How Does a Password Cracker Know It’s Right? The Part Everyone Misses - ShopTalk! episode artwork

EPISODE · Feb 22, 2026 · 37 MIN

How Does a Password Cracker Know It’s Right? The Part Everyone Misses - ShopTalk!

from Dave’s Garage: Shop Talk · host Dave Plummer and Glen Hodges

Password crackers use hash files to check password guesses. The video explores this process and answers viewer questions about virtualization, hardware, and even a surprising use for an air compressor. A discussion of AI and its uses for problem solving adds to the mix.00:00 - Start00:39 - Hey I’m Dave…00:54 - Do you find a crippling performance drop if your system runs all that on 1 box?01:58 - Do the hypervisor and Docker guarantee equal treatment?02:41 - What happens when other running VMs cause CPU cache misses?03:34 - Didn’t this upgrade speed up your prime sieves or invalidate previous results?04:28 - Create 3 Linux Bridges, with one being management, another storage, and the last being having users. Is this what is recommended?06:20 - To who and what give the GPU. And mostly, how.08:08 - I have seen docker containers that let you run windows in them. How does that work?08:52 - Out of interest - Given your background, why not hyper-v?09:42 - Virtualization for the ‘masses’ has been one of the most wonderful developments in the pc world.10:25 - Could one fairly say that the efficiency of your one massive computer is accompanied by increased risk?12:35 - Can you imagine a future where homes have a single home computer and have it pop up on your terminal screen as if you were sitting in front of the computer you just defined?13:44 - Any issue with that compressor noise shaking those drives?15:06 - Didn’t know you could vertically mount a 30 Drive server like that. Do you think you could do the 45 like that and it be safe?16:38 - How does the virtualization handle the lack of OpenGL graphics hardware acceleration?17:08 - What is your recommended config for the OS disks to install Proxmox and run TrueNAS Scale as a VM for resilience and operations considerations?19:01 - What’s the PCI card that has multiple SSDs populated on it?20:03 - What is your opinion on offline vs online snapshots?21:01 - The Type 2 Hypervisor diagram should have Hardware-OS-Hypervisor-Guest OS-Apps - correct?21:26 - I saw you had a fairly redundant UPS array setup. Could you expand on the theory, setup and performance?22:45 - Did I see an Ecoflow and a UPS feeding the Storinator? Are they hooked up in a series?23:35 - A greatworkshop. Who is we and us Dave?24:41 - How are you so well-articulated?25:48 - What is the mortgage payment for 1TB of RAM?26:20 - Cost of Ram? Sell it and buy a Chinese EV?26:39 - What can you do? Well, you can probably buy Greenland!27:03 - Do you know why you only see the upper body of Dave?…27:26 - How does it know when it has figured out the password if it’s not trying to log into a system as a particular user?29:15 - I use (random word)(four digit number)(random word)(four digit number)(random word)(four digit number) password format. Is this reasonably secure?30:54 - Can you use AI to reliably find a replacement part when one is out of stock?31:30 - Can’t you just write some AI to monitor the order site to tell you when all the components are available?31:50 - Hey Dave, maybe I can help you with the mesmerizer component problems…32:52 - Why couldn’t a laser DLP projector be modified to produce vector graphics?34:12 - The vector displays I worked on back in the 70s had the ability to configure the speed at which the deflection moved the beam. Does your HP do any of that?34:48 - Can I finally do something like dedicate a PCIe device to a given VM?35:28 - Would love to see a full episode run-through of Git and Github, targeted to the entry level programmer.36:58 - The Friendly Coder…

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How Does a Password Cracker Know It’s Right? The Part Everyone Misses - ShopTalk!

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This episode is 37 minutes long.

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This episode was published on February 22, 2026.

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Password crackers use hash files to check password guesses. The video explores this process and answers viewer questions about virtualization, hardware, and even a surprising use for an air compressor. A discussion of AI and its uses for problem...

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