虚拟机镜像下载

The 4 Best Sites to Download Virtual Disk Images for VirtualBox
OSBoxes – Virtual Machines for VirtualBox & VMware

我们希望直接下载虚拟机镜像，进而免去系统安装的麻烦。

Linux VM Image

Linux VM Images – Download VirtualBox and VMware Images

OS Boxes

https://www.osboxes.org/ubuntu-server/

All images for VirtualBox and VMware have the same username and password. After logging into virtual machine that you’ve downloaded from here you can change ‘username’ & ‘password’ or create you new user.
Username – osboxes
Password – osboxes.org
For Root user account
Password – osboxes.org

VirtualBoxes

Images | VirtualBoxes – Free VirtualBox® Images

Virtual Disk Images

http://virtualdiskimages.weebly.com/virtualbox.html

Sysprobes

Download Pre Installed VirtualBox Images (Linux, Windows & Others) – Sysprobs