SHELL

docker install in centos u7

sudo yum update
sudo yum install yum-utils device-mapper-persistent-data lvm2

sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
sudo yum install docker-ce -y
sudo systemctl start docker
sudo systemctl enable docker
sudo systemctl status docker
sudo docker -v

install docker on centos

# First add repo to yum config manager
sudo yum install -y yum-utils
sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
# Use added repo to install and start docker
sudo yum install docker-ce docker-ce-cli containerd.io
sudo systemctl start docker
# Optional: Validate by run sample image 
sudo docker run hello-world

cent os install docker

sudo yum install -y yum-utils

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