How to Install Docker on CentOS 7
Have you been wanting to install Docker on your CentOS 7 server but aren’t quite sure where to start? Don’t worry, we’ve got you covered. In this step-by-step guide, we’ll walk you through the process of installing Docker on CentOS 7, so you can start containerizing your applications in no time.
Step 1: Update Your System
Before you begin the Docker installation process, it’s essential to ensure that your CentOS 7 system is up to date. You can do this by running the following command:
sudo yum -y update
This command will update all of your system’s packages to their latest versions, ensuring that you have the most recent software installed on your server.
Step 2: Install Docker
Once your system is up to date, you can begin the Docker installation process. To install Docker on CentOS 7, follow these steps:
Install Required Packages
- Install the required packages:
sudo yum install -y yum-utils device-mapper-persistent-data lvm2
Add Docker Repository
Add the Docker repository by running the following command:
sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
Install Docker
Install Docker by running the following command:
sudo yum install docker-ce docker-ce-cli containerd.io
Step 3: Start and Enable Docker
Once Docker is installed, you can start and enable the Docker service by running the following commands:
sudo systemctl start docker
sudo systemctl enable docker
These commands will start the Docker service and configure it to start automatically on system boot.
Step 4: Verify Docker Installation
To verify that Docker has been successfully installed on your CentOS 7 server, you can run the following command:
docker --version
If Docker has been installed correctly, you should see the version number displayed in the output.
Step 5: Docker Usage
Now that Docker is installed on your CentOS 7 server, you can start using it to containerize your applications. Make sure to check the Docker documentation for more information on how to create and manage containers.
Congratulations! You have successfully installed Docker on CentOS 7. You’re now ready to take advantage of containerization technology and streamline your application deployment process.