Avoid re-login to eduroam for Linux-machines

As other Linux-users I experience the problem, that I have to re-connect to the eduroam Wireless network every time I restart the laptop or even after waking it up from hibernate or sleep state. In that case I have to re-enter the password although it is set to be already stored along with the other settings for the eduroam connection. While this is not a serious problem it is still cumbersome. My laptop-settings are to go to sleep-mode automatically when the lid is closed to save battery power, so even during one course there might be the necessity to re-authenticate several times. What settings are needed to overcome this problem?

How use to get acces to WLAN in TU Dresden eduroam network.

TU Dresden provides a wireless network with high speed that covers nearly the whole TU campus. However a lot of new, especially foreigner students face the problem that they cannot connect to this network with their current University login and password.

Getting WLAN access with iPhone at the university

I have an account that I use on a Laptop to access the closed TUWIS WLAN. In an Internet browser I enter account and password. Then I have access to the Internet for a limited period of time. On my iPhone the entering of the required data is too cumbersome.
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