notes on node versions

nodejs/nodejs.md

@@ -1,3 +1,8 @@
+version management
+===================================================================================================================================
+
+## nvm
+
 can use nvm to manage nodejs versions.
 not really sure how this works, but it is per user and operates off bash scripts and variables ¯\_(ツ)_/¯
 
@@ -5,4 +10,19 @@ going to have to pull from github. It will curl to clone the repo and then add s
 `exec bash` after install to refresh
 
 nvm install --lts
-nvm use version
+nvm use version
+
+## npm n helper
+
+npm can be used to manage node itself through n
+https://github.com/tj/n
+
+sudo npm cache clean -f
+
+
+1. setup & *own* directyory with versions 
+   * `sudo mkdir -p /usr/local/n`
+   * `sudo chown -R $(whoami) /usr/local/n`
+2. own the instalation folders
+   * `sudo chown -R $(whoami) /usr/local/bin /usr/local/lib /usr/local/include /usr/local/share`
+3. install n: `sudo npm install -g n`