Docker

安装

• Ubuntu 版本信息

lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04.2 LTS
Release: 18.04
Codename: bionic

getconf LONG_BIT
64

uname -a
Linux u-develop 4.18.0-20-generic #21~18.04.1-Ubuntu SMP Wed May 8 08:43:37 UTC 2019 x86_64 x86_64 x86_64 GNU/Linu

• 卸载旧版本

   sudo apt-get remove docker docker-engine docker.io containerd runc
  

• 更新仓库信息

  sudo apt-get update
  

  允许使用HTTPS

   sudo apt-get install \
   apt-transport-https \
   ca-certificates \
   curl \
   gnupg-agent \
   software-properties-common
  

• 添加GPG Key

sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -

验证Key的指纹

sudo apt-key fingerprint 0EBFCD88

pub rsa4096 2017-02-22 [SCEA]
9DC8 5822 9FC7 DD38 854A E2D8 8D81 803C 0EBF CD88
uid [ unknown] Docker Release (CE deb) docker@docker.com
sub rsa4096 2017-02-22 [S]

*添加稳定版本Repository

sudo add-apt-repository \
   "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
   $(lsb_release -cs) \
   stable"

sudo apt-get update

• 安装最新版本的docker ce和containerd

sudo apt-get install docker-ce docker-ce-cli containerd.io

• 验证DOCKER

sudo docker run hello-world

如果本地没有这个镜像，会从远程仓库中下载下来。