常用官方网址

ubuntu：

　　https://ubuntu.com/download/desktop

　　安装:
　　https://blog.csdn.net/baidu_36602427/article/details/86548203

putty:

　　https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html 

golang：

　　https://dl.google.com/go

       https://golang.org/dl

　　中文golang网站：

　　https://studygolang.com/dl

hyperledger fabric:

　　https://github.com/hyperledger/fabric

vmware相关软件下载：

https://www.vmware.com/

https://code.vmware.com/web/tool/4.4.0/ovf

http://communities.vmware.com/thread/321314