To set things up:

• edit your own studentinfo.txt file first
• $ python handle_stuinfo.py (only execute once)
• $ npm install
• $ ./setup.sh numberoflabs handinsuffix (e.g. ./setup.sh 7 tgz)

To run the server:

• $ nodejs app.js

Then goto:

• http://hostname:3000/submit?lab=1

Send submission code to your students:

• you should replace 'fromaddr', 'username', 'password' with your own email,
• then execute python send_emails.py to inform students of their submission code.