For VPN setup and usage instructions using the command line interface in Linux, reference the following information.
Download the needed Linux VPN client for your purposes:
Extract the files from download. In the extract location use a command similar to:
This example is if you extracted the files in your download folder. Replace Download with your extract location.
/opt/cisco/anyconnect/bin/vpn connect vpn.colorado.edu
Then delete the whole /opt/cisco/anyconnect folder
rm -rf /opt/cisco/anyconnect/
*proceed to AnyConnect client installation directions above