How to install and setup Docker on RHEL 7/CentOS 7

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To install and setup Docker on RHEL 7/CentOS 7:

  1. Update the system:
$ sudo yum update
  1. Add the Docker CE repository:
$ sudo yum install -y yum-utils
$ sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
  1. Install Docker CE:
$ sudo yum install docker-ce
  1. Start Docker and enable it to start at boot:
$ sudo systemctl start docker
$ sudo systemctl enable docker
  1. Verify Docker installation by running the hello-world image:
$ sudo docker run hello-world

After successful installation, you can use the docker command to interact with the Docker engine.

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