一行命令安装docker和docker-compose(CentOS7)

想快速装好docker和docker-compose ？那就随本文用一次复制粘贴来完成安装：

环境信息

1. 操作系统：CentOS Linux release 7.7.1908 (Core，
2. 操作账号：root
3. Docker版本：当前最新版本：19.03.2
4. docker-compose版本：当前最新版本：1.24.1

安装

执行以下命令(若非root账号，请自行添加sudo)：

yum install -y yum-utils device-mapper-persistent-data lvm2 \
&& yum-config-manager \
    --add-repo \
    https://download.docker.com/linux/centos/docker-ce.repo \
&& yum install  -y docker-ce docker-ce-cli containerd.io \
&& systemctl start docker \
&& yum -y install epel-release \
&& yum -y install python-pip \
&& pip install --upgrade pip \
&& pip install docker-compose

等待几分钟，即完成docker和docker-compose的安装

验证

1. docker版本：

[root@centos7 ~]# docker version
Client: Docker Engine - Community
 Version:           19.03.2
 API version:       1.40
 Go version:        go1.12.8
 Git commit:        6a30dfc
 Built:             Thu Aug 29 05:28:55 2019
 OS/Arch:           linux/amd64
 Experimental:      false

Server: Docker Engine - Community
 Engine:
  Version:          19.03.2
  API version:      1.40 (minimum version 1.12)
  Go version:       go1.12.8
  Git commit:       6a30dfc
  Built:            Thu Aug 29 05:27:34 2019
  OS/Arch:          linux/amd64
  Experimental:     false
 containerd:
  Version:          1.2.6
  GitCommit:        894b81a4b802e4eb2a91d1ce216b8817763c29fb
 runc:
  Version:          1.0.0-rc8
  GitCommit:        425e105d5a03fabd737a126ad93d62a9eeede87f
 docker-init:
  Version:          0.18.0
  GitCommit:        fec3683

1. docker-compose版本：

[root@centos7 ~]# docker-compose version
docker-compose version 1.24.1, build 4667896
docker-py version: 3.7.3
CPython version: 2.7.5
OpenSSL version: OpenSSL 1.0.2k-fips  26 Jan 2017

1. 运行hello world：

[root@centos7 ~]# docker run --rm hello-world
Unable to find image 'hello-world:latest' locally
latest: Pulling from library/hello-world
1b930d010525: Pull complete 
Digest: sha256:b8ba256769a0ac28dd126d584e0a2011cd2877f3f76e093a7ae560f2a5301c00
Status: Downloaded newer image for hello-world:latest

Hello from Docker!
This message shows that your installation appears to be working correctly.

To generate this message, Docker took the following steps:
 1. The Docker client contacted the Docker daemon.
 2. The Docker daemon pulled the "hello-world" image from the Docker Hub.
    (amd64)
 3. The Docker daemon created a new container from that image which runs the
    executable that produces the output you are currently reading.
 4. The Docker daemon streamed that output to the Docker client, which sent it
    to your terminal.

To try something more ambitious, you can run an Ubuntu container with:
 $ docker run -it ubuntu bash

Share images, automate workflows, and more with a free Docker ID:
 https://hub.docker.com/

For more examples and ideas, visit:
 https://docs.docker.com/get-started/

操作完成，希望这一次复制粘贴能助您快速开启docker之旅。

原文链接:https://www.cnblogs.com/bolingcavalry/p/11615133.html
如有疑问请与原作者联系

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