CIIMAR VPN on Ubuntu Linux
On Ubuntu our CentOS, you should install VPNC module.
Install terminal command (Ubuntu only, for CentOS replace apt for yum): apt install vpnc network-manager-vpnc-gnome
After installing, please go to your Network Definitions and do the following steps:
Step 1 – Create your VPN connection
Step 2 – Advanced Options
Step 3 – How to connect (click once on the network icon at the top right side bar, just select Connect)