[centos7] docker 설치

docs.docker.com/engine/install/centos/

Install Docker Engine on CentOS

위의 공식 사이트 대로 따라하면 됨

    5  sudo yum update -y
    6  yum list | grep docker
    7  sudo yum install -y yum-utils
    8  sudo yum-config-manager     --add-repo     https://download.docker.com/linux/centos/docker-ce.repo
    9  sudo yum install docker-ce docker-ce-cli containerd.io
   10  yum list docker-ce --showduplicates | sort -r
   11  yum install -y docker-ce-3:20.10.2-3.el7 docker-ce-cli-3:20.10.2-3.el7 containerd.io
   12  systemctl status docker
   13  systemctl start docker
   14  systemctl status docker
   15  systemctl enable docker