homework_submission_system

作业上传 先决条件 nginx 节点.js MongoDB 见 sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10 echo 'deb dist 10gen' | 须藤三通/etc/apt/sources.list.d/mongodb.list sudo apt-get 更新 sudo apt-get install -y mongodb-org 须藤服务 mongod 开始