碰到的问题
使用vagrant启动虚拟机时，出现如下警告：
vagrant up default: Warning: Authentication failure. Retrying...
原因分析
授权失败主要原因：
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虚拟机获取不到物理机的公钥（有疑问的小伙伴，建议先了解一下SSH）
解决方案
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将公钥复制到虚拟机vagrant用户家目录下的authorized_keys文件中
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Vagrantfile中指定物理机当前用户的私钥路径
步骤一、确认物理机中已经生成了公钥和私钥
以windows系统为例，查看当前登录用户的文件夹下是否包含.ssh文件夹，以及.ssh文件夹下是否包含id_rsa（私钥）、id_rsa.pub（公钥）两个文件
.ssh文件夹文件如下：
注意：必须打开 【显示隐藏的文件、文件夹或驱动器】才能看到.ssh文件夹
如果已经包含id_rsa（私钥）、id_rsa.pub（公钥）两个文件则可跳过步骤一。如果没有两个文件则继续往下看
生成公钥和私钥有多种方法，我们使用最常用的办法。开发者一般都会安装git。直接使用git bash生成一下就好了
进入git安装目录
运行git-bash.vbs
执行ssh-keygen
一路回车，完成后，记住下面的地址
进入该路径，发现有两个文件：
这两个文件的含是：首先，他们是1对的，两者缺1不可，id_rsa 是私钥，id_rsa.pub是公钥
步骤二、将公钥复制到authorized_keys文件中
小伙伴可能奇怪，vagrant都报错了，怎么还能进入虚拟机？没错！其实此时虚拟机已经启动完毕了，只不过此时不能接受vagrant的命令，也无法设置共享目录。
你只需要用客户端工具（例如：Xshell）登录虚拟机
一般来说默认的用户名是vagrant，密码也是vagrant。
进入.ssh目录
查看是否有authorized_keys文件
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[vagrant@localhost .ssh]$ pwd
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/home/vagrant/.ssh
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[vagrant@localhost .ssh]$ ls -al
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total 8
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drwx------ 2 vagrant root 28 Jul 26 2016 .
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drwx------. 8 vagrant vagrant 4096 Nov 6 11:02 ..
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-rw------- 1 vagrant vagrant 786 Jul 26 2016 authorized_keys
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[vagrant@localhost .ssh]$
如果authorized_keys文件不存在，则自己手动创建一下。
注意authorized_keys 文件的权限是600，所有者是vagrant，所属组也是vagrant
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[vagrant@localhost .ssh]$ touch authorized_keys
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[vagrant@localhost .ssh]$ chmod 600 authorized_keys
复制公钥
如果已经存在authorized_keys文件，复制物理机公钥文件id_rsa.pub的内容，粘贴到authorized_keys文件中。每个公钥只占一行
注意：公钥内容只占一行
例如我的authorized_keys文件中有两个公钥
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[vagrant@localhost .ssh]$ vim authorized_keys
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1 ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDlo4N35+9OM2UCAC82E4RtiqROZU/jI6bgg76QAA56cGdLwk4CNZzbn309nNRtO7tyBtWCyFx2AOn3Hd8hIFWiokMgxlf3eSjowT9dZqmbhGrYzAkPq r63rpHUX7M4FVjMLtoREqrGbBQZ7uZItViKeXXXl7bsGOUserLchzi+p3PJgjmw5j6ea+Kj2P7EThvcevoEPLcwGyckCTEiYo8nJ21K5bkmKCi2F8kaaJ9zbIeJ/2woayUkoZeufNo3A/gZx2bvHYAiFT 4RYLDwjrspq7pQS5Cs83YUGvolPKQfCrJRH3N+sNaeHx1NzEULMvQNxgEsFIVpi5k7OBIf4BY/ vagrant
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2 ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCov9Z/3qVWXkxLS6koRWxNu9lEt+e0+/6M+XCtDx7qWiCCZovNSCbKAHO3gwCV3myIyoiP/9bv2d0Sw18d/5BMYHWT4l85IZdF87no0Euu8Yt1w4BEU rCbL0jrDXHlVBhMyCeETr7BKDlM56meiNMo/PvNuN3qcp6tukLUXgrFRQ24hgg1mMvqQ0Km5UHYnHr+Vygc3udEVEEG5Px+04y6ap8gRZg7tKVgckdXZ7+1rNJtTXqR81uXXXbyown4eoccqsUTOK3iUs 2GdFwH/t3unbCSLu13UKDcLGG6hKG/x4aA1itIl3NdbzODgbte8UGXlifomayG+PTaf1tvb+n/ dc@GZ-Design003
步骤三、在物理机的Vagrantfile中添加以下内容
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config.ssh.private_key_path = "C:/Users/dc/.ssh/id_rsa"
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config.ssh.forward_agent = true
Vagrantfile全部配置内容如下：
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# -*- mode: ruby -*-
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# vi: set ft=ruby :
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# All Vagrant configuration is done below. The "2" in Vagrant.configure
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# configures the configuration version (we support older styles for
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# backwards compatibility). Please don't change it unless you know what
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# you're doing.
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Vagrant.configure(2) do |config|
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config.vm.box = "web"
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config.ssh.private_key_path = "C:/Users/dc/.ssh/id_rsa"
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config.ssh.forward_agent = true
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# config.winnfsd.logging="on"
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# config.winnfsd.uid=1
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# config.winnfsd.gid=1
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# config.vm.synced_folder "./","/vagrant",type:"nfs"
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config.vm.define :web do |web|
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web.vm.provider "virtualbox" do |v|
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v.customize ["modifyvm", :id, "--name", "web", "--memory", "2048", "--cpus","2"]
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end
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web.vm.box = "web"
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web.vm.hostname = "web"
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web.vm.synced_folder "./","/vagrant"
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# web.vm.network:private_network, ip: "192.168.33.11"
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web.vm.network "public_network"
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end
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config.vm.define :php do |php|
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php.vm.provider "virtualbox" do |v|
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v.customize ["modifyvm", :id, "--name", "php", "--memory", "512"]
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end
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php.vm.box = "php"
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php.vm.network:private_network, ip: "192.168.33.10"
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# php.vm.network "public_network", ip: "192.168.33.10"
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php.vm.synced_folder "./","/vagrant",type:"nfs"
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php.winnfsd.logging="on"
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php.winnfsd.uid=1
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php.winnfsd.gid=1
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php.vm.synced_folder "./","/vagrant"
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end
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config.vm.define :swoole do |swoole|
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swoole.vm.provider "virtualbox" do |v|
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v.customize ["modifyvm", :id, "--name", "swoole", "--memory", "512"]
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end
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swoole.vm.box = "swoole"
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# swoole.vm.network:private_network, ip: "192.168.33.12"
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swoole.vm.network "public_network", ip: "192.168.33.12"
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# swoole.vm.synced_folder "./","/vagrant",type:"nfs"
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swoole.vm.synced_folder "./","/vagrant"
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end
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config.vm.define :master do |master|
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master.vm.provider "virtualbox" do |v|
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v.customize ["modifyvm", :id, "--name", "master", "--memory", "512"]
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end
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master.vm.box = "master"
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master.vm.network "public_network"
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master.vm.synced_folder "./","/vagrant"
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end
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config.vm.define :slave do |slave|
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slave.vm.provider "virtualbox" do |v|
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v.customize ["modifyvm", :id, "--name", "slave", "--memory", "512"]
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end
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slave.vm.box = "slave"
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slave.vm.network "public_network"
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slave.vm.synced_folder "./","/vagrant"
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end
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end
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# The most common configuration options are documented and commented below.
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# For a complete reference, please see the online documentation at
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# https://docs.vagrantup.com.
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# Every Vagrant development environment requires a box. You can search for
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# boxes at https://atlas.hashicorp.com/search.
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-
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# Disable automatic box update checking. If you disable this, then
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# boxes will only be checked for updates when the user runs
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# `vagrant box outdated`. This is not recommended.
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# config.vm.box_check_update = false
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# Create a forwarded port mapping which allows access to a specific port
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# within the machine from a port on the host machine. In the example below,
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# accessing "localhost:8080" will access port 80 on the guest machine.
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# config.vm.network "forwarded_port", guest: 80, host: 8080
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# Create a private network, which allows host-only access to the machine
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# using a specific IP.
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# config.vm.network "private_network", ip: "192.168.33.10"
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# Create a public network, which generally matched to bridged network.
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# Bridged networks make the machine appear as another physical device on
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# your network.
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# config.vm.network "public_network"
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# Share an additional folder to the guest VM. The first argument is
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# the path on the host to the actual folder. The second argument is
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# the path on the guest to mount the folder. And the optional third
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# argument is a set of non-required options.
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# config.vm.synced_folder "../data", "/vagrant_data"
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# Provider-specific configuration so you can fine-tune various
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# backing providers for Vagrant. These expose provider-specific options.
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# Example for VirtualBox:
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#
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# config.vm.provider "virtualbox" do |vb|
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# # Display the VirtualBox GUI when booting the machine
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# vb.gui = true
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#
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# # Customize the amount of memory on the VM:
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# vb.memory = "1024"
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# end
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#
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# View the documentation for the provider you are using for more
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# information on available options.
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# Define a Vagrant Push strategy for pushing to Atlas. Other push strategies
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# such as FTP and Heroku are also available. See the documentation at
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# https://docs.vagrantup.com/v2/push/atlas.html for more information.
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# config.push.define "atlas" do |push|
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# push.app = "YOUR_ATLAS_USERNAME/YOUR_APPLICATION_NAME"
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# end
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# Enable provisioning with a shell script. Additional provisioners such as
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# Puppet, Chef, Ansible, Salt, and Docker are also available. Please see the
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# documentation for more information about their specific syntax and use.
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# config.vm.provision "shell", inline: <<-SHELL
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# sudo apt-get update
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# sudo apt-get install -y apache2
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# SHELL
步骤四、重启虚拟机
在物理机的命令行重启虚拟机
vagrant reload XXXX
转载:https://segmentfault.com/a/1190000011925921
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