Docker-ce安装

一、环境

二、安装

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

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

$ yum-config-manager --add-repo \
    https://download.docker.com/linux/centos/docker-ce.repo 
    
    # 清华源
    # https://mirrors.ustc.edu.cn/docker-ce/linux/centos/docker-ce.repo

$ yum install docker-ce

# 配置加速镜像
$ cat > /etc/docker/daemon.json << EOF
{
  "registry-mirrors": [
    "https://registry.docker-cn.com"
  ]
}
EOF

# 内核参数调整
$ cat >> /etc/sysctl.conf << _EOF
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
_EOF
$ sysctl -p 

# 重新启动docker
$ systemctl restart docker

# 拉取测试镜像并运行，验证安装
$ docker run hello-world

三、结果