这篇文章给大家分享的是有关CoreOS中如何安装Vagrant的内容。小编觉得挺实用的，因此分享给大家做个参考，一起跟随小编过来看看吧。

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准备环境（本人电脑win7 x64）

• 1 安装最新版Oracle VM VirtualBox 4.3.18

• 2 安装最新版vagrant 1.6.5

• 3 安装windows版git

##安装CoreOS ###创建安装目录下载vagrant配置文件 比如我在E盘创建了一个coreos文件夹，然后在git shell界面进入这个文件夹，执行：

git clone https://github.com/coreos/coreos-vagrant.git   
cd coreos-vagrant

###修改git clone下来的配置文件 将config.rb.sample复制一份为config.rb
将user-data.sample复制一份为user-data
修改config.rb文件内容：

$num_instances=3  #如果安装单个coreos就写1，如果是集群就写大于1的数字
$update_channel='alpha' #这个是版本，可以改为stable或者beta

###安装coreos 执行：

cd coreos-vagrant
vagrant up

此时有报错信息如下：

E:\coreos\coreos-vagrant>vagrant up
Bringing machine 'core-01' up with 'virtualbox' provider...
Bringing machine 'core-02' up with 'virtualbox' provider...
Bringing machine 'core-03' up with 'virtualbox' provider...
==> core-01: Box 'coreos-alpha' could not be found. Attempting to find and insta ll...
core-01: Box Provider: virtualbox
core-01: Box Version: >= 308.0.1
You specified a box version constraint with a direct box file path. Box version constraints only work with boxes from Vagrant Cloud or a custom box host. Please remove the version constraint and try again.

查看Vagrantfile文件内容匹配报错有如下行：

config.vm.box_version = ">= 308.0.1"

将这一行在Vagrantfile文件里面用#注释掉，然后重新执行vagrant up：

E:\coreos\coreos-vagrant>vagrant up
Bringing machine 'core-01' up with 'virtualbox' provider...
Bringing machine 'core-02' up with 'virtualbox' provider...
Bringing machine 'core-03' up with 'virtualbox' provider...
==> core-01: Box 'coreos-alpha' could not be found. Attempting to find and insta ll...
core-01: Box Provider: virtualbox
core-01: Box Version: >= 0
==> core-01: Loading metadata for box 'http://alpha.release.core-os.net/amd64-us r/current/coreos_production_vagrant.json'
core-01: URL: http://alpha.release.core-os.net/amd64-usr/current/coreos_prod uction_vagrant.json
==> core-01: Adding box 'coreos-alpha' (v493.0.0) for provider: virtualbox
core-01: Downloading: http://alpha.release.core-os.net/amd64-usr/493.0.0/cor eos_production_vagrant.box
此处省略N多字*********************
==> core-03: Machine booted and ready!
==> core-03: Setting hostname...
==> core-03: Configuring and enabling network interfaces...
==> core-03: Running provisioner: file...
==> core-03: Running provisioner: shell...
core-03: Running: inline script

安装完成。

###配置连接 执行vagrant ssh, 会自动生成ssh的信息：

E:\coreos\coreos-vagrant>vagrant ssh core-01
ssh executable not found in any directories in the %PATH% variable. Is an SSH client installed? Try installing Cygwin, MinGW or Git, all of which contain an SSH client. Or use your favorite SSH client with the following authentication information shown below:
Host: 127.0.0.1
Port: 2222
Username: core
Private key: C:/Users/Administrator/.vagrant.d/insecure_private_key

使用xshell或者secureCRT配置私钥远程连接

Xshell 4 (Build 0131)
Copyright (c) 2002-2014 NetSarang Computer, Inc. All rights reserved.

Type `help' to learn how to use Xshell prompt.
Xshell:>

Connecting to 192.168.83.131:22...
Connection established.
To escape to local shell, press 'Ctrl+Alt+]'.

Last login: Wed Nov 12 13:16:55 2014 from 192.168.83.1
CoreOS (alpha)
core@localhost ~ $ cat /etc/os-release
NAME=CoreOS
ID=coreos
VERSION=494.0.0
VERSION_ID=494.0.0
BUILD_ID=
PRETTY_NAME="CoreOS 494.0.0"
ANSI_COLOR="1;32"
HOME_URL="https://coreos.com/"
BUG_REPORT_URL="https://github.com/coreos/bugs/issues"

查看docker版本

core@localhost ~ $ docker version  
Client version: 1.3.0  
Client API version: 1.15  
Go version (client): go1.3.2  
Git commit (client): c78088f  
OS/Arch (client): linux/amd64  
Server version: 1.3.0  
Server API version: 1.15  
Go version (server): go1.3.2  
Git commit (server): c78088f

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