_data

Install and configure the Phusion Passenger module:

sudo zypper install libapache2-mod-passenger

sudo nano /etc/apache2/conf.d/passenger.conf

Add the following line:

LoadModule passenger_module /usr/lib64/apache2/mod_passenger.so

Restart the Apache web server:
```
sudo systemctl restart apache2
```
Access the Redmine web interface using your browser:
```
http://your-server-ip-address/redmine
```

Conclusion

In this tutorial, you learned how to install Redmine on OpenSUSE latest. Now, you can start managing your projects using Redmine.