Eduroam is working on many instituions in the world (most of Europe, Asia and both Americas, very rare in Africa).
SSID (name): eduroam
login: yourlogin@vutbr.cz
password: BUT PIN
required auth settings: WPA2 Enterprise
EAP method:
PEAP
EAP phase 2:
MSCHAPV2
CA Certificate: not required (none), but highly recommended to use: radius1.cis.vutbr.cz (you have to set you trust it)
Official howto on BUT site is in czech language only, but there are several images that can help.
Official Eduroam page doesn't say a lot.
Vutbrno is local network available at all faculties and is easier to use than eduroam, but every time you connect, you are redirected on captive portal (website with login form).
SSID (name): vutbrno
login: yourlogin
password: BUT PIN
...and that's all, nothing else is required.