Docker Installation

Estimated time to read: 2 minutes

Install Docker Engine on RHEL

1. Uninstall the old versions CRI

   sudo yum remove docker \
                     docker-client \
                     docker-client-latest \
                     docker-common \
                     docker-latest \
                     docker-latest-logrotate \
                     docker-logrotate \
                     docker-engine \
                     podman \
                     runc
   

2. Docker Installation

   • 2.1 Setup the Repository

     sudo yum install -y yum-utils
     

     sudo yum-config-manager --add-repo https://download.docker.com/linux/rhel/docker-ce.repo
     

     Note: If you want to can check the repo status --> yum repolist

3. Install Docker

   • 3.1 Install latest version of docker

     sudo yum install docker-ce docker-ce-cli containerd.io docker-compose-plugin -y
     

     Note: Install specific version of docker

     sudo yum install docker-ce-<VERSION_STRING> docker-ce-cli-<VERSION_STRING> containerd.io docker-buildx-plugin docker-compose-plugin
     

4. Start Docker

   sudo systemctl start docker
   

5. Enable docker

   systemctl enable docker.service
   

6. Check docker status

   systemctl status docker.service --no-pager
   

7. Verify that the Docker Engine installation is successful by running the hello-world image.

   sudo docker run hello-world
   

   docker container ls 
   

8. Docker Engine cleanup
   • 8.1 How to remove containers

     docker container stop $(docker container ls -aq)
     
     docker container rm $(docker container ls -aq) 
     

   • 8.2 How to remove docker images

     docker rmi $(docker images -q)