linux 安装node环境
1. wget https://nodejs.org/dist/v10.20.0/node-v10.20.0-linux-x64.tar.xz 2. xz -d node-v10.20.0-linux-x64.tar.xz 3. tar -xvf node-v10.20.0-linux-x64.tar 4. mv node-v10.20.0-linux-x64 node-10.20.0 5. vim /etc/profile 6. NODE_HOME=/home/software/node-10.20.0 PATH=$PATH:$NODE_HOME/bin NODE_PATH=$NODE_HOME/lib/node_modules export PATH NODE_HOME NODE_PATH 7. source /etc/profile 8. ln -s /home/software/node-10.20.0/bin/node /usr/local/bin/node ln -s /home/software/node-10.20.0/bin/npm /usr/local/bin/npm 9. node -v npm -v