How to install the Grafana data visualization system on AlmaLinux


Need a data visualization platform but don’t have the budget for it? Jack Wallen shows you how to install the open-source Grafana system on AlmaLinux, both of which are free to use.

Image: Grafana

Grafana is one of the most popular open-source tools for visualizing data generated by numerous sources (such as Google Sheets, Amazon Timestream, Elasticsearch and nearly any database). With dynamic, interactive dashboards, this Go and Typescript-built platform makes it possible for you to query, visualize and monitor metrics.

Grafana is available for installation on Linux, macOS, and Windows. You can deploy Grafana on a local data center or a third-party cloud host. I’m going to walk you through the process of getting this system up and running on AlmaLinux, which is available for both bare-metal installations or from your cloud host of choice.

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What you’ll need

To make this work, you’ll need a running instance of AlmaLinux and a user with sudo privileges.

Let’s get to work.

How to add the Grafana repository

The first thing to be done is to add the necessary Grafana repository. Log into your AlmaLinux instance and issue the command:

sudo nano /etc/yum.repos.d/grafana.repo

Paste the following into the new file:

[grafana]
name=grafana
baseurl=https://packages.grafana.com/oss/rpm
repo_gpgcheck=1
enabled=1
gpgcheck=1
gpgkey=https://packages.grafana.com/gpg.key
sslverify=1
sslcacert=/etc/pki/tls/certs/ca-bundle.crt

Save and close the file.

How to install Grafana

Run a system update with the command:

sudo dnf update -y

When that completes, install Grafana with the command:

sudo dnf install grafana -y

When the installation finishes, start and enable Grafana with:

sudo systemctl enable --now grafana-server

Next, we need to open the necessary port for Grafana with the following commands:

sudo firewall-cmd --add-port=3000/tcp --permanent
sudo firewall-cmd --reload

How to access Grafana

With Grafana installed, it’s time to access the dashboard. Open a web browser and point it to http://SERVER:3000 (where SERVER is the IP address of the hosting server). You’ll be presented with the login screen (Figure A), where you’ll use the credentials admin/admin.

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Figure A

The Grafana login window requires the default username/password of admin/admin.
The Grafana login window requires the default username/password of admin/admin.

The Grafana login window requires the default username/password of admin/admin.

Click Login and you’ll be immediately prompted to change the default password (Figure B).

Figure B

Changing the default admin user password in Grafana.

Once you’ve successfully changed the admin password, you’ll be greeted by the default Grafana page (Figure C), where you can start building dashboards and importing data.

Figure C

The default Grafana dashboard is ready to get to work for you.

And that’s all there is to installing Grafana on AlmaLinux. With this combination, you cannot go wrong as a means to view and interact with your data. Add your first data source and enjoy that newfound visualization power.

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