ike-qtgui software package provides Shrew Soft VPN client - Connection manager, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install ike-qtgui
ike-qtgui is installed in your system.
Make ensure the ike-qtgui package were installed using the commands given below,
$ sudo dpkg-query -l | grep ike-qtgui *
You will get with ike-qtgui package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Network |
| Package | ike-qtgui |
| Version | 2.2.1+dfsg-4 |
| Description | Shrew Soft VPN client - Connection manager |
| Sub Section | Net |