It's a storage showdown as Jim and Wes bust some performance myths about RAID and ZFS.Plus our favorite features from Fedora 32, and why Wes loves DNF.

429: Curious About Caddy

May 15th, 2020 30m 45s

Jim and Wes take the latest release of the Caddy web server for a spin, investigate Intel's Comet Lake desktop CPUs, and explore the fight over 5G between the US Military and the FCC.

428: RAID Reality Check

May 1st, 2020 36m

We dive deep into the world of RAID, and discuss how to choose the right topology to optimize performance and resilience.Plus Cloudflare steps up its campaign to secure BGP, and why you might want to trade in cron for systemd timers.

427: Gigahertz Games

Apr 17th, 2020 51m 29s

Jim finally gets his hands on an AMD Ryzen 9 laptop, some great news about Wi-Fi 6e, and our take on FreeBSD on the desktop.Plus Intel's surprisingly overclockable laptop CPU, why you shouldn't freak out about 5G, and the incredible creativity

426: Storage Stories

Apr 3rd, 2020 31m 17s

We take a look at Cloudflare's impressive Linux disk encryption speed-ups, and explore how zoned storage tools like dm-zoned and zonefs might help mitigate the downsides of Shingled Magnetic Recording. Plus we celebrate WireGuard's inclusion

425: Ryzen Gets Real

Mar 20th, 2020 32m 53s

We take a look at AMD's upcoming line of Ryzen 4000 mobile CPUs, and share our first impressions of Ubuntu 20.04's approach to ZFS on root. Plus Let's Encrypt's certificate validation mix-up, Intel's questionable new power supply design, and m

424: AMD Inside

Mar 6th, 2020 28m 19s

Cloudflare recently embarked on an epic quest to choose a CPU for its next-generation server build, so we explore the importance of requests per watt, the benefits of full memory encryption, and why AMD won. Plus Mozilla's rollout of DNS over

423: Hopeful for HAMR

Feb 22nd, 2020 29m 36s

We explore the potential of heat-assisted magnetic recording and get excited about a possibly persistent L2ARC. Plus Jim's journeys with Clear Linux, and why Ubuntu 18.04.4 is a maintenance release worth talking about.

422: Multipath Musings

Feb 7th, 2020 23m 37s

We take a look at a few exciting features coming to Linux kernel 5.6, including the first steps to multipath TCP. Plus the latest Intel speculative execution vulnerability, and Microsoft's troubled history with certificate renewal.

421: Firewall Fun

Jan 24th, 2020 25m 9s

We explore the latest round of Windows vulnerabilities and Jim shares his journey adding OPNsense to his firewall family. Plus a look back at Apollo-era audio that's still relevant today with the surprising story of the Quindar tones.

420: Choose Your Own Compiler

Jan 10th, 2020 24m 10s

Compiling the Linux kernel with Clang has never been easier, so we explore this alternative compiler and what it brings to the ecosystem.Plus Debian's continued init system debate, and our frustrations over 5G reporting.

419: Nebulous Networking

Dec 27th, 2019 33m 33s

From classifying cats to colorizing old photos we share our top tips and tools for starting your machine learning journey. Plus, learn why Nebula is our favorite new VPN technology, and how it can help simplify and secure your network.

418: 5G Fundamentals

Dec 13th, 2019 34m 3s

As the rollout of 5G finally arrives, we take some time to explain the fundamentals of the next generation of wireless technology.Plus the surprising performance of eero's mesh Wi-Fi, some great news for WireGuard, and an update on the Librem

417: Machine Learning Magic

Nov 29th, 2019 26m 27s

We explore the rapid adoption of machine learning, its impact on computer architecture, and how to avoid AI snake oil.Plus so-so SSD security, and a new wireless protocol that works best where the Wi-Fi sucks.

416: I.T. Phone Home

Nov 15th, 2019 27m 56s

Ubiquiti's troublesome new telemetry, Jim's take on the modern Microsoft, and why Project Silica just might be the future of long term storage.

415: It's All About IOPS

Nov 1st, 2019 34m 29s

We share our simple approach to disk benchmarking and explain why you should always test your pain points.Plus the basics of solid state disks and how to evaluate which model is right for you.

414: Rooting for ZFS

Oct 18th, 2019 42m 27s

We dive into Ubuntu 19.10's experimental ZFS installer and share our tips for making the most of ZFS on root. Plus why you may want to skip Nest Wifi, and our latest explorations of long range wireless protocols.

413: The Coffee Shop Problem

Oct 4th, 2019 32m 5s

We peer into the future with a quick look at quantum supremacy, debate the latest DNS over HTTPS drama, and jump through the hoops of HTTP/3.Plus when to use WARP, the secrets of Startpage, and the latest Ryzen release.

412: Too Good To Be True

Sep 20th, 2019 34m 36s

It's TechSNAP story time as we head out into the field with Jim and put Sure-Fi technology to the test.Plus an update on Wifi 6, an enlightening Chromebook bug, and some not-quite-quantum key distribution.

411: Mobile Security Mistakes

Sep 6th, 2019 29m 38s

We take a look at a few recent zero-day vulnerabilities for iOS and Android and find targeted attacks, bad assumptions, and changing markets.Plus what to expect from USB4 and an upcoming Linux scheduler speed-up for AMD's Epyc CPUs.

410: Epyc Encryption

Aug 23rd, 2019 50m 7s

It's CPU release season and we get excited about AMD's new line of server chips. Plus our take on AMD's approach to memory encryption, and our struggle to make sense of Intel's Comet Lake line.Also, a few Windows worms you should know about, t

409: Privacy Perspectives

Aug 9th, 2019 39m 14s

We examine why it's so difficult to protect your privacy online and discuss browser fingerprinting, when to use a VPN, and the limits of private browsing.Plus Apple's blaring bluetooth beacons and Facebook's worrying plans for WhatsApp.

408: Apollo's ARC

Jul 26th, 2019 35m 13s

We take a look at the amazing abilities of the Apollo Guidance Computer and Jim breaks down everything you need to know about the ZFS ARC. Plus an update on ZoL SIMD acceleration, your feedback, and an interesting new neuromorphic system from

Problematic Privileges

Jul 22nd, 2019 7m 14s

Wes takes a quick look at a container escape proof-of-concept and reviews Docker security best practices.Links:Understanding Docker container escapes | Trail of Bits Blog — Linux cgroups are one of the mechanisms by which Docker isolates contai

407: Old School Outages

Jul 11th, 2019 42m 31s

Jim shares his Nagios tips and Wes chimes in with some modern tools as we chat monitoring in the wake of some high-profile outages.Plus we turn our eye to hardware and get excited about the latest Ryzen line from AMD.