docker介紹

1、docker的定義

docker是一個平臺，開發人員進行docker應用的開發和系統管理人員對docker應用部署和管理。

2、docker與Virtual Machine的區別

3、docker 架構

 

 3、 Image vs. Container

4、關於docker版本

docker-ce 社區版

docker-EE  企業版

 

CE Download: https://download.docker.com EE Download: https://store.docker.com/

EE Download: https://store.docker.com/

 

 

5、docker支持平臺

 

 

6、docker ce的安裝

6.一、Uninstall old versions

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

$ sudo yum remove docker-ce

$ sudo rm –fr /var/lib/docker

6.2 Docker CE Installation

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

$ sudo yum-config-manager \ --add-repo \ https://download.docker.com/linux/centos/docker-ce.repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

$ sudo yum-config-manager --enable docker-ce-edge $ sudo yum-config-manager --enable docker-ce-test

$ sudo yum-config-manager --enable extras

$ sudo yum install docker-ce

$ sudo yum list docker-ce --showduplicates | sort -r

$ sudo yum install docker-ce-

$ sudo systemctl start docker curl -s https://get.docker.com | sudo sh

 

7、 運行docker第一個程序

 

sudo docker run hello-world

$ sudo docker images [-a]

$ sudo docker ps –a

$ sudo curl https://raw.githubusercontent.com/docker/dockerce/master/components/cli/contrib/completion/bash/docker -o /etc/bash_completion.d/docker.sh

$ sudo yum install bash-completion（自動補齊安裝包）

$ Logout and login again.