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High internet costs? Here’s why.

Monday, April 9th, 2018

Occasionally we receive enquiries regarding seemingly high Inetkey costs, especially from students. Usually, the causes are fairly straight-forward and can be easily prevented. 

It’s very difficult to say what is causing or what the source of the traffic is without actually looking at your Inetkey logs. So, to start, before contacting us about your Inetkey usage, first look at your logs on http://www.sun.ac.za/useradm and go to the [View Internet Usage] tool and under “View Type” select “Source” and select USER to refresh the display. If you take note of all the IP addresses and see if they are in fact your devices, you will get a better idea of which device is generating the traffic and at which times.

Keep in mind that Stellenbosch University has numerous times been rated as having the fastest internet in South Africa. Current speed tests show that the download speed is 95.29 MB per second and an upload speed of 58.12 MB per second. Subsequently, you can easily run up a massive Inetkey bill within minutes.

The following are a few potential causes for high Inetkey usage:

  • Windows 10 updates that cannot easily be switched off with traditional means. However, if the device is on the SU network and set up to receive updates from IT’s WSUS server, updates will be downloaded locally and not run via Inetkey.
  • Updates stopping and restarting or not completing. Windows 10 1709 Creative Update is a little under 4Gb.
  • Inetkey being left open on a device that is unattended overnight or during classes.
  • Video streaming from sites not on the firewall exception list. Watching an HD streamed movie during the day and evening can generate 3Gb of data per hour.
  • Using a laptop as a wifi hotspot for a cell phone to save on data costs.
  • Using filesharing protocols like BitTorrent. Remember that uploads and downloads both generate traffic. If you use BitTorrent you are also seeding and will also pay for someone downloading your own files.
  • Syncing files to DropBox.
  • Weak passwords allowing neighbours and friends to share internet connections from adjacent rooms.
  • Passwords being leaked to a friend or partners and then abused at a later stage.
  • Viruses or malware included in BHO that spam and generate traffic. Often compromised e-mail accounts will cause high internet usage, because InetKey and email use the same password.
  • Inetkey accounts being used on multiple devices.

If none of these seems to be causing your high Inetkey usage, you can ask Information Technology to investigate your internet usage (or issues). If you have a query send a complaint within 14 days to helpinfo@sun.ac.za. The cost of an enquiry is R200.00 per enquiry. If an error is found, the administrative fee will not be levied.

[Information supplied by David Wiles]

 

Teach and Learn with MATLAB and Simulink

Wednesday, February 21st, 2018

Where Will MATLAB Take You Today?

Stellenbosch University has a Total Academic Headcount (TAH) license for MATLAB, Simulink, and add-on products. You may use these products for teaching, research, and learning. The license allows individuals to install the products on university-owned equipment, as well as personally owned computers.

Get Access Today: http://rga.sun.ac.za/firga/matlab.html

New SUNLearn mobile app available for download

Wednesday, April 26th, 2017

Information Technology has developed a new SUNLearn mobile app which is now available for download. The app can be downloaded for Android, as well as iOS devices. It can also be downloaded by scanning the QR code to the right.  

SUNLearn is Stellenbosch University’s blended-learning platform. It is an open source, powerful, flexible and mobile-ready blended learning platform for learning and teaching. The system is easy to learn and use for both staff and students and an extensive user guide is also available. 

The SUNLearn mobile app can be used to:

– browse the content of your courses, even when offline,
– receive instant notifications of messages and other events,
– quickly find and contact other people in your courses,
– upload images, audio, videos and other files from your mobile device,
– view your course grades, etc.

Full features can be seen here.

Students who are new to the system can go to the Student training link where they will find various resources, videos and self-help guides. Keep in mind that when you use the SUNLearn mobile app on campus via Maties WiFi or the network, you will not be charged for any data and you will not need Inetkey for access.

The SUNLearn support team can be reached at learn@sun.ac.za or 021-808 2222.

Good news for MATLAB fans

Monday, April 24th, 2017

MATLAB and Simulink are fundamental computational tools used at educational institutions worldwide. More than 500 universities have instituted a Total Academic Headcount (TAH) site license, including one-third of the top 300 universities worldwide and 23 of the top 25 universities.

Today, MATLAB and Simulink are an integral part of the curriculum at the SUN. The tools are used for teaching and research across several academic disciplines such as Geography, Agriculture, Economics, Biology, Informatics, Psychology, Math, Statistics and Physics, in addition to the engineering disciplines. The university provides lab room access via 8 different classroom licenses servers to be used by students on university owned machines. Researcher access is provided by a number of installs: 6 network servers provide 35 concurrent users, 8 group licenses with 79 users and 35 individual licenses.

Students who use MATLAB and Simulink establish a foundation for learning that serves them through their university years and prepares them for careers in engineering but also in areas such as biology, science, finance, and math. Faculty employ MATLAB and Simulink to engage students in coursework and research by providing a flexible environment for teaching, applying algorithms and models, and exploring data. Students can apply theory to real-world problems within a broad range of student- oriented research much in line with the big trends towards active learning i.e. PBL and CDIO.

Stellenbosch University has a Total Academic Headcount (TAH) license for MATLAB, Simulink, and add-on products. Faculty, researchers, and students may use these products for teaching, research, and learning. The license allows individuals to install the products on university-owned equipment, as well as personally owned computers.

To obtain an individual license for laptops and home PC’s:

Option 1 – On campus download – Click here for instructions.
Option 2 – Off campus download from Mathworks Website. Click here for instructions.

Learn About Capabilities and Using the Software

Use the TAH Resource Kit to find tutorials, webinars, teaching materials, books, and more to help you use MATLAB and Simulink. When you access these resources from the resource kit, you bypass registration forms.

Note that your MathWorks account gives you access to FREE online training with theMATLAB Onramp, as well as access to online assignments through Cody Coursework.

Empower Yourself With MathWorks tools

Visit the MathWorks for Education website at mathworks.com/academia
Visit the MathWorks Academy site for FREE online course at matlabacademy.mathworks.com

MATLAB Mobile

Connect to MATLAB from your iPhone, iPad, or Android device.mathworks.com/products/matlab-mobile.html

Need Assistance?
E-mail: ithub@sun.ac.za

[Information supplied by Kirsten Smith, Application Engineering Manager at MATLAB]

Office365 phishing e-mail

Friday, March 3rd, 2017

Please take note of a phishing e-mail circulating on campus which looks like an Office365 e-mail notification. Unfortunately, a few students have been caught out by this trap. 

We will not send you an e-mail resembling the one below. If in doubt, rather contact us to confirm whether it’s a legitimate request.

 


From: SU Student <phishingvictim@sun.ac.za>
   Sent: 03 March 2017 12:07 PM
   Subject: Missing Mails

   You have two(2) unread messages but cannot because your mailbox has
   exceeds its quota/limit.
   Click here to use the message retriever page and enter login again to
   access missing message.

   Secretary

   Office 365

   System Administrator

 

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