http://azure.microsoft.com/en-us/documentation/articles/xplat-cli/?fb=zh-cn
http://www.windowsazure.cn/zh-cn/manage/linux/
http://www.openssh.com/
http://msdn.microsoft.com/library/azure/jj554332.aspx azure cmdlet
https://vmdepot.msopentech.cn/List/Index?sort=Featured&search=ng