Network-Connect is the Old Juniper VPN. It is no longer used/shipped by juniper, everything is now Pulse secure. The information on this site is old. Pulse Secure is not supported on Linux.
VPN on Ubuntu Linux with Juniper Network Connect Jun 15, 2009 64 bit - How to install Juniper VPN on Ubuntu 14.04 LTS I just set up a VPN connect to juniper using MadScientist's msjnc script that wraps around a binary (ncsvc) from the juniper linux client .jar The ncsvc binary does not require java at all, so this is somewhat the neatest solution I could find. Junos VPN Site Secure – Juniper Networks
vpn - Juniper setup on 12.04 - Ask Ubuntu
VPN on Ubuntu Linux with Juniper Network Connect Jun 15, 2009
8 Free Open Source VPN - Compatible OpenVPN Client
For 32-bit Linux see here. Before installing the Juniper VPN client, you must meet a few requirements: You must download the Java Runtime Environment. Click Here to download Java. Connecting to Juniper SSL VPN using OpenConnect on GNU/Linux Jun 12, 2015 VPN on Ubuntu Linux with Juniper Network Connect Jun 15, 2009