install node
# 1. 进入 opt 目录
cd /opt/
# 2. 下载 Node.js 压缩包
wget https://npm.taobao.org/mirrors/node/v14.17.2/node-v14.17.2-linux-x64.tar.xz
wget https://nodejs.org/dist/v22.13.0/node-v22.13.0-linux-x64.tar.xz
# 3. 解压文件(合并了两个解压步骤)
tar -xJf node-v14.17.2-linux-x64.tar.xz
tar -xJf node-v22.13.0-linux-x64.tar.xz
# 4. 配置环境变量
echo "export NODE_HOME=/opt/node-v14.17.2-linux-x64" >> /etc/profile
echo "export NODE_HOME=/opt/node-v22.13.0-linux-x64" >> /etc/profile
echo "export PATH=\$NODE_HOME/bin:\$PATH" >> /etc/profile
# 5. 使环境变量生效
source /etc/profile
# 6. 验证安装
node -v
npm -v