Mattermost - Install server using tarball

wget https://releases.mattermost.com/9.5.1/mattermost-9.5.1-linux-amd64.tar.gz

tar -xvzf mattermost*.gz

sudo mv mattermost /opt

sudo mkdir /opt/mattermost/data

sudo useradd --system --user-group mattermost

sudo chown -R mattermost:mattermost /opt/mattermost

sudo chmod -R g+w /opt/mattermost

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

[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

sudo cp /opt/mattermost/config/config.json /opt/mattermost/config/config.defaults.json

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

• Set DriverName to "postgres". This is the default and recommended database for all Mattermost installations.

• Set DataSource to "postgres://mmuser:<mmuser-password>@<host-name-or-IP>:5432/mattermost?sslmode=disable&connect_timeout=10" replacing mmuser, <mmuser-password>, <host-name-or-IP>, and mattermost with your database name.

• Set your "SiteURL": The domain name for the Mattermost application (e.g. https://mattermost.example.com).

sudo systemctl start mattermost

sudo systemctl enable mattermost.service