wget https://nodejs.org/dist/v8.9.2/node-v8.9.2-linux-x64.tar.xz
xz -d node-v8.9.2-linux-x64.tar.xz
tar xf node-v8.9.2-linux-x64.tar -C /usr/local
ln -s /usr/local/node-v8.9.2-linux-x64 /usr/local/node
echo "export PATH=$PATH:/usr/local/node/bin" >>/etc/profile
. /etc/profile && source /etc/profile
node -v
npm install -g cnpm --registry=https://registry.npm.taobao.org
cnpm install gtop -g
#运行gtop查看
gtop
