Centos7在线安装Docker

Centos7在线安装Docker

1.关闭防火墙和selinux

systemctl stop firewalld

vi /etc/selinux/config 

将enforcing改为disabled

2.若无wget命令，需安装

yum install -y wget

3.从清华镜像站下载docker社区版yum源

[root@localhost test]# cd /etc/yum.repos.d/
[root@localhost yum.repos.d]# wget https://mirrors.tuna.tsinghua.edu.cn/docker-ce/linux/centos/docker-ce.repo

4.查看docker安装包

yum list | grep docker

5.安装docker社区版本

yum install -y docker-ce.x86_64

6.设置开机启动并开启docker服务

systemctl enable docker
systemctl start docker

7.查看docker版本和详细信息

docker version
docker info

8.配置阿里云镜像加速
1）阿里云控制台>>容器镜像服务>>镜像加速器
获取加速器地址后将地址写进daemon.json

vi /etc/docker/daemon.json

{
  "registry-mirrors": ["https://a7pbvwz1.mirror.aliyuncs.com"]
}

2）重启docker服务

sudo systemctl daemon-reload
sudo systemctl restart docker