deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen

我得到这个以下错误，意味着没有找到deb命令。

$ deb Sorry,command-not-found has crashed! Please file a bug report
at: 07000 Please
include the following information with the report:

command-not-found version: 0.2.44

有人可以帮助我找到如何在AWS实例中安装deb？