docker 学习笔记

0x01 移除旧版本 docker(如果有)

[root@localhost sean]# yum remove docker docker-common docker-selinux docker-engine

0x02 安装依赖包

[root@localhost sean]# yum install -y yum-utils device-mapper-persistent-data lvm2

0x03 换源

[root@localhost sean]# yum-config-manager \
>     --add-repo \
>     https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

0x04 安装指定版本 docker

[root@localhost sean]# yum install docker-ce-19.03.13 docker-ce-cli-19.03.13 containerd.io -y

0x05 开启开机自启动，启动 docker

[root@localhost sean]# systemctl daemon-reload
[root@localhost sean]# systemctl restart docker

0x06 查看 docker 信息

[root@localhost sean]# docker info

0x07 添加镜像加速

[root@localhost sean]# vi /etc/docker/daemon.json

{
  "registry-mirrors": ["http://hub-mirror.c.163.com", "https://docker.mirrors.ustc.edu.cn"]
}

[root@localhost sean]# systemctl daemon-reload
[root@localhost sean]# systemctl restart docker
[root@localhost sean]# docker version

启动服务

查看版本信息

0x08 docker hellloworld

拉取 hello-world 镜像

[root@localhost sean]# docker pull hello-world

运行 hello-world

[root@localhost sean]# docker run hello-world