oracle vm virtualbox networking

config

1. file -> preferences -> network

   1. nat networks

       # click `adds new nat network`
       make sure newly added nat network's `active` checked
      

   2. host-only networks

       virtualbox host-only ethernet adapter
      

2. vm -> settings

   1. network adapter 1

       check `enable network adapter`
       attached to: nat network
       name:        natnetwork
      
       advanced
       adapter type:     intel pro/1000 mt desktop (82540em)
       promiscuous mode: allow all
       mac address:      08002776cac1
       check `cable connected`
      

   2. network adapter 2

       check `enable network adapter`
       attached to: host-only adapter
       name:        virtualbox host-only ethernet adapter
      
       advanced
       adapter type:     intel pro/1000 mt desktop (82540em)
       promiscuous mode: allow all
       mac address:      080027f49269
       check `cable connected`
      

config interfaces

        $ sudo pico /etc/network/interfaces
        ...

        auto lo
        iface lo inet loopback

        auto eth0
        iface eth0 inet static
        address 192.168.56.100
        netmask 255.255.255.0
        gateway 192.168.1.253

        auto eth1
        iface eth1 inet dhcp