Added eduroam entry

wiki/eduroam.md

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+# eduroam
+
+eduroam, short for education roaming, is a wireless network available at many universities and
+research institutions worldwide.
+It allows users to connect using the credentials or certificates issued by their home institution.
+
+## Android
+
+The recommended [Android](/wiki/android.md) client is called [geteduroam](https://geteduroam.app/).
+It is available on the [Google Play Store](/wiki/android.md#app-store) as well as on
+[F-Droid](/wiki/android.md#app-store).
+It supports both username/password authentication and certificate-based authentication (EAP-TLS).
+
+Install the application, select your institution and follow the setup process.
+The application should remain installed, as removing it also removes the eduroam configuration.
+
+## Linux
+
+Most [Linux](/wiki/linux.md) desktop environments support eduroam directly through
+[NetworkManager](/wiki/linux/networkmanager.md).
+
+For username/password authentication configure a new WPA2/WPA3 Enterprise connection using the
+parameters provided by your institution.
+
+If certificate-based authentication (EAP-TLS) is used, import the supplied client certificate and
+configure the connection accordingly.
+The certificate is usually provided by your institution.
+
+Some institutions also provide an installer through the official
+[eduroam Configuration Assistant Tool (CAT)](https://cat.eduroam.org).