Hacker Public Radio
742 episodes - English - Latest episode: 30 days ago - ★★★★ - 33 ratingsHacker 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.
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Episodes
HPR3195: For your Consideration - the ideal Ham Radio setup
October 30, 2020 00:00 - 27.7 MBHost Noah Cheliah Plenty of Linux security and IP cameras talk Focus on Free Software and related news Noah brings on a guest, who describe his ideal Ham Radio setup, which includes use of Software Defined radio. https://en.wikipedia.org/wiki/Software-defined_radio Guest talking about Ham Radio starts at 00:25:42 https://podcast.asknoahshow.com/200
HPR3194: Linux Inlaws S01E16: The count and the questions
October 29, 2020 00:00 - 32.2 MBHalloween: https://en.wikipedia.org/wiki/Halloween Ancient vampire folklore: https://en.wikipedia.org/wiki/Vampire_folklore_by_region#Mesopotamia Blade franchise: https://en.wikipedia.org/wiki/Blade_(franchise) Judas history: https://authorlyngibson.wordpress.com/2013/08/05/the-legend-of-judas-iscariot-vampire Vulcans & Romulans: https://memory-alpha.fandom.com/wiki/Vulcan-Romulan_history The Fly: https://www.imdb.com/title/tt0091064 PETA: https://www.peta.org Oracle vs. Google: http...
HPR3193: Meet Antithesis
October 28, 2020 00:00 - 16 MBIn this episode Paul discusses his thoughts in ordering a Pinebook Pro. During the episode he does an unboxing, and then comes back after a week of use to let us know how it preforms in practice. You can get one yourself here: https://www.pine64.org/
HPR3192: A light bulb moment, part 3
October 27, 2020 00:00 - 7.02 MBLED History The history of the LED revolution is both long and complex but I'll do my best to cover it. Please forgive me if I mispronounce some of the materials and processes I'm not a lighting expert as I stated right back at the beginning of this series. The following excerpts are from Wikipedia; the link will be in the show notes, https://en.wikipedia.org/wiki/Light-emitting_diode The LED or Light Emitting Diode first appeared as a practical electronic component in 1962, the earliest ...
HPR3191: Swedish Corona Experience
October 26, 2020 00:00 - 7.78 MBSwedish Health Authority Recommendation If sick stay at home. If you have symptoms take a test. Wash at least 20 seconds use alcohol with atleast 60% alcohol content. Don't touch your face with unwashed hands. Keep distance arm length (or 2m). Don't gather in large companies. Avoid public transport, try walking or biking when possible. If required go with public transport book a ticket or go when others don't. If possible work from home. https://www.folkhalsomyndigheten.se/smittsky...
HPR3190: GIMP Brushes
October 23, 2020 00:00 - 10.4 MBBrushes are a key part of using Paint tools, and in particular the Paintbrush Tool. And in this episode we look at how to work with, edit, download, and save different brushes. We look at the Brush Dialog, and examine the different settings that make them easier to work with. Links: https://docs.gimp.org/2.8/en/ https://www.ahuka.com/gimp/paint-tools/ https://franz.com/support/documentation/current/doc/cg/cg-pixmaps.htm https://ergodic.ugr.es/cphys_pedro/unix/athena5.html https://conce...
HPR3189: How the Dutch dig Graves
October 22, 2020 00:00 - 2.35 MBOn a lock down walk in the local grave yard, Ken and his Wife stumble upon a new grave. As the soil is mostly sand, the graves need to be shored up to prevent collapse.
HPR3188: Thrift store quick fix
October 21, 2020 00:00 - 1.6 MBThrift store quick fix for a dog coat. Ripped out stitches on defective velcro. Picture 1 Re-stitched with the flat surface facing up. Picture 2 Picture 3 Hot-glued replacement velcro. Picture 4 Profit Picture 5
HPR3187: Ansible for Dynamic Host Configuration Protocol
October 20, 2020 00:00 - 5.06 MBAnsible DHCPD and DNS Using Ansible to configure DHCPD and NDS on OpenBSD Host data is stored in csv files Ansible templates to create config files Restart services hostname-setup.yml --- - hosts: localhost tasks: - name: read subnet 10 read_csv: path: 10.csv fieldnames: mac,ip,hostname register: subnet_10 - name: read subnet 11 read_csv: path: 11.csv fieldnames: mac,ip,hostname register: subnet_11 - name: read static read_csv: ...
HPR3186: A light bulb moment, part 2
October 19, 2020 00:00 - 4.52 MBA very brief history of lighting Natural light first came from fire Then using oil and fat with a wick Early candles used animal fat this smelled awful and tended to spit Some parts of world used whole animals as candles These early candles gave so little light that people generally just went to bed at sunset Electric lighting started first by Humphry Davy in the early 1800’s using an arc, this was developed into commercial lighting in the 1840s Arc lighting needed a complex mechanis...
HPR3185: Pandemics In History
October 16, 2020 00:00 - 9.24 MBThis is a look at how infectious diseases have changed the course of human history. It is admittedly a bit Euro- or Western-centric since that is what I know best. But I think the point of its importance applies more broadly. https://en.wikipedia.org/wiki/Plague_of_Athens https://en.wikipedia.org/wiki/Antonine_Plague https://en.wikipedia.org/wiki/Plague_of_Cyprian https://en.wikipedia.org/wiki/Crisis_of_the_Third_Century https://en.wikipedia.org/wiki/Plague_of_Justinian https://en.wiki...
HPR3184: Linux Inlaws S01E15: IT Security and stick insects
October 15, 2020 00:00 - 26.9 MBIn this episode Martin discovers that protecting pictures of stick insects (rated XXX or not) on USB sticks (pun intended) can be an ardous endeavour indeed. Never mind eventually turning this into a business including web servers, shared file spaces and password storage. Additional bonus: the lovely Emma from Rainbow Escorts makes another cameo apperance supported by some Irish, um, students. Shownotes: Linux Unified Key Setup (LUKS): https://gitlab.com/cryptsetup/cryptsetup/blob/master/R...
HPR3183: Don't trust zipfiles
October 14, 2020 00:00 - 3.26 MBThis show explains the concept of injecting symbolic links into zipfiles and how those can be used to attack a web application.
HPR3182: Yo-ho-ho, and a bottle of Cholecalciferol
October 13, 2020 00:00 - 37.5 MBIntroduction Two HPR hosts from Scotland get together over Mumble one more time to chat about all manner of stuff. Andrew Conway Dave Morriss We recorded on Saturday 19th September 2020, which was International Talk Like A Pirate Day, we but managed to avoid any utterances of ARRRR!, and the use of marlinspikes, fids or belaying pins. Also, no timbers were shivered and no mainbraces spliced (not while recording anyway). Notes Some of the topics we discussed: COVID-19: The increase in...
HPR3181: RealVNC cloud offering
October 12, 2020 00:00 - 3.11 MBJust a short podcast about RealVNC cloud offering. An interesting VNC option if you want to connect on the road or the at the coffee shop to a server back home without putting holes in your router. https://www.realvnc.com/en/news/what-vnc-cloud/
HPR3180: GIMP: Miscellaneous Tools
October 09, 2020 00:00 - 7.26 MBThe Miscellaneous tools do a number of useful things without fitting neatly into a category. The Paths tool takes Selections up a notch and also lets you add interesting effects. Zoom is one you would use every day, and Measure is handy in some situations. Finally, GEGL Operations are the future of all GIMP development Links: https://docs.gimp.org/2.8/en/ https://en.wikipedia.org/wiki/B%C3%A9zier_curve https://en.wikipedia.org/wiki/Font_hinting https://www.webopedia.com/TERM/A/antialias...
HPR3179: MakeMKV to back up media, and a Question
October 08, 2020 00:00 - 4.22 MBInstalled Fedora 32 on a spare laptop Quick tip To ignore the handle switch on the laptop triggering a power off: Put HandleLidSwitch=ignore in /etc/systemd/logind.conf Install MakeMKV from source dnf install https://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm https://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm dnf install zlib-devel openssl-devel expat-devel ffmpeg ffmpeg-devel qt5-qtbase-dev...
HPR3178: Finishing the Recumbent Bicycle
October 07, 2020 00:00 - 3.12 MBWebsites: recycled recumbent: https://sites.google.com/site/recycledrecumbents/home cj hoyle milk crate tutorial: https://youtu.be/MvBx_74FzUk Gallery: 1 - Bending Tools This is how I clamped up the conduit bending tool in the trusty workmate. In this configuration you can bend the tube to specific angles and make sure the bends stay in plane. The goal here is to create two side rails that are identical. The seat webbing is sewn on to these rails. 2 - Needed weights This photo shows s...
HPR3177: Zero cost VPN
October 06, 2020 00:00 - 4.21 MBA basic overview of the VPN I use Linux on a free/low cost VPS Helper script install OpenVPN and generate client config file Transfer client config file to mobile device Install OpenVPN client on Mobile Device and import the config There are a few options for the Linux server. Free tier cloud providers AWS Google Azure VPS with Free credits ($20-$100) for new accounts I've gotten discount codes from podcasts Digital Ocean Linode VPS requirements for running a OpenVPN server are p...
HPR3176: HPR Community News for September 2020
October 05, 2020 00:00 - 33.1 MBtable td.shrink { white-space:nowrap } New hosts There were no new hosts this month. Last Month's Shows Id Day Date Title Host 3152 Tue 2020-09-01 My Pocket Knives Dave Morriss 3153 Wed 2020-09-02 Fixing eBooks with Calibre and pdfcrop Ken Fallon 3154 Thu 2020-09-03 Make NextCloud your next cloud Paul Quirk 3155 Fri 2020-09-04 LastPass Security Dashboard Ahuka 3156 Mon 2020-09-07 HPR Community News for August 2020 HPR Volunteers 3157 Tue 2020-09-08 Co...
HPR3175: International Keyboard
October 02, 2020 00:00 - 6.3 MBI decided to use my time spent in relative isolation to do something productive and learn another language. I picked Spanish because I am hoping to visit Mexico and other Latin American countries whenever the plague lifts. I decided to document this for anyone who wants to know what options I found and how they have worked for me so far. This is the third part where I explain how I implemented the US International Keyboard on a variety of platforms. This lets me type characters that Spanish ...
HPR3174: Linux Inlaws S01E14: The big programming language panel
October 01, 2020 00:00 - 40.9 MBShownotes: Bottlerocket: https://aws.amazon.com/about-aws/whats-new/2020/08/announcing-general-availability-of-bottlerocket Windows as a rolling release: https://ubuntupodcast.org/2020/08/27/s13e23-horseshoe LPC Rust in kernel: https://program.linuxplumbersconf.org/event/7/contributions/804/attachments/641/1168/barriers-to-in-tree-rust.pdf Redox OS: https://www.redox-os.org FC33: https://fedoramagazine.org/btrfs-coming-to-fedora-33 Linux kernel history report: https://www.linuxfoundati...
HPR3173: Manage your Raspberry Pi fleet with Ansible
September 30, 2020 00:00 - 10.4 MBThis is the final show in the miniseries on how to manage your RaspberryPis with ansible. The goal is to produce a common base Raspberry Pi OS image that doesn't change often but, once it's installed, can automatically be customized, maintained, and managed remotely. We will create the base image using the script fix-ssh-on-pi which is available on GitHub. Then we will identify the hosts on the network with tips from operat0r in show hpr3090 :: Locating Computers on a Enterprise Network,...
HPR3172: A ramble with the Pentland Squires (part 2)
September 29, 2020 00:00 - 23.9 MBThe two HPR hosts based in Edinburgh got together over Mumble on the evening of Sunday 23rd August 2020 to have a chat during the COVID-19 pandemic. MrX Dave Morriss This is the second half of the conversation. For the first part see HPR show 3167. Notes Some of the topics we discussed: Listening to podcasts MrX’s recent show Keeping track of where I am Using phone-based apps like Antennapod Rockbox (free music player firmware) on Sansa Fuze, Sansa Clip, Clip+, Clip Zip, etc Mobile...
HPR3171: A Week On Soylent
September 28, 2020 00:00 - 6.72 MBI bought - and ate - a jar of Soylent, which is a powdered food replacement product. These are my thoughts. Company Website: https://soylent.com/ Wikipedia Article: https://en.wikipedia.org/wiki/Soylent_(meal_replacement)
HPR3170: GIMP: Color Tools
September 25, 2020 00:00 - 10.3 MBColor Tools are where you can adjust the colors and brightness of an image.You can change the color balance, adjust individual colors or transparency without affecting other colors, and so on. This is the fourth of the four general groups of tools we will look at for GIMP. There will also be some miscellaneous tools. Links: https://docs.gimp.org/2.8/en/ https://osdn.net/projects/separate-plus/ http://learn.leighcotnoir.com/artspeak/elements-color/hue-value-saturation/ https://en.wikiped...
HPR3169: Ludwig van Beethoven with a hint of Chopin
September 24, 2020 00:00 - 40.7 MBAll music in this episode is freely available from musopen.org. Links Beethoven Piano Sonata no. 14 in C-sharp minor 'Moonlight Sonata', Op. 27 no. 2 Beethoven Symphony no. 5 in C minor, Op. 67 Chopin Fantaisie - Impromptu, Op. 66 Beethoven Piano Sonata no. 8 in C minor 'Pathetique', Op. 13 Beethoven Piano Sonata no. 21 in C major 'Waldstein', Op. 53
HPR3168: FreeBSD Jails and iocage
September 23, 2020 00:00 - 5.15 MBFreeBSD Jails with iocage Introduction FreeBSD jails allow users to run multiple, isolated instances of FreeBSD on a single server. Iocage simplifies the management of FreeBSD Jails. https://en.wikipedia.org/wiki/OS-level_virtualization The jails will be configured to bind to an IP address on the jail host's internal network. The host OS will pass traffic from the external network to the jail. The jails will be managed with Iocage. Iocage uses ZFS properties to store configuration data ...
HPR3167: A ramble with the Pentland Squires (part 1)
September 22, 2020 00:00 - 20.6 MBIntroduction Once again the two HPR hosts based in Edinburgh got together over Mumble to have a chat during the COVID-19 pandemic. MrX Dave Morriss We recorded this conversation in the evening of Sunday 23rd August 2020. The audio was quite long when we’d finished, so we decided to cut it into two similar-length pieces and the remainder is released as a second episode. Show title Although a explaining a joke can often destroy it, it’s probably worth saying that the title of this show ...
HPR3166: Using Ansible to mirror a Git repo
September 21, 2020 00:00 - 12.4 MBI came up with a way to easily clone a repo living on Github and mirror it, with all the latest commits, on another Git host. You can schedule Ansible to run periodically to ensure your mirror stays updated. This is Dwayne Lee's improved implementation based on my original script.
HPR3165: Spanish Tools Continued
September 18, 2020 00:00 - 7.44 MBI decided to use my time spent in relative isolation to do something productive and learn another language. I picked Spanish because I am hoping to visit Mexico and other Latin American countries whenever the plague lifts. I decided to document this for anyone who wants to know what options I found and how they have worked for me so far. This is the second part of my tools exploration. https://www.youtube.com/channel/UC3iaeeUxWOgUXFK6kfIp_Ig https://www.alllanguageresources.com/spanish/ h...
HPR3164: I'm Learning Spanish
September 17, 2020 00:00 - 8.64 MBI decided to use my time spent in relative isolation to do something productive and learn another language. I picked Spanish because I am hoping to visit Mexico and other Latin American countries whenever the plague lifts. I decided to document this for anyone who wants to know what options I found and how they have worked for me so far. https://www.babbel.com/ https://actualfluency.com/babbel-review/ https://www.trustpilot.com/review/babbel.com https://www.alllanguageresources.com/roset...
HPR3163: Linux Inlaws S01E13: The road to communism and freedom
September 16, 2020 00:00 - 30.6 MBbrytlyt: https://www.brytlyt.com OS/2: https://en.wikipedia.org/wiki/OS/2 CCP/M: https://en.wikipedia.org/wiki/Multiuser_DOS#CCP/M-86 Communism and open source: https://medium.com/@diego.graziano/open-source-the-communism-of-knowledge-fe76334b9b10 Why Emacs is better than vi (aka The Church of Emacs): https://www.gnu.org/fun/jokes/gospel.html (Open)VMS: https://en.wikipedia.org/wiki/OpenVMS Mach: https://en.wikipedia.org/wiki/Mach_(kernel) Dave Cutler: https://en.wikipedia.org/wiki/D...
HPR3161: How I manage podcast listening
September 14, 2020 00:00 - 10.2 MBIntroduction I have spoken in the past about the podcast management system I have created, but have never gone into much detail about how I manage the playing of episodes. Prompted by MrX’s HPR episode hpr3132, “Keeping track of where I am” I will describe it now. Long notes Follow this link to read the detailed notes associated with this episode. Links Rockbox - an alternative operating system for certain music players figlet - a program for making large letters out of ordinary text ...
HPR3160: GIMP: Transform Tools
September 11, 2020 00:00 - 8.69 MBTransform Tools are where you start to manipulate an image. You can move it around, stretch it, rotate it, crop it, and so on. This is the third of the four groups of tools we will look at for GIMP. Links: https://docs.gimp.org/2.8/en/ https://en.wikipedia.org/wiki/Transformation_matrix https://www.ahuka.com/gimp/transform-tools/
HPR3159: Vivaldi - The Four Seasons
September 10, 2020 00:00 - 43.5 MBAntonio Vivaldi composed The Four Seasons ('Le quattro stagioni' in its original Italian) in 1723. It is a set of 4 violin concertos that propose an early form of descriptive music: for example, Winter makes prominent use of pizzicato notes in high registers, whereas Summer evokes a storm in its final movement. The work was first presented as part of Op. 8, being later catalogued as RV 269, 315, 293 & 297. The Four Seasons remain very popular to this day, some of its concertos spawning a gr...
HPR3158: Fingerprint access control? LOL...
September 09, 2020 00:00 - 10.3 MBHello everyone, my name is Cedric and I'm here again with another story on pentesting and security, straight from the trenches. Today I'm going to share a story with you about an assignment we did some time ago for a large entertainment company. Our client, like many entertainment companies, produces a lot of intellectual property. So, one of their biggest concerns is that someone might physically break into their premises and steal some of these designs and products. They had already taken...
HPR3157: Compost
September 08, 2020 00:00 - 20 MBHow to compost food scraps to produce nutrient-rich soil. It's natural!
HPR3156: HPR Community News for August 2020
September 07, 2020 00:00 - 33.2 MBtable td.shrink { white-space:nowrap } New hosts Welcome to our new host: Cedric De Vroey. Last Month's Shows Id Day Date Title Host 3131 Mon 2020-08-03 HPR Community News for July 2020 HPR Volunteers 3132 Tue 2020-08-04 Keeping track of where I am MrX 3133 Wed 2020-08-05 Quick tip - Using MPV with Youtube links Archer72 3134 Thu 2020-08-06 Tomorrowland 2020 Daniel Persson 3135 Fri 2020-08-07 Quick Tips for May 20 20 operat0r 3136 Mon 2020-08-10 ...
HPR3155: LastPass Security Dashboard
September 04, 2020 00:00 - 6.27 MBLastPass is one of the password managers I use (along with Keepass), and recently they added a Security Dashboard feature to the product. I take a look at this dashboard and review some of the features. Links: https://blog.lastpass.com/2020/08/new-lastpass-security-dashboard-and-dark-web-monitoring-now-available/ https://www.pcmag.com/picks/the-best-password-managers https://www.cnet.com/how-to/best-password-manager-to-use-for-2020-1password-last-password-more-compared/ https://www.toms...
HPR3154: Make NextCloud your next cloud
September 03, 2020 00:00 - 6.96 MBMy federated address is @[email protected]
HPR3153: Fixing eBooks with Calibre and pdfcrop
September 02, 2020 00:00 - 3.44 MBpdfcrop --margins '-4 -4 -4 -5' --clip input.pdf output.pdf calibre is a powerful and easy to use e-book manager. Users say it’s outstanding and a must-have. It’ll allow you to do nearly everything and it takes things a step beyond normal e-book software. It’s also completely free and open source and great for both casual users and computer experts. PDFCrop is a Perl script that crops the white margins of PDF pages and rescales them to fit a standard size sheet of paper. It makes the pri...
HPR3152: My Pocket Knives
September 01, 2020 00:00 - 7.69 MBIntroduction As a boy I was allowed to have a penknife from about the age of 10. Since then I have tended to carry pocket knives with me on a regular basis. I have three knives that often travel with me, though two might have become illegal in the UK in the recent past because they lock. The knives are: Victorinox Huntsman Durol locking knife Roxon KS-S501 Long notes I have provided detailed notes as usual for this episode, and these can be viewed here. Links Victorinox Victorinox...
HPR3151: How I listen to podcasts
August 31, 2020 00:00 - 3.3 MBIn this episode I talk about the program I use to listen to podcasts. BeyondPod which has a smart play feature where you can decide how to listen, in what order and how much of each podcast.
HPR3150: GIMP: Paint Tools
August 28, 2020 00:00 - 9.43 MBPaint Tools are where you begin to add things to an image. You can add a large variety of things depending on the tool, from thin lines to broad strokes, to gradients, and so on. Links: https://docs.gimp.org/2.8/en/ https://www.ahuka.com/gimp/paint-tools/
HPR3149: HPR AudioBook Club 21 - The Terrible Business of Salmon and Dusk
August 27, 2020 00:00 - 48.8 MBIn this episode the HPR Audiobook Club discusses the audiobook The Terrible Business of Salmon & Dusk by Myke Bartlett Non-Spoiler Thoughts The terrible business of trying to listen to this book (technical difficulties abound) We talk about the audio players we tried to get around the technical difficulties. This book is a weird world. The reading performance is great, and the audio quality is good (minus technical difficulties). The is a clear distinction between characters by the rea...
HPR3148: Why Open Source matters (to me)
August 26, 2020 00:00 - 13.4 MBMy original website: http://psquirk.tripod.com
HPR3147: NIST's Quantum Cryptography Update
August 25, 2020 00:00 - 7.41 MBNIST initiated a competition to find and test algorithms for quantum encryption that would resist quantum decryption back in December of 2016. Two rounds of testing have been completed, and an initial group of 69 submissions have been winnowed to 15. These 15 are now in Round Three of the testing process, and it is anticipated that as many as 4 of them will be approved as standards. This news update is intended to bring you up to date on the process. Links: https://www.zwilnik.com/security...