Communication Services

Aus Fachschaften Informatik & Mathematik
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Information also available in German.


We offer several communication services to you, to ease social interaction and studying.

Login / Authentication

Registration for Maths students -- This requires a valid stu-number which will be used to create an Account named fs-stuXXXXXX.

Students of Computer Science can login with their normal stu-account, without prior registration.

Element/Matrix

https://riot.fs-infmath.uni-kiel.de

Element (former Riot) is a modern chat program. Matrix the name of the corresponding protocol.

Features:

  • Public chat rooms
  • Private chat rooms
  • Optional end-to-end encryption of chat rooms
  • (Video) Calls between two people (via WebRTC)
  • Video conferences via Jitsi

Chat rooms may for example be set up for small groups collaborating in a course or large ones like all the attendees to a certain course.

Usage

CodiMD

https://codimd.fs-infmath.uni-kiel.de

CodiMD is a collaborative Markdown-editor.

Features:

  • Simultaneous editing of the same document (e.g., homework) by several people.
  • Markdown, a very simple markup language, close to plain text.
  • Real-Time rendering of the HTML corresponding to the typed Markdown.
  • Syntax highlighting for several programming languages.
  • LaTeX-Rendering.
  • VIM and Emacs modes.
  • Many more, see CodiMD/Features.

Jitsi

https://jitsi.fs-infmath.uni-kiel.de

Jitsi is a videoconference server.

Features:

  • Videotelephony in small groups. Larger groups do unfortunately seem to cause problems.

May for example be useful to coordinate or collaborate in small work groups.

Nutzung

  • Preferably via Chrom{e,ium} (with hardware acceleration), alternatively Firefox.

Mumble

mumble://mumble.fs-infmath.uni-kiel.de

Mumble is a voice chat program.

Features:

  • Permanent and temporary channels (like Riot/Matrix, but independently).
  • Should handle larger groups well.
  • Ressource-efficient.

Useful, whenever vocal communication suffices. E.g., in combination with CodiMD.

Nutzung

  • A client program needs to be installed. Available for all major operating systems (incl. mobile).

Further options

A few suggestions on further technical options for collaboration:

  • VIM / Emacs in a shared Screen / Tmux - session.
  • Drawpile -- collaborative drawing
  • Further options on libreplanet.org.

Questions, Remarks, Wishes

Feel free to contact us:

Notes

  • All provided services are running on virtual machines at the Department of Computer Science. These are administered by the Technics-Team of the Students' Association of Computer Science and Mathematics. On the virtual machines, exclusively Free and Open Source Software is in use.
  • We consider further services to offer later. If you have any suggestions (or maybe would like to help), we hope to hear from you.
  • The so-called federation of Element/Matrix has been turned off on the provided instance, due to unresolved questions on data protection.
  • In none of the provided services, your real name is displayed by default, instead only your stu-number. This is for reasons of privacy, which we do in this case value higher than the missed convenience.
    • On the chat server, you can change your display name via the interface.
    • On mumble, you can set a comment which is displayed when hovering over your stu-number.