File inject node installation

i folled this command to install file inject node but its not installed acan anyone help?

How did you install it?
Where did you install it?
What was the error message?

What version of Node-RED and nodejs?
What operating system are you installing this on?

Using on raspberry pi running on rasbian streach os
Node-red
Intalling via linux terminal in node red directory

Ohh i got it after restart such a dumb of me anyways thanks