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Zentrum für Netze (ZfN)

Linux

Instruction to set up WLAN access under Linux

Note

Please note that the following instructions describe how to set up the Eduroam network using the CAT configuration tool.


When prompted for user data, be case-sensitive and enter your username (not an alias) including @uni-bremen.de.

For security reasons, the WLAN password is not the same as the password of your Uni account. Students set the
Password automatically when activating the Uni-Account, other users have to set up the WLAN password once in the onlinetools.

If you prefer manual setup, you will find manual setup instructions further down this page.

If there is a problem, please contact us by e-mail at wlan@uni-bremen.de.

Step 1

First you have to download the CAT configuration tool, open the item Network Connections in the taskbar and connect to WLAN 'Uni-Bremen'.

Step 2

A login window will open in your browser, click on the link to the CAT-Eduroam configuration tool or use the link wlan.uni-Bremen.de/cat.

Step 3

In the following window select the CAT configuration tool for your device / OS (in this case Linux) and start the download.

Step 4

Open the directory where you saved the downloaded file.

In many cases you will need to make the file executable first. To do this, right-click on the file you just downloaded and then click on "Properties".

Now select the tab "Permissions" and check "Allow executing file as program".

Step 5

Run the application with a double click or the command "python3 /path/to/eduroam-cat-file.py" in the terminal (as shown in the picture) and confirm the information dialog by clicking 'Ok'.

Step 6

The configuration starts, you will now be asked for your login data for the Eduroam network.
Enter it in the form 'username@uni-bremen.de' and the corresponding WiFi-Password.
 

 

Step 7

The configuration was successful, a connection to the Eduroam network is now possible.

Troubleshooting

If no connection is established, this can have various causes:

 

  •     The WLAN antenna of the notebook is deactivated. Usually, it is reactivated at the push of a button.
  •     If there is no access point with the eduroam network in the vicinity, the location must be changed.


If problems persist, our diagnosis page may be able to help.

Setup Guide for Manual Wifi Access on Linux

Step 1

Click in the taskbar on the item Network Connections.
Now select the item "Edit Connections" in the submenu.

 

Step 2

Select the eduroam network and click on "Edit".

Step 3

Select the tab "Wifi Security" and fill out the dialog according to the illustration.

The required certificate is already present You can find it under "/etc/ssl/certs/".

As username enter the username of your Uni-Account followed by @uni-bremen.de, the password is the corresponding WLAN-Password.

To close the dialog click on "Save".

Troubleshooting

If no connection is established, this can have various causes:

 

  •     The WLAN antenna of the notebook is deactivated. Usually, it is reactivated at the push of a button.
  •     If there is no access point with the eduroam network in the vicinity, the location must be changed.


If problems persist, our diagnosis page may be able to help.

 

Updated by: Webredaktion ZfN
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