network:
wifis:
wlan0:
dhcp4: yes
access-points:
"eduroam":
auth:
key-management: eap
method: peap
anonymous-identity: "user@sussex.ac.uk"
identity: "user@sussex.ac.uk"
password: "Deepprong"
ca-certificate: "/home/ubuntu/.cat_installer/ca.pem" # Created by the cat installer
To learn the RSSI for networks in the client’s environment, use Wireless Diagnostics. To open Wireless Diagnostics, Option-click on the Wi-Fi
menu, select Open Wireless Diagnostic, and choose Scan. Click the Scan Now button to find all nearby wireless networks and measure their RSSI.
or from prompt airport -s