View source for Scheduler

{{services
|ip_addr = 128.153.145.200
|contact_person = Anthony Rinaldo rinaldaj@clarkson.edu
|last_update = 2016/09/29
|host_vm = [[scheduler]]
|vm_host = [[hydra]]
|services = Scheduler (for scheduling classess)
|category = Service
|handoff = no
}}

Scheduler is a service designed to help students make their schedule. It queries the class information from an exported CSV from Peoplesoft.

It uses the Shiny webapp and runs on port 3001 (which is redirected transparently to scheduler.cosi.clarkson.edu)

=Install=

Install Ubuntu 16.04

==Install packages==

<pre>
sudo apt install r-base apache2
</pre>

==Enter R==

Enter R and install packages

<pre>
R
install.packages("shiny")
install.packages(c("dplyr","gdata"))
</pre>

==Configure Apache==

<pre>
sudo a2enmod proxy
</pre>

edit /etc/apache2/sites-enabled/000-default.conf

add these lines between the tags

<pre>
    ProxyPreserveHost on
    ProxyPass / http://localhost:3001/
    ProxyPassReverse / http://localhost:3001/
</pre>

==Start Apache==

<pre>
sudo systemctl restart apache2
sudo systemctl status apache2
</pre>

==Install Script to run R server==

edit /etc/systemd/system/rthing.service

<pre>
[Unit]
Description=rthing

[Service]
User=rinaldaj
ExecStart=/bin/bash /home/rinaldaj/runMe.sh

[Install]
WantedBy=multi-user.target
</pre>

enable the script (after setting up the thing)

<pre>
systemctl enable rthing
systemctl start rthing
</pre>