Hacker Public Radio

by HPR Volunteer (feedback@NOSPAM-hackerpublicradio.org) · · · · 27 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, tech, hackers, misc, open source

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 ...
2875 HPR2875: cutting up the frames Aug. 9, 2019
## Drawings ## Pictures ![picture01-one-of-the- donors.jpg](http://hackerpublicradio.org/eps/hpr2875/picture01-one-of-the- donors.jpg) One of the donors ![picture02-dross.jpg](http://hackerpublicradio.org/eps/hpr2875/picture02-dross.jpg) Dross ![picture03-the- gold.jpg](http://hackerpublicradio.org/eps/hpr2875/picture03-the-gold.jpg) The gold ![picture04-first- cut.jpg](http://hackerpublicradio.org/eps/hpr2875/picture04-first-cut.jpg) First cut ![picture05-cutting- tubes.jpg](http://hackerpublicradio.org/eps/hpr2875/picture05-cutting- tubes.jpg) Cutting tubes ![picture06-workmate.jpg](http://hackerpublicradio.org/eps/hpr2875/picture06-workmate.jpg) Workmate ![picture07-frame2-parts.jpg](http://hackerpublicradio.org/eps/hpr2875/picture07-frame2-parts.jpg) Frame 2 parts ![picture08-frame1-parts.jpg](http://hackerpublicradio.org/eps/hpr2875/picture08-frame1-parts.jpg) Frame 1 parts
I found a pretty cool little handheld cassette recorder at Salvation Army Thrift Store for 99 cents yesterday. It was non-functioning. I was able to get it working again by 1. cleaning corrosion from battery compartment; 2. replacing the nasty gooey belt; 3. repairing the battery compartment, which had a ...
For more information, have a look at BoardGameGeek:
2872 HPR2872: Shoe Lace Tips Aug. 6, 2019
In this episode I give some shoe lace tips * Shoe Laces Ted Talk with over 6.5 million views * Some further info on the shoe lace knot from the wonderful wikipedia site * Fast tie shoe laces recommended for anyone in a hurry
## New hosts Welcome to our new host: [mightbemike](http://hackerpublicradio.org/correspondents.php?hostid=379). ## Last Month's Shows Id | Day | Date | Title | Host ---|---|---|---|--- **[2846](http://hackerpublicradio.org/eps.php?id=2846)** | Mon | 2019-07-01 | [HPR Community News for June 2019](http://hackerpublicradio.org/eps.php?id=2846) | [HPR Volunteers](http://hackerpublicradio.org/correspondents.php?hostid=159) **[2847](http://hackerpublicradio.org/eps.php?id=2847)** | Tue | 2019-07-02 | [earbuds](http://hackerpublicradio.org/eps.php?id=2847) | [operat0r](http://hackerpublicradio.org/correspondents.php?hostid=36) **[2848](http://hackerpublicradio.org/eps.php?id=2848)** | Wed ...
2870 HPR2870: Hierarchy of Evidence Aug. 2, 2019
The idea of a Hierarchy of Evidence is that there is a ranking of studies of different kinds in terms of how persuasive they are. It is not enough to simply say that “A study shows…” without also looking at what kind of study it is how powerful the results ...
* recycled recumbent * wisil recumbent * hpr 1282 * cj hoyle * toledo bike
Podcast episode is about two things, serializing custom data with Persistent and `IsString` typeclass. I’m using Persistent in conjunction with Yesod (web framework). Process in short is that data is defined in `/config/models` file that is used in compile time to generate data type definitions for Haskell. Same information is ...
In this episode I let you hear the operation of my Kenwood TS940S automatic tuning unit. It had been a while since I’d last transmitted and I was a bit nervous that it might not even work – apparently it still does. * Link to my original show that had ...
This is a broad introduction to Bitcoin from a technical perspective. We do not talk about finance or economics, and we don’t compare distributed ledger technologies. We’re not addressing exchanges, layer 2 technologies, mainstream adoption, etc. We’re also going to avoid going deep into forks, fungibility, mining or the math ...