1，下载nodejs压缩包

wget https://nodejs.org/dist/v10.16.0/node-v10.16.0-linux-x64.tar.xz

2，解压

tar xf node-v10.16.0-linux-x64.tar.xz

3，设置环境变量

vim  /etc/profile

export PATH=$PATH:/你的解压目录/node-v10.16.0-linux-x64/bin

source /etc/profile

4，验证

npm -v
node -v