# wget https://nodejs.org/dist/v8.11.4/node-v8.11.4-linux-x64.tar.xz
# tar -axvf node-v8.11.4-linux-x64.tar.xz -C /usr/local/
# ln -sv /usr/local/node-v8.11.4-linux-x64 /usr/local/node
# ln -sv /usr/local/node/bin/node /usr/sbin/node
# ln -sv /usr/local/node/bin/npm /usr/sbin/npm
# node -v
v8.11.4
# npm install -g cnpm --registry=https://registry.npm.taobao.org
# npm install -g pm2 --registry=https://registry.npm.taobao.org
# ln -sv /usr/local/node/bin/cnpm /usr/sbin/cnpm
# ln -sv /usr/local/node/bin/pm2 /usr/sbin/pm2
### 可选操作
npm config set registry https://registry.npm.taobao.org
npm config get registry