获取链接

https://nodejs.org/en/download/

直接执行以下命令

# 请修改下面的选项
download_link="https://nodejs.org/dist/v14.17.5/node-v14.17.5-linux-x64.tar.xz"
save_name="node-linux-x64.tar.xz"
installation_directory="/usr/local/nodejs"

mkdir -p ~/Downloads
cd ~/Downloads
wget ${download_link} -O ${save_name}
tar -xf ${save_name}
dir_name=`tar -tvf ${save_name}|head -1|awk ‘{print $6}‘`
mv ${dir_name} ${installation_directory}
echo ‘export PATH="$PATH:‘"${installation_directory}/bin/"‘"‘ >> ~/.bashrc
source ~/.bashrc

原文：https://www.cnblogs.com/spacelit/p/15194770.html