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How to Install Portainer on CentOS 8

How to Install Portainer on CentOS 8

Portainer is a powerful open-source container management tool that allows users to easily manage their Docker environments. It provides a web-based graphical interface that simplifies container management and deployment, making it an ideal choice for both developers and system administrators. In this tutorial, we will learn how to install Portainer on CentOS 8.

Prerequisites:

Before we begin, we need to ensure that the following requirements are met:

  • A server running CentOS 8.
  • A user account with sudo privileges.
  • Docker installed on the server.

Table of Contents

  1. Install Docker on CentOS 8
  2. Download and Run Portainer Container
  3. Access Portainer Web UI

Commands:

Here are the commands used in this tutorial:

  • sudo yum update
  • sudo yum install -y docker
  • sudo systemctl start docker
  • sudo systemctl enable docker
  • sudo docker run -d -p 9000:9000 --name portainer --restart always -v /var/run/docker.sock:/var/run/docker.sock -v portainer_data:/data portainer/portainer-ce

Step-by-step Instructions:

Step 1: Update the system

The first step is to update the system to ensure that we have the latest packages installed. To do this, run the following command:

sudo yum update

Step 2: Install Docker on CentOS 8

Portainer requires Docker to be installed on the server. If Docker is not installed, we can install it using the following command:

sudo yum install -y docker

Step 3: Start and enable Docker

After installing Docker, start and enable the Docker service to ensure that it starts automatically after a reboot.

sudo systemctl start docker
sudo systemctl enable docker

Step 4: Download and run the Portainer container

Now we are ready to download and run the Portainer container. We will use the following command to download and run the Portainer container:

sudo docker run -d -p 9000:9000 --name portainer --restart always -v /var/run/docker.sock:/var/run/docker.sock -v portainer_data:/data portainer/portainer-ce

This command will download and run the Portainer container in detached mode, map port 9000 to the container's port 9000, and create two volumes: one for the Docker socket and one for Portainer's data.

Step 5: Access Portainer web UI

Once the container is running, we can access the Portainer web UI by opening a web browser and navigating to http://SERVER_IP:9000. Replace SERVER_IP with the IP address of your server.

We will be prompted to create an admin user and password the first time we access the web UI. After creating the user, we can start using Portainer to manage our Docker environment.

More Examples:

  • To stop the Portainer container, run the command: sudo docker stop portainer
  • To remove the Portainer container, run the command: sudo docker rm portainer
  • To remove the Portainer volume, run the command: sudo docker volume rm portainer_data

Portainer is a powerful tool that simplifies the management and deployment of Docker containers. In this tutorial, we learned how to install Portainer on CentOS 8, and how to use it to manage Docker containers. By following the steps outlined in this tutorial, you should now have a working installation of Portainer on your CentOS 8 server.

Related Searches and Questions asked:

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  • That's it for this post. Keep practicing and have fun. Leave your comments if any.

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