1sudo npm cache clean -f 
2sudo npm install -g n
3sudo n stable/lts 

1brew update
2brew upgrade node

1// Fix node not found first	
2sudo chown -R `whoami`:admin /usr/local/include/node
3    sudo chown -R `whoami`:admin /usr/local/bin
4    sudo chown -R `whoami`:admin /usr/local/share
5    sudo chown -R `whoami`:admin /usr/local/lib/dtrace 
6
7 brew link --overwrite node
8 
9// Then: 
10sudo npm cache clean -f 
11sudo npm install -g n 
12sudo n stable/lts