centos docker安装

删除旧版本

yum remove docker docker-client \
    docker-client-latest \  
    docker-common \ 
    docker-latest \
    docker-latest-logrotate \
    docker-logrotate \
    docker-engine

安装依赖包

yum install -y yum-utils device-mapper-persistent-data lvm2

添加repo

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

安装

yum install -y docker-ce docker-ce-cli containerd.io
systemctl enable docker & systemctl start docker

docker 镜像加速，申请阿里账号，获取专属加速通道

mkdir -p /etc/docker
cat <<EOF >/etc/docker/daemon.json
{
  "registry-mirrors": ["https://xxxxxx.mirror.aliyuncs.com"],
  "exec-opts": ["native.cgroupdriver=systemd"]
}
EOF
systemctl daemon-reload & systemctl restart docker