Vagrant安装virtualbox
我们的目的仅仅是通过vagrant+virtualbox的方式安装一个centos7，也可以参考下边两篇博客搭建centos7。
虚拟机VirtualBox及轻量级的CentOS
Windows下载安装VMware和CentOS7
01 访问Vagrant官网
https://www.vagrantup.com/
02 点击Download
Windows，MacOS，Linux等
03 选择对应的版本
04 傻瓜式安装
05 命令行输入vagrant，测试是否安装成功
01 访问VirtualBox官网
https://www.virtualbox.org/
02 选择左侧的“Downloads”
03 选择对应的操作系统版本
04 傻瓜式安装
05 [win10中若出现]安装virtualbox快完成时立即回滚，并提示安装出现严重错误
(1)打开服务
(2)找到Device Install Service和Device Setup Manager，然后启动
(3)再次尝试安装
01 创建centos7文件夹，并进入其中[目录全路径不要有中文字符]
02 在此目录下打开cmd，运行vagrant init centos/7
此时会在当前目录下生成Vagrantfile，同时指定使用的镜像为centos/7，关键是这个镜像在哪里，我已经提前准备好了，名称是virtualbox.box文件
03 将virtualbox.box文件添加到vagrant管理的镜像中
(1)下载网盘中的virtualbox.box文件
(2)保存到磁盘的某个目录，比如D:\virtualbox.box
(3)添加镜像并起名叫centos/7：vagrant box add centos/7 D:\virtualbox.box
(4)vagrant box list 查看本地的box[这时候可以看到centos/7]
04 centos/7镜像有了，根据Vagrantfile文件启动创建虚拟机
来到centos7文件夹，在此目录打开cmd窗口，执行vagrant up[打开virtual box观察，可以发现centos7创建成功]
05 以后大家操作虚拟机，还是要在centos文件夹打开cmd窗口操作
vagrant halt 优雅关闭
vagrant up 正常启动
06 vagrant常用命令
(1)vagrant ssh
进入刚才创建的centos7中
(2)vagrant status
查看centos7的状态
(3)vagrant halt
停止/关闭centos7
(4)vagrant destroy
删除centos7
(5)vagrant status
查看当前vagrant创建的虚拟机
(6)Vagrantfile中也可以写脚本命令，使得centos7更加丰富
但是要注意，修改了Vagrantfile，要想使正常运行的centos7生效，必须使用vagrant reload
至此，使用vagrant+virtualbox搭建centos7完成，后面可以修改Vagrantfile对虚拟机进行相应配置
01 使用centos7的默认账号连接
在centos文件夹下执行vagrant ssh-config
关注:Hostname Port IdentityFile
IP:127.0.0.1
port:2222
用户名:vagrant
密码:vagrant
文件:Identityfile指向的文件private-key
02 使用root账户登录
vagrant ssh 进入到虚拟机中
sudo -i
vi /etc/ssh/sshd_config
修改PasswordAuthentication yes
passwd修改密码，比如abc123
systemctl restart sshd
使用账号root，密码abc123进行登录
# -*- mode: ruby -*- # vi: set ft=ruby : # All Vagrant configuration is done below. The "2" in Vagrant.configure # configures the configuration version (we support older styles for # backwards compatibility). Please don't change it unless you know what # you're doing. Vagrant.configure("2") do |config| # The most common configuration options are documented and commented below. # For a complete reference, please see the online documentation at # https://docs.vagrantup.com. # Every Vagrant development environment requires a box. You can search for # boxes at https://vagrantcloud.com/search. config.vm.box = "centos/7" # Disable automatic box update checking. If you disable this, then # boxes will only be checked for updates when the user runs # `vagrant box outdated`. This is not recommended. # config.vm.box_check_update = false # Create a forwarded port mapping which allows access to a specific port # within the machine from a port on the host machine. In the example below, # accessing "localhost:8080" will access port 80 on the guest machine. # NOTE: This will enable public access to the opened port # config.vm.network "forwarded_port", guest: 80, host: 8080 # Create a forwarded port mapping which allows access to a specific port # within the machine from a port on the host machine and only allow access # via 127.0.0.1 to disable public access # config.vm.network "forwarded_port", guest: 80, host: 8080, host_ip: "127.0.0.1" # Create a private network, which allows host-only access to the machine # using a specific IP. # config.vm.network "private_network", ip: "192.168.33.10" # Create a public network, which generally matched to bridged network. # Bridged networks make the machine appear as another physical device on # your network. config.vm.network "public_network" # Share an additional folder to the guest VM. The first argument is # the path on the host to the actual folder. The second argument is # the path on the guest to mount the folder. And the optional third # argument is a set of non-required options. # config.vm.synced_folder "../data", "/vagrant_data" # Provider-specific configuration so you can fine-tune various # backing providers for Vagrant. These expose provider-specific options. # Example for VirtualBox: # # config.vm.provider "virtualbox" do |vb| # # Display the VirtualBox GUI when booting the machine # vb.gui = true # # # Customize the amount of memory on the VM: # vb.memory = "1024" # end config.vm.provider "virtualbox" do |vb| vb.memory = "4000" vb.name= "jack-centos7" vb.cpus= 2 end # # View the documentation for the provider you are using for more # information on available options. # Enable provisioning with a shell script. Additional provisioners such as # Puppet, Chef, Ansible, Salt, and Docker are also available. Please see the # documentation for more information about their specific syntax and use. # config.vm.provision "shell", inline: <<-SHELL # apt-get update # apt-get install -y apache2 # SHELL end
01 退出虚拟机
vagrant halt
02 打包
vagrant package --output first-docker-centos7.box
03 得到first-docker-centos7.box
04 将first-docker-centos7.box添加到其他的vagrant环境中
vagrant box add first-docker-centos7 first-docker-centos7.box
05 得到Vagrantfile
vagrant init first-docker-centos7
06 根据Vagrantfile启动虚拟机
vagrant up [此时可以得到和之前一模一样的环境，但是网络要重新配置]
