Hacker Public Radio

by HPR Volunteer (feedback@NOSPAM-hackerpublicradio.org) · · · · 1501 subscribers

Hacker Public Radio is an podcast that releases shows every weekday Monday through Friday. Our shows are produced by the community (you) and can be on any topic that are of interest to hackers and hobbyists.

In this episode we'll talk about filtering and dissecting packet traces and streams and introduce diffing. Remember that most tools have very flexible options for a variety of use cases. So check their manpages. Each man page also has multiple examples of how to use each tool. ### Counting Packets * Lets start with grabbing a trace from the unit tests: $ mkdir /tmp/packets $ cd /tmp/packets $ cp /path/to/onics/tests/data/packets/sample.xpkt . * Lets see what we have inside. First, lets see how many packets there are. We'll use a new tool 'pcount'. $ pcount sample.xpkt 90 total packets and 19082 ...

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Tags: community radio, training, tech news, open, software freedom, linux, hobby, education, technology, tech interviews, hacker public radio, news, brown linux, distrowatch weekly, english, tech

Older Episodes

I discuss and demonstrate the latest retro gadget I found at the flea market last weekend, a TASCAM Porta 02 MiniStudio 4-Track Cassette Recorder. It was in a bin full of junk—filthy, lacking its power supply, and I got it for only $5. I hacked a power supply, disassembled it ...
2883 HPR2883: Pass the pigs Aug. 21, 2019
For more information, have a look at
Background * It's been about 6 years since I talked about my project ONICS in HPR 1350 * ONICS stands for Open Network Inpection Command Suite * I created ONICS as because I thought it would be neat to have a suite of tools that could manipulate packets on the ...
In this show Ken, recalls [hpr1771 :: Audacity: Label Tracks](http://hackerpublicradio.org/eps.php?id=1771) by [Jon Kulp](http://hackerpublicradio.org/correspondents.php?hostid=238) to add Labels to an large audio file. * Tidy up the audio to the point where you are happy with it, but do not truncate silence. * Find the first break in the audio and check ...
2880 HPR2880: Evaluating a Study Aug. 16, 2019
We take the ideas we have developed over the previous episodes and use them to evaluate a a study I found online. These are things anyone can do with just a little work on Google, and the payoff is to have a good idea of whether or not you are ...
In this series I cover how I listen to podcasts and how the process has change over the years. This episode badly covers the console audio player `moc`. * Link to HPR 2112 (Home Server) episode mentioned in this podcast * My first MP3 player was a Jelly Bean ...
## Background Type classes are Haskell’s way of doing ad hoc polymorphics or overloading. They are used to defined set of functions that can operate more than one specific type of data. ## Equality In Haskell there’s no default equality, it has to be defined. There’s two parts to the ...
## Overview I use `pdmenu` a lot to help me do work on my main desktop PC. I did an HPR show on [`pdmenu`](http://hackerpublicradio.org/eps.php?id=2443 "hpr2443 :: pdmenu") on 13 December 2017 and the author [Joey Hess](https://joeyh.name/ "Joey Hess") responded in show [2459](http://hackerpublicradio.org/eps.php?id=2459 "hpr2459 :: free software's long tail"). In the ...
2876 HPR2876: Sausage Orzotto Aug. 12, 2019
This recipe has been heavily adapted from one I received from [Hello Fresh](https://www.hellofresh.com) \- credit where credit's due! Ingredients: * 1 lb (500g) Sausage (chicken or pork works) * 1 ½ cups (192g) Orzo * 2 tbsp (40g) Butter * Olive oil * Zucchini * Shallot * 1 - 2 ...
Well Ken made another call for shows and as my recent interview series has come to an end by the time you listen to this here is a short review of a USB3 2.5inch HDD/SSD caddy I got from E-bay a few weeks ago. As many of you who have ...
## Continued from hpr2549 :: DVD ripping using old hardware Acquired new user tower, replaced old tower with blown caps Dell Pentium 4 CPU 3.20GHz, 2Gb RAM sudo shred -n 5 -vz /dev/sdX -n, --iterations=N -v, --verbose show progress -z, --zero add a final overwrite with zeros to hide shredding ...
## Previous Music Production Setup * Master Tracks Pro: * Kawai K4 synthesizer: * Apple GarageBand: ## Current Music Production Setup * Qtractor: * JACK: * QJackCtl: * Hydrogen Drum Machine: * Yoshimi: * Amsynth: * Fluidsynth: * WhySynth: ...
In this show you will learn how to install a bootloader on an Arduino using another Arduino via In-Circuit Serial Programming (ICSP) All credit goes to [M-SHORT](https://www.sparkfun.com/users/150033) over at [SparkFun](https://learn.sparkfun.com/tutorials/installing-an-arduino- bootloader) for the excellent tutorial. 1. Arduino IDE > File > Examples > 11.ArduinoISP > ArduinoISP 2. Tools > Board ...
# Further ancillary Bash tips - 11 This is the eleventh episode in the _Bash Tips_ sub-series. It is the third of a group of shows about making decisions in Bash. In the last two episodes we saw the types of test Bash provides, and we looked briefly at some ...
# HPR Chat with Al Al asks Dave a number of questions about podcast audio recording and post- production. ## Al is thinking of doing National Podcast Post Month in November National Podcast Post Month (or [NaPodPoMo](http://napodpomo.org/)) is a challenge in a similar vein to National Novel Writing Month (or ...
Now, this is not a doom and gloom lecture. Actually it is a talk about what is going to happen in the next 30 years. It is a talk about what is called “postcapitalism”. It is a talk about how almost all jobs are going to disappear due to automation. ...
## Radio Mode and frequency controls on Amateur HF Radio TS940S * UK HF band plan information * Morse code (CW), Carrier Wave * Article about Sideband, including Lower Side Band (LSB) and Upper Side Band (USB) * Amplitude Modulation (AM) * Frequency Modulation (FM) ...
2655 HPR2655: Sleep Apnea and Afib Oct. 5, 2018
The last of my personal health issue shows covers two related issues, Sleep Apnea and Atrial Fibrillation. They are related because Sleep Apnea is a cause of Atrial Fibrillation. Fortunately both can be controlled if you follow medical directions. * * * *
2654 HPR2654: Making Crepes Oct. 4, 2018
## Crepe Recipe: * 1 cup of flour * 1 cup of milk * 1 egg * 1 pinch of salt ### Cinnamon Sugar Mixture Recipe: * 1 part cinnamon (or less) * 8 parts sugar