$ sudo apt-get update
$ sudo apt-get install node-lru-cache 

node-lru-cache is installed in your system.

Make ensure the node-lru-cache package were installed using the commands given below,

$ sudo dpkg-query -l | grep node-lru-cache *

You will get with node-lru-cache package name, version, architecture and description in a table

node-lru-cache package basic information: