How to Install Mattermost Server on Rocky Linux 8

Mattermost is an open-source messaging platform designed for team collaboration. It can be used as an alternative to Slack, providing a self-hosted solution. In this guide, we will walk through the steps to install Mattermost Server on Rocky Linux 8.

Step 1: Update Your System

Start by ensuring your system is up to date:

sudo dnf update -y

Step 2: Install Required Dependencies

Install the necessary dependencies for Mattermost:

sudo dnf install -y wget vim

Step 3: Install PostgreSQL

Mattermost requires a database to store data. We will use PostgreSQL:

sudo dnf install -y postgresql postgresql-server postgresql-contrib

Initialize the PostgreSQL database:

sudo postgresql-setup initdb

Start and enable the PostgreSQL service:

sudo systemctl start postgresql
sudo systemctl enable postgresql

Step 4: Create a Database for Mattermost

Log in to PostgreSQL and create a database and user for Mattermost:

sudo -u postgres psql

Inside the PostgreSQL shell, run the following commands:

CREATE DATABASE mattermost;
CREATE USER mattermost WITH PASSWORD 'password';  -- replace 'password' with a strong password
GRANT ALL PRIVILEGES ON DATABASE mattermost TO mattermost;
\q

Step 5: Download and Install Mattermost

Download the latest version of Mattermost:

wget https://releases.mattermost.com/desktop/4.7.2/mattermost-4.7.2-linux-amd64.tar.gz

Extract the downloaded archive:

tar -xvzf mattermost-4.7.2-linux-amd64.tar.gz

Move Mattermost to the desired installation directory:

sudo mv mattermost /opt/

Step 6: Configure Mattermost

Edit the configuration file located at:

sudo vim /opt/mattermost/config/config.json

Set the database settings:

"DriverName": "postgres",
"DataSource": "mattermost:password@localhost:5432/mattermost?sslmode=disable"

Replace 'password' with the password you set earlier.

Step 7: Start Mattermost

Change to the Mattermost directory and start the server:

cd /opt/mattermost
sudo -u mattermost ./bin/mattermost

Step 8: Configure Nginx (Optional)

If you want to use Nginx as a reverse proxy, install Nginx:

sudo dnf install -y nginx

Create a configuration file for Mattermost in Nginx:

sudo vim /etc/nginx/conf.d/mattermost.conf

Add the following configuration:

server {
        listen 80;
        server_name your_domain_or_IP;

        location / {
            proxy_pass http://localhost:8065;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection 'upgrade';
            proxy_set_header Host $host;
            proxy_cache_bypass $http_upgrade;
        }
    }

Step 9: Start Nginx

Start and enable Nginx:

sudo systemctl start nginx
sudo systemctl enable nginx

Conclusion

You have successfully installed Mattermost Server on Rocky Linux 8. This self-hosted platform will enhance your team's collaboration.

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