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Re:How I Hacked My University's Registration System with Pyt... by gnopgnip on Friday June 23, 2017 @02:41PM (#14621611)
The distill browser add-on will work for this too, except for the phone call. SMS is a paid feature but email and popup notifications are free.
Re:How I Hacked My University's Registration System with Pyt... by balladeer on Friday June 23, 2017 @10:02PM (#14624023)
And maybe also the fact that the computer and browser has to be open all the time, right?

I believe OP did this by running a cron or so on an always-on server.