centos8安装docker

安装步骤：

1. 下载docker-ce的repo

curl https://download.docker.com/linux/centos/docker-ce.repo -o /etc/yum.repos.d/docker-ce.repo
2. 安装依赖

yum install https://download.docker.com/linux/fedora/30/x86_64/stable/Packages/containerd.io-1.2.6-3.3.fc30.x86_64.rpm
3. 安装docker-ce

yum install docker-ce
4. 启动docker

systemctl start docker

 docker search onos

 docker远程访问

vim /usr/lib/systemd/system/docker.service
 
ExecStart=/usr/bin/dockerd -H tcp://0.0.0.0:2375 -H unix:///var/run/docker.sock
 
#重新加载配置文件
systemctl daemon-reload  
 
#重启服务
systemctl restart docker.service 
 
#查看端口是否开启
netstat -nptl
 
#直接curl看是否生效
curl http://127.0.0.1:2375/info