centos安装docker

安装 Docker

wget https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo -O /etc/yum.repos.d/docker-ce.repo
# yum list docker-ce --showduplicates | sort -r
yum -y install docker-ce-20.10.6-3.el7
systemctl enable docker && systemctl start docker
docker --version
# 换成阿里Docker仓库
cat > /etc/docker/daemon.json << EOF
{
  "registry-mirrors": ["https://b9pmyelo.mirror.aliyuncs.com"]
}
EOF
systemctl restart docker
docker info