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TechSNAP

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TechSNAP

Jupiter Broadcasting

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Systems, Network, and Administration Podcast. Every two weeks TechSNAP covers the stories that impact those of us in the tech industry, and all of us that follow it. Every episode we dedicate a portion of the show to answer audience questions, discuss best practices, and solving your problems.
 
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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. Links: 5G Underwhelms in Its First Big Test - WSJ How South Korea built 5G, and what it's learning - RCR Wireless News After sev…
 
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. Links: “Where the Wi-Fi sucks” is where a new wireless protocol does its magic Ubiquiti’s new “Amplifi Alien” is a mesh-capable Wi-Fi 6 rou…
 
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. Links: History of hard disk drives — Wikipedia How to Buy the Right SSD: A Guide for 2019 — Tom's Hardware The Development and History of Solid State Drives…
 
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. Links: Why big ISPs aren’t happy about Google’s plans for encrypted DNS Chromium Blog: Experimenting with same-provider DNS-over-…
 
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. Links: RF Chirp tech: Long distance, incredible penetration, low bandwidth | Ars Technica — Recently, I took the company's technology for a spi…
 
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. Links: Google says hackers have put ‘monitoring implants’ in iPhones for years | Technology | The Guardian — Their l…
 
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. Links: Apple bleee. Everyone knows What Happens on Your iPhone – hexway — If Bluetooth is ON on your Apple devic…
 
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. Links: Third parties confirm AMD’s outstanding Ryzen 3000 numbers | Ars Technica — AMD debuted its new Ryzen 3000 desktop CPU line …
 
We explore the risky world of exposed RDP, from the brute force GoldBrute botnet to the dangerously worm-able BlueKeep vulnerability. Plus the importance of automatic updates, and Jim's new backup box. Links: Errata Security: Almost One Million Vulnerable to BlueKeep Vuln (CVE-2019-0708) — Microsoft announced a vulnerability in it's "Remote Desktop…
 
We turn our eye to web server best practices, from the basics of CDNs to the importance of choosing the right multi-processing module. Plus the right way to setup PHP, the trouble with benchmarking, and when to choose NGiNX. Links: Jim's Blog: Installing WordPress on Apache the modern way — It’s been bugging me for a while that there are no correct…
 
We’re back from LinuxFest Northwest with an update on all things WireGuard, some VLAN myth busting, and the trade-offs of highly available systems. Links: TechSNAP Episode 390: What’s Up with WireGuard WireGuard Sent Out Again For Review — WireGuard lead developer Jason Donenfeld has sent out the ninth version of the WireGuard secure network tunnel…
 
We break down the ASUS Live Update backdoor and explore why these kinds of supply chain attacks are on the rise. Plus an update from the linux vendor firmware service, your feedback, and more! Links: Joren Verspeurt on Twitter — The explanation you gave for unsupervised wasn't correct, that was just using a net that was trained in a supervised way.…
 
We reveal the shady password practices that are all too common at many utility providers, and hash out why salts are essential to proper password storage. Plus the benefits of passphrases, and what you can do to keep your local providers on the up and up. Links: Plain wrong: Millions of utility customers’ passwords stored in plain text | Ars Techni…
 
Jim and Wes are joined by OpenZFS developer Richard Yao to explain why the recent drama over Linux kernel 5.0 is no big deal, and how his fix for the underlying issue might actually make things faster. Plus the nitty-gritty details of vectorized optimizations and kernel preemption, and our thoughts on the future of the relationship between ZFS and …
 
In a special new year’s episode we take a moment to reflect on the show’s past, its future, and say goodbye to an old friend. Links: Jim Salter — Jim Salter (@jrssnet) is an author, public speaker, small business owner, mercenary sysadmin, and father of three—not necessarily in that order. He got his first real taste of open source by running Apach…
 
A security vulnerability in Kubernetes causes a big stir, but we’ll break it all down and explain what went wrong. Plus the biggest stories out of Kubecon, and serverless gets serious. Links: Everything that was announced at KubeCon CNCF to Host etcd — The Cloud Native Computing Foundation Technical Oversight Committee voted to accept etcd as an in…
 
We break down Firecracker Amazon’s new open source kvm powered, virtual machine monitor, and explore what makes it different from the options on the market now. Plus some good news for OpenBGP and the wider internet community, and a handy tool for inspecting docker images. Links: Firecracker – Lightweight Virtualization for Serverless Computing — F…
 
WireGuard has a lot of buzz around it and for many good reasons. We’ll explain what WireGuard is specifically, what it can do, and maybe more importantly, what it can’t. Special Guest: Jim Salter. Links: How to easily configure WireGuard — At its core, all WireGuard does is create an interface from one computer to another. Jessie Frazelle's Blog: I…
 
Wes is joined by special guest Jim Salter to discuss Google's recent BGP outage and the future of HTTP. Plus the latest router botnet, why you should never go full UPnP, and the benefits of building your own home router. Special Guest: Jim Salter. Links: Google goes down after major BGP mishap routes traffic through China — Google lost control of s…
 
We explain what eBPF is, how it works, and its proud BSD production legacy. eBPF is a technology that you’re going to be hearing more and more about. It powers low-overhead custom analysis tools, handles network security in a containerized world, and powers tools you use every day. Links: Chris Goes to MeetBSD ​Linus Torvalds talks about coming bac…
 
We bring in Amy Marrich to break down the building blocks of OpenStack. There are nearly an overwhelming number of ways to manage your infrastructure, and we learn about one of the original tools. Plus a few warm up stories, a war story, and more. Special Guest: Amy Marrich. Links: James Stanley - Someone used my IPFS gateway for phishing Scaling E…
 
We bring on our Google Cloud expert and explore the fundamentals, demystify some of the magic, and ask what makes Google Cloud different. Plus how Google hopes Roughtime will solve one of the web’s biggest problems, some great emails, and more! Special Guest: Matt Ulasien. Links: Cloudflare Embraces Google Roughtime, Giving Internet Security a Boos…
 
Kubernetes expert Will Boyd joins us to explain the top 3 things to know about Kubernetes, when it’s the right tool for the job, and building highly available production grade clusters. Plus the privacy improvements that could be coming to HTTPS, and a new SSH auditing tool hits the open source scene. Special Guest: Will Boyd. Links: Open Sourcing …
 
Jon the Nice Guy joins Wes to discuss all things IPFS. We'll explore what it does, how it works, and why it might be the best hope for a decentralized internet. Plus, Magecart strikes again, Alpine has package problems, and why you shouldn't trust Western Digital's MyCloud. Special Guest: Jon Spriggs. Links: GovPayNow.com Leaks 14M+ Records — Gover…
 
TechSNAP progenitor and special guest Allan Jude joins us to talk mobile security, hand out some SSH tips and tricks, and discuss why security shaming works so well. Plus, how Mozilla is protecting their GitHub repos, a check-in on Equifax, and some great picks. Special Guest: Allan Jude. Links: Protecting Mozilla’s GitHub Repositories from Malicio…
 
We’re joined by a special guest to discuss the failures of campaign security, the disastrous consequences of a mismanaged firewall, and the suspicious case of Speck. Plus the latest vulnerabilities in Wireshark and OpenSSH, the new forensic hotness from Netflix, and some great introductions to cryptography. Special Guest: Martin Wimpress. Links: I’…
 
To make DNS more secure, we must move it to the cloud! At least that’s what Mozilla and Google suggest. We breakdown DNS-over-HTTPS, why it requires a “cloud” component, and the advantages it has over traditional DNS. Plus new active attacks against Apache Struts, and a Windows 10 zero-day exposed on Twitter. Sponsored By: iXSystems: Get a system p…
 
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