To set it up on devices not covered elsewhere (see links in the menu to your left) use the OpenVPN package provided by your distribution (or hand-compile if you feel like it) and the files below.
If you are using Network Manager on Linux, there are some detailed instructions.
Files for configuring the OpenVPN client
Most OpenVPN interfaces provide the ability to import a config file. If not, configure the client to authenticate with "Password using certificates". It should use a custom port (443), LZO data compression and a UDP connection. (You will need to tell the OpenVPN client to use the certificate authority, client certificate and client key above.)
You will also need to provide a username and password to log into the VPN when you connect. Use your ChemNet credentials for this. It is OK to save your ChemNet token onto your machine so you don't have to type it in each time. You can collect your ChemNet token from https://apps.ch.cam.ac.uk/ssms//collectchemnet if you know your UIS password. NB the ChemNet username is your CRSID followed by
@ch.cam.ac.uk - for example
firstname.lastname@example.org. (please note: not