Docker Installation on CentOS
In this tutorial, we will guide you on how to install Docker on a CentOS machine. Docker is a popular platform that enables developers to deploy, run, and manage applications inside containers. These containers are lightweight, portable, and can run on any system without any changes.
Follow the step-by-step instructions below to install Docker on your CentOS system:
Prerequisites
Before you begin the installation process, ensure that you have:
- A CentOS machine with sudo privileges
- Access to the internet
Step 1: Update your System
It is always recommended to update your system packages before starting any installation process. You can update your CentOS machine by running the following command:
sudo yum update -y
Step 2: Install Required Packages
Next, you need to install some required packages that are necessary for the Docker installation process. Run the following command to install these packages:
sudo yum install -y yum-utils device-mapper-persistent-data lvm2
Step 3: Add Docker Repository
Add the Docker repository to your system by executing the following command:
sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
Step 4: Install Docker
Finally, you can install Docker on your CentOS machine by running the command below:
sudo yum install docker-ce docker-ce-cli containerd.io
Step 5: Start and Enable Docker
After the installation is complete, start the Docker service and enable it to automatically start at system boot by running the following commands:
sudo systemctl start docker
sudo systemctl enable docker
That’s it! Docker is now successfully installed on your CentOS machine. You can verify the installation by checking the Docker version:
docker --version
You are now ready to create, run, and manage Docker containers on your CentOS system. Enjoy exploring the world of containerization with Docker!
For more information and advanced configurations, refer to the official Docker documentation.