From the manual: "LinPac is a packet radio terminal for Linux that allows wide configurability and easy addition of new functions and special functions needed by the user." With this terminal it is easy to start some peer-to-peer conversations, which is the next step in my journey into packet radio.
cd /home/hans/src git clone https://github.com/srl295/linpac.git cd linpac autoreconf --install ./configure --prefix=/usr/local/ make -j8
sudo chmod u+s /usr/bin/axlisten
Check if everything is correct
ls -l /usr/bin/axlisten --> -rwsr-xr-x 1 root root 43064 Sep 20 2015 /usr/bin/axlisten