centos7安装

• 使用vagrant安装centos

  #box源地址
  http://www.vagrantbox.es/
  #添加box
  vagrant box add centos7_2  vagrant-centos-7.2.box
  #初始化 
  vagrant init centos7_2
  #配置Vagrantfile
  config.vm.network "private_network", ip: "192.168.56.100"
  #启动虚拟机
  vagrant up
  # ifconfig安装
  sudo yum install net-tools
  

• ssh服务配置

  vim /etc/ssh/sshd_config
  PasswordAuthentication yes
  PermitRootLogin参数值为yes
  service sshd restart
  

• 多台服务同时启动配置

  Vagrant.configure("2") do |config|
  config.vm.box = "centos7"
  config.vm.define :master do |master|
    master.vm.hostname = "192.168.56.100"
    master.vm.provider :virtualbox do |v|
      v.memory = 2048
      v.cpus = 4
    end
    master.vm.network :private_network, ip: "192.168.56.100"
  end
  
  
  (1..2).each do |i|
      config.vm.define "node#{i}" do |node|
        node.vm.hostname = "192.168.56.10#{i}"
        node.vm.provider :virtualbox do |v|
          v.memory = 1024
          v.cpus = 2
        end
        node.vm.network :private_network, ip: "192.168.56.10#{i}"
      end
    end
  end