DHCP can use internet.

1、install new ubuntu 14.04

2、install vmware-tools

3、install ssh

sudo apt-get install openssh-server

4、install git

sudo apt-get update
sudo apt-get install git

5、https://letsencrypt.readthedocs.org/en/latest/using.html#installation

use root at root directory
git clone https://github.com/letsencrypt/letsencrypt
cd letsencrypt

https://letsencrypt.readthedocs.org/en/latest/contributing.html#ubuntu

 ./bootstrap/ubuntu.sh

 https://letsencrypt.readthedocs.org/en/latest/using.html#letsencrypt-auto

 ./letsencrypt-auto 

．netword static ip & dns

static ip
nano /etc/network/interfaces
iface eth0 inet static
address 192.168.0.xxx
netmask 255.255.255.0
gateway 192.168.0.xxx

dns
nano /etc/resolvconf/resolv.conf.d/base
nameserver 8.8.8.8
nameserver 8.8.4.4

resolvconf -u

--close vm NIC,

reboot