CentOS7安装NodeJS

# 1.下载
wget https://npm.taobao.org/mirrors/node/latest-v14.x/node-v14.15.1-linux-x64.tar.gz

# 2.解压
tar -zxvf node-v14.15.1-linux-x64.tar.gz
mv node-v14.15.1-linux-x64 /opt/node-v14.15.1-linux-x64

# 3.建立软链接
ln -s /opt/node-v14.15.1-linux-x64/bin/npm /usr/local/bin/
ln -s /opt/node-v14.15.1-linux-x64/bin/node /usr/local/bin/

# 4.测试
node -v