centos7下的docker安装

docker之前了解过一点,可是没有动过手,今天第一次动手,记录一下流水。linux

1.确保centos7c++

cat /etc/redhat-release

2.确保系统能上外网
3.工具准备docker

yum -y install gcc
yum -y install gcc-c++

4.卸载旧版本json

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

5.安装须要的软件包centos

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

6.设置stable镜像仓库bash

yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

7.更新yum软件包索引app

yum makecache fast

8.安装DOCKER CE工具

yum -y install docker-ce

9.启动DOCKER CE测试

systemctl start docker

10.测试阿里云

docker version

11.配置镜像加速,获取本身的专属加速地址(阿里云为例,前往https://cr.console.aliyun.com)

sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": ["https://*********.mirror.aliyuncs.com"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker
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