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The following screenshots/instructions were written for Ubuntu 17.10, but should require little or no modification for any Linux computer which uses Network Manager.

Collecting your token

To connect to ChemNet you will need your ChemNet credentials (crsid and ChemNet token). You can get your token from if you know your Raven password and are registered in the department database. 

Connecting to ChemNet

  • From the System Tray, locate the Wi-Fi Settings (NB you may have to click the arrow next to the name of the first detected WiFi network - Linksys15367 in the example screenshot below)

Edit Connections


  • In the list of detected Wifi networks, click ChemNet

  • You will be prompted for authentication settings, which you should enter as follows
    • Wi-Fi Security: WPA & WPA2 Enterprise
    • Authentication: Protected EAP (PEAP)
    • Anonymous identity: (please note: not
    • Domain: (N.B. this setting is not always available; do not worry if you cannot set it. Also, if you have trouble connecting, try leaving this blank)
    • CA Certificate: (see below)
    • PEAP version: Automatic
    • Inner authentication: MSCHAPv2
    • Username: (please note: not
    • Password: the token you collected from

Wi-fi security tab

  • Click on CA Certificate and browse to /etc/ssl/certs
  • Select Comodo_AAA_Services_root.pem

CA Certificate

  • Select the IPv6 Settings tab.
  • From Method, select Ignore.
  • Click Save.


System status 

System monitoring page

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