How to do a full install of Mattermost on Ubuntu Server 22.04


Stack of hands. Unity and teamwork concept.
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Recently I’ve covered two different routes to deploying Mattermost to your network. The first method was via a TurnKey Linux virtual appliance and the second installed a newer version of the platform (which included kanban boards and Playlists) using Docker.

SEE: 40+ open source and Linux terms you need to know (TechRepublic Premium)

This time around, however, we’re going to do a full installation of Mattermost on Ubuntu Server 22.04. For anyone who wants a production-ready instance of Mattermost, this is the route to go. Let’s dive in and get this amazing, open-source collaboration tool up and running.

What you’ll need

The only two things you’ll need to get Mattermost installed in this fashion are a running instance of Ubuntu Server 22.04 (although it will also work on Ubuntu 20.04) and a user with sudo privileges. That’s it, let’s get this tool up and running.

How to install the MySQL database server

The first thing to do is install the necessary database server (Mattermost can be run with either MySQL or PostgreSQL). Log into Ubuntu Server and install MySQL database server with:

sudo apt-get install mysql-server -y

Once the installation completes, secure the database server with:

sudo mysql_secure_installation

Make sure to set a strong password for the admin user and answer y to the remaining questions.

Start and enable the database server with the following commands:

sudo systemctl start mysqld

sudo systemctl enable mysql

How to create the database and user

Log in to the MySQL console with the command:

sudo mysql -u root -p

Create the required database with:

CREATE DATABASE mattermost;

Create the new user with:

CREATE USER 'mmuser'@'localhost' IDENTIFIED BY 'PASSWORD';

Where PASSWORD is a strong/unique password.

Grant the necessary permissions to the new database with:

GRANT ALL PRIVILEGES ON mattermost.* TO 'mmuser'@'localhost';

Flush the privileges and exit the console with:

FLUSH PRIVILEGES;

exit

How to download and extract Mattermost

Download the latest version of Mattermost (make sure to check and see that you’re downloaded the latest release) with the command:

wget wget https://releases.mattermost.com/6.6.0/mattermost-6.6.0-linux-amd64.tar.gz

Unpack the file with:

tar -xvzf mattermost*.gz

Move the newly created directory with the command:

sudo mv mattermost /opt

Create a storage directory with:

sudo mkdir /opt/mattermost/data

How do create a new user and set the proper permissions

Create a new Mattermost user and group with the command:

sudo useradd --system --user-group mattermost

We now need to set the Mattermost directory to be owned by the mattermost user and group with:

sudo chown -R mattermost:mattermost /opt/mattermost

Finally, set the proper permissions with:

sudo chmod -R g+w /opt/mattermost

How to configure the Mattermost server for the database

Open the Mattermost configuration file with:

sudo nano  /opt/mattermost/config/config.json

In that file, look for two lines that start with:

"DriverName":
"DataSource":

Those two lines should like exactly like this (substituting PASSWORD for the password you set for the mmuser database user):

"DriverName": "mysql",
"DataSource": "mmuser:[email protected](localhost:3306)/mattermost?charset=utf8mb4,utf8u0026readTimeout=30su0026writeTimeout=30s",

Save and close the file.

How to create a systemd startup file

Time to create a systemd startup file for Mattermost. Create the file with the command:

sudo nano /lib/systemd/system/mattermost.service

Paste the following contents into that file:

[Unit]
Description=Mattermost
After=network.target
After=postgresql.service
BindsTo=postgresql.service
[Service]
Type=notify
ExecStart=/opt/mattermost/bin/mattermost
TimeoutStartSec=3600
KillMode=mixed
Restart=always
RestartSec=10
WorkingDirectory=/opt/mattermost
User=mattermost
Group=mattermost
LimitNOFILE=49152
[Install]
WantedBy=multi-user.target

Reload the systemd daemon with:
sudo systemctl daemon-reload
Start and enable the service with:
sudo systemctl enable --now mattermost

How to finish up the installation

We can now finish up the installation by logging into the web-based interface at http://SERVER:8065 (Where SERVER is the IP address or domain of the hosting server). You should be greeted by the initial account creation window (Figure A).

Figure A

Your Mattermost instance is almost complete.
Your Mattermost instance is almost complete.

Fill out the required information and click Create Account. Next, you’ll be prompted to name your organization (Figure B).

Figure B

Naming your organization with the Mattermost setup tool.
Naming your organization with the Mattermost setup tool.

Click Continue and then, when prompted, confirm the server URL (Figure C) and click Continue.

Figure C

You must confirm the server URL before continuing.
You must confirm the server URL before continuing.

Click Continue and then select how you plan on using Mattermost (Figure D).

Figure D

How will you be using Mattermost?
How will you be using Mattermost?

Make your selection and click Continue. You will then be asked if you want to connect any available third-party tools to your Mattermost instance (Figure E).

Figure E

You can skip this step for now and come back to it later.
You can skip this step for now and come back to it later.

Click Continue to finish up the installation.

Finally, you’ll be asked to create your first Mattermost channel (Figure F).

Figure F

Adding a channel to your Mattermost instance.
Adding a channel to your Mattermost instance.

Type a name for the channel and click Continue. You can then invite members to the instance by copying the invite link and clicking Finish Setup, which will launch your Workspace where you’re ready to get to the business of business (Figure G).

Figure G

Our Mattermost deployment is complete.
Our Mattermost deployment is complete.

Congratulations, you’ve just deployed Mattermost to Ubuntu Server for a full-featured, collaboration platform that will empower your teams to do great things.

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