Set01. download Ubuntu image file
Ubuntu URL：https://ubuntu.com/download/server
Set02. Config Device Boot From CDRom
Set03. Start install Ubuntu Server Operating System
01.select「English」
02. select 「Install Ubuntu Server」
03. select「English」
04. select「United States」 
05.select「<No>」
06.select「English (US)」
07.select「English (US)」
08. input your hostname
09.input Full name for the new user
10.input username for your account
11.input a password for the new user
12.re-enter password to verify
13.select「<No>」
14.select「<Yes>」
15.choose will install disk
16.select「Guided – use entire disk and set up LVM」
17.select「<Yes>」
18.Used default size, and enter to go the next
19.select「<Yes>」
20.select「<Continue>」
21. select「No automatic updates」
22. choose「OpenSSH server」
23.Waiting for system installation
24.Waiting for system installation
25. select「<Yes>」
26.Waiting for installation grub boot loader
27.Ubuntu Server install finish
