Raspberry Pi/TNC-Pi Setup/configuration

This is a raw, working document intended to record how to set this up from scratch. Raspbian version: 2014-09-09-wheezy-raspbian.img 1. Setup the OS: Use caution on your target storage device: sudo dd bs=4M if=2014-09-09-wheezy-raspbian.img of=/dev/sdb 2.  Boot the card and expand the file system, change password, configure ssh server, and set hostname… then reboot the … Read more

Self-blocking Script Kiddies

For my non-technical family and friends you can tune out as this is a techie computer geek post. Like many I run a linux machine as a traffic cop at the edge of my network. I prefer to run Secure Shell (SSH) server on its standard port so that I can easily connect to it … Read more

PARC Hamfest

Displayed two TNC-Pi connected across a mesh network today at the PARC Hamfest. Sent ICMP Echo requests from n2xu-rPi-1 to n2xu-rPi-2 and received responses across the RF link. Was using 421.585 as a link frequency and had more separation between the systems than last week and less RF interference into the systems. Also, I picked … Read more

RF In The Shack!

My development environment consists of two RasPi computers each with a TNC-Pi mounted on it. I made 3 ft interface cables to connect the TNC-Pi to Baofeng UV-5RA radios. The radios are WAY TOO CLOSE to the RasPi. Attempts to do TCP/IP across the RF link fail miserably. Initially I thought my software wasn’t configured … Read more

Linux-ax25/NetRom configs explained in simpler terms

Source URL: http://n1uro.ampr.org/linuxconf/linuxconf.html Document originally written by n1uro, located here for my personal use. This document is designed not so much to the technical user of linux but to the everyday layman trying to get a node up and running on linux using URONode – however the same principal can be used for LinuxNode and … Read more