Tutorial: How to install Mermaid on Fedora CoreOS

Mermaid is a JavaScript based diagramming and charting tool that is widely used for creating flowcharts, UML diagrams, and other visual representations of data. In this tutorial, we will learn how to install Mermaid on the latest version of Fedora CoreOS.

Prerequisites:

Before we start, make sure that you have the following prerequisites installed on your system:

• The latest version of Fedora CoreOS
• Docker CE
• An internet connection

Step 1: Install Docker CE

To install Docker CE on Fedora CoreOS, follow these steps:

1. Open a terminal window on your Fedora CoreOS.

2. Type the following commands to install Docker CE:

   sudo dnf -y install dnf-plugins-core
   
   sudo dnf config-manager \
       --add-repo \
       https://download.docker.com/linux/fedora/docker-ce.repo
   
   sudo dnf install docker-ce
   

3. Start Docker CE by running the following command:

   sudo systemctl start docker 
   

4. Verify that Docker CE is installed by running the following command:

   sudo docker --version
   

   If Docker CE is installed correctly, you should see output similar to the following:

   Docker version 20.10.6, build 370c289
   

Step 2: Run Mermaid Live Editor

Mermaid offers an online editor to create, save, and share Mermaid diagrams. To run the Mermaid Live Editor on Fedora CoreOS, follow these steps:

1. Open a terminal window on your Fedora CoreOS.

2. Run the following command to start the Mermaid Live Editor Docker container:

   sudo docker run -p 9000:9000 mermaidjs/mermaid-cli:8.9.2 -p 9000:9000
   

3. Open a web browser and navigate to http://localhost:9000. You should see the Mermaid Live Editor.

Step 3: Use Mermaid Live Editor

Now that the Mermaid Live Editor is up and running, you can create, save, and share diagrams. To create a diagram, use the toolbar on the left-hand side of the editor. You can choose from a variety of shapes, arrows, and text boxes to create your diagram. Once your diagram is complete, you can save it and share it with others.

Conclusion:

Congratulations, you have successfully installed Mermaid on Fedora CoreOS using the Docker container. You can now use Mermaid to create a variety of diagrams and charts.

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