Try 
http://www.gnutellaforums.com/help-s...nstallers.html 
Either the hosts file if you know where it goes, or else the installer.
With Phex it is extremely important the Phex program is not firewalled. For that reason I recommend port forwarding for the port Phex uses. Also make sure no system firewall or 3rd party security program is blocking Phex. 
Also setting up a static ip address for linux mint 
https://www.maketecheasier.com/setti...th-linux-mint/ (Point #1 only) if you decide to port-forward your modem-router.