Docker is a platform for developing, shipping, and running applications in containers. To install Docker on CentOS 7:
- Update Package Repository:
- Description: Updates the package repository to ensure you have the latest package information.
sudo yum update
- Install Docker Dependencies:
- Description: Installs necessary dependencies for Docker to function properly.
sudo yum install -y yum-utils
- Add Docker Repository:
- Description: Adds the Docker repository to your system's package manager configuration.
sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo --nogpgcheck
- Install Docker:
-
Description: Installs Docker packages, including the Docker engine, command-line client, and container runtime.
sudo yum install docker-ce
- Start Docker Service:
- Description: Starts the Docker service to enable container management.
sudo systemctl start docker
- Enable Docker on Boot:
- Description: Configures Docker to start automatically on system boot.
sudo systemctl enable docker
- Verify Docker Installation:
- Description: Verifies the successful installation of Docker and displays the version.
sudo docker --version
For more details and updates, refer to the official Docker documentation.