ubuntu，

ubuntu，

镜像下载

• 12.04

http://mirrors.aliyun.com/ubuntu-releases/12.04/ubuntu-12.04.5-desktop-amd64.iso

• 14.04

http://mirrors.aliyun.com/ubuntu-releases/14.04/ubuntu-14.04.5-desktop-amd64.iso

• 16.04 LTS

http://mirrors.aliyun.com/ubuntu-releases/16.04.3/ubuntu-16.04.3-desktop-amd64.iso

• 17.04及定制

http://mirrors.aliyun.com/ubuntu-releases/17.04/ubuntu-17.04-desktop-amd64.iso
http://www.linuxboy.net/Linux/2017-10/147702.htm