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Englisch
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Summary

Establish a connection under the Linux-Debian Derviat Ubuntu to the WLAN "Eduroam" at the University of Jena, a project for the international provision of secure Internet access for science and teaching.


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This guide is aimed at the following target groups:

  • Students
  • Teachers
  • Employees
  • Scientific employees and assistants
  • Institutions and Commitees (e.g. student councils)
  • Working groups (e.g. projects)
  • Guests of the University of Jena

Requirements

  • an active user account of the University of Jena
  • an Ubuntu version from 18.04 (bionic beaver)
  • Root rights or superuser (sudo) on the target device
  • Internet access (mobile data, HotSpot, etc.)

Internetzugang für mobile Geräte (WLAN, Eduroam) (uni-jena.de) for more information about the Eduroam network..

Setting up the Eduroam Wifi (manually)

1. Step: Update and upgrade the software components

Open the Linuxterminal with the key combination 

Strg + Alt + T

Update and upgrade the system with the following command:

[user@devicename]:~$ sudo apt-get update && sudo apt-get upgrade


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Confirm the command with Enter and enter your password. Confirm the installation with Enter and type J or Y on your keypad when prompted. 

2. Step: Delete old Eduroam WLAN profiles

If Eduroam has never been set up on the end device, you can continue directly with step 3.

Open the Wi-Fi setting.


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Open the eduroam settings by clicking on the gear next to "eduroam".


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Click "Remove connection".


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4. Step: Install Eduroam profile with CAT

For a secure connection setup, some settings and the installation of a security certificate are necessary. The latter ensures that your end device does not simply trust any (malicious) access point and pass on your login data.


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Open the Wifi-Settings by klicking clicking on the Symbols on the top right corner on your screen and selecting select "settings".

You should now see a list of the available Wifi-connections. Select "eduroam".


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A new window is shown. First select the row "CA certificate" and klick click on "Select from file..." in the drop-down menu.

Now you have to navigate to the folder in which the certificates are stored. 


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Klick on the arrow that is marked in the picture above.


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Now new symbols are shown. Klick Click on the one that is marked in the picture above.


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In the list of folders on the screen klick click on the one named "etc".


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Now klick click on the folder named "ssl" (You might have to scroll down the list to find it).


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Now klick click on "certs".


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Now you are being shown there is a list of certificates. If you followed the 1. step there should be the file "ISRG_Root_X1.pem" in the list

Select this file and klick click on the green "Open" Button in the top right of the window.


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In the "CA certificate" row the selected file should now be visible.

Now you can fill out the rest of the rows with the information that is shown in the picture above.

In the field "Username" enter the URZ login with "@uni-jena.de" directly attached, e.g. ab12cde@uni-jena.de (not the e-mail address), in the field "Password" enter the corresponding password. 

Finally klick click on "Connect". If your Login-Information is correct you should now be connected with the eduroam-network.


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Title: "Ubuntu - installing Eduroam Wifi (manually)"

Edited: 13.02.2025


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