Linux安装Docker

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以下学习笔记整理自《Docker开发实践》http://www.ituring.com.cn/book/1631

- - Ubuntu安装Docker
  - Fedora安装Docker
  - RedHat安装Docker
  - 验证Docker是安装成功

Ubuntu安装Docker

直接从软件仓库安装Docker
```
$ sudo apt install docker.io
```
或者安装官方最新版Docker
1. 添加apt的https支持
```
$ sudo apt install apt-transport-https
```
2. 将Docker库的公钥加入本地apt
  
  $ sudo apt-key adv –keyserver hkp://keyserver.ubuntu.com:80 –recv-keys 36A1D7869245C8950F966E92D8576A8BA88D21E9
3. 将安装源加入到apt源中
  
  $ sudo sh -c “echo deb https://get.docker.com/ubuntu docker main\ > /etc/apt/sources.list.d/docker.list”
4. 更新软件仓库并安装Docker
```
$ sudo apt update$ sudo apt install lxc-docker
```

Fedora安装Docker

Fedora 19安装Docker
```
$ sudo yum -y install docker-io
```
Fedora 20及更高版本安装Docker
```
$ sudo yum -y install docker
```

RedHat安装Docker

RHEL 6(6.5+)和CentOS 6安装Docker
1. 安装EPEL
  
  $ sudo rpm -Uvh http://download.fedoraproject.org/pub/epel/6/i386 /epel-release-6-8.noarch.rpm
2. 安装Docker
```
$ sudo yum -y install docker-io
```

RHEL 7 安装Docker

启用附加频道

$ sudo subscription-manager repos --enable=rhel-7-server-extras-rpms

安装Docker
```
$ sudo yum -y install docker
```

验证Docker是安装成功

安装成功后，执行sudo docker info命令后终端会输出类似下面的信息

$ sudo docker infoContainers: 0 Running: 0 Paused: 0 Stopped: 0Images: 0Server Version: 1.11.2Storage Driver: aufs Root Dir: /var/lib/docker/aufs Backing Filesystem: extfs Dirs: 0 Dirperm1 Supported: trueLogging Driver: json-fileCgroup Driver: cgroupfsPlugins: Volume: local Network: host bridge nullKernel Version: 4.4.0-21-genericOperating System: Linux Mint 18OSType: linuxArchitecture: x86_64CPUs: 4Total Memory: 7.711 GiBName: originID: XU66:O7NA:MVKY:BSW7:YIMA:KJIT:4Q3D:ESEB:Y5BZ:LZF4:J3VK:EAI6Docker Root Dir: /var/lib/dockerDebug mode (client): falseDebug mode (server): falseRegistry: https://index.docker.io/v1/WARNING: No swap limit support

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