如何在Debian8上安装Docker虚拟环境

By minirplus on 2017-02-05 in How To

Docker是一个用于搭建虚拟环境的线上容器，可以在不影响主机环境的情况下，安装基于不同环境的上层应用。

准备

检查内核版本是否大于3.10

uname -r

安装依赖组件CURL

1 2	apt-get update apt-get install curl

安装Docker

使用apt包管理器安装

安装apt加密证书组件

1	apt-get install apt-transport-https ca-certificates software-properties-common

将输出

root@vps:~# apt-get install apt-transport-https ca-certificates software-properties-common

Reading package lists... Done

Building dependency tree

Reading state information... Done

apt-transport-https is already the newest version.

ca-certificates is already the newest version.

The following extra packages will be installed:

gir1.2-glib-2.0 libdbus-glib-1-2 libgirepository-1.0-1 libglib2.0-0 libglib2.0-data

python3-apt python3-dbus python3-gi python3-software-properties shared-mime-info

unattended-upgrades xdg-user-dirs

Suggested packages:

python3-apt-dbg python-apt-doc python-dbus-doc python3-dbus-dbg

The following NEW packages will be installed:

gir1.2-glib-2.0 libdbus-glib-1-2 libgirepository-1.0-1 libglib2.0-0 libglib2.0-data

python3-apt python3-dbus python3-gi python3-software-properties shared-mime-info

software-properties-common unattended-upgrades xdg-user-dirs

0 upgraded, 13 newly installed, 0 to remove and 8 not upgraded.

Need to get 6682 kB of archives.

After this operation, 22.5 MB of additional disk space will be used.

添加Docker官方GPG Key

1	curl -fsSL https://yum.dockerproject.org/gpg \| sudo apt-key add -

以上命令将在/etc/apt/trusted.gpg中添加内容

验证GPG Key

1	apt-key fingerprint 58118E89F3A912897C070ADBF76221572C52609D

下方应找到对应fingerprint

pub 4096R/2C52609D 2015-07-14

Key fingerprint = 5811 8E89 F3A9 1289 7C07 0ADB F762 2157 2C52 609D

uid Docker Release Tool (releasedocker) <docker@docker.com>

添加Docker官方源

1	add-apt-repository "deb https://apt.dockerproject.org/repo/ debian-$(lsb_release -cs) main"

以上命令将在/etc/apt/sources.list中添加内容

安装最新Docker包

1 2	apt-get update apt-get -y install docker-engine

将输出

root@vps:~# apt-get -y install docker-engine

Reading package lists... Done

Building dependency tree

Reading state information... Done

The following extra packages will be installed:

aufs-tools cgroupfs-mount libdrm2 libnih-dbus1 libnih1 makedev mountall plymouth

Suggested packages:

desktop-base plymouth-themes

The following NEW packages will be installed:

aufs-tools cgroupfs-mount docker-engine libdrm2 libnih-dbus1 libnih1 makedev

mountall plymouth

0 upgraded, 9 newly installed, 0 to remove and 8 not upgraded.

Need to get 19.6 MB of archives.

After this operation, 89.7 MB of additional disk space will be used.

OR安装指定版本Docker包

查看目前的包版本

1	apt-cache madison docker-engine

安装指定版本

1	apt-get -y install docker-engine=<VERSION_STRING>

验证Docker是否成功安装

1	docker run hello-world

成功运行后会显示如下信息

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.

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.

卸载Docker

卸载Docker包

1	apt-get purge docker-engine

删除库文件

1	rm -rf /var/lib/docker

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