430: All Good Things
TechSNAP
by Jupiter Broadcasting
4y ago
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. Links: What's new in Fedora 32 Workstation Fedora 32 ChangeSet Linux distro review: Fedora Workstation 32 TechSNAP 428: RAID Reality Check ZFS versus RAID: Eight Ironwolf disks, two filesystems, one winner Understanding RAID: How performance scales from one disk to eight Find Jim on 2.5 Admins Find Wes on LINUX Unplugged TechSNAP 1: First episode of TechSNAP (in 2011!) TechSNAP 300: End of the Allan and Chris era (2017) TechSNAP 301: Enter Da ..read more
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429: Curious About Caddy
TechSNAP
by Jupiter Broadcasting
4y ago
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. Links: Caddy offers TLS, HTTPS, and more in one dependency-free Go Web server Caddy 2 Caddy v2 Improvements [slightly out of date] Proposal: Permanently change all proprietary licensing to open source · Issue #2786 · caddyserver/caddy Revert "Implement Caddy-Sponsors HTTP response header" by lol768 · Pull Request #1866 · caddyserver/caddy Intel’s 10th generation desktop CPUs have arrived—still on 14nm Intel Come ..read more
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428: RAID Reality Check
TechSNAP
by Jupiter Broadcasting
4y ago
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. Links: AMD Claims World’s Fastest Per-Core Performance with New EPYC Rome 7Fx2 CPUs AMD EPYC 7F52 Linux Performance - AMD 7FX2 CPUs Further Increasing The Fight Against Intel Xeon Review Understanding RAID: How performance scales from one disk to eight New Cloudflare tool can tell you if your ISP has deployed BGP fixes Is BGP safe yet? RPKI - The required crypto ..read more
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427: Gigahertz Games
TechSNAP
by Jupiter Broadcasting
4y ago
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 of the Demoscene. Links: Asus ROG Zephyrus G14—Ryzen 7nm mobile is here, and it’s awesome Linux on Laptops: ASUS Zephyrus G14 with Ryzen 9 4900HS Intel’s 10th-generation H-series laptop CPUs break 5GHz | Ars Technica Wi-Fi 6E becomes official—the FCC will vote on rules this month Celebs share rumors linking 5G to coronavirus, nutjobs burn cell towers N ..read more
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426: Storage Stories
TechSNAP
by Jupiter Broadcasting
4y ago
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 in the Linux 5.6 kernel, and fight some exFAT FUD. Links: WireGuard VPN makes it to 1.0.0—and into the next Linux kernel — It's a good day for WireGuard users—DKMS builds will soon be behind us. Linux 5.6 Is The Most Exciting Kernel In Years With So Many New Features fs: New zonefs file system — zonefs is a very simple file system exposing each zone ..read more
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425: Ryzen Gets Real
TechSNAP
by Jupiter Broadcasting
4y ago
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 more. Links: Let's Encrypt changes course on certificate revocation Revoking certain certificates on March 4 Let's Encrypt: Incomplete revocation for CAA rechecking bug Pass authzModel by value, not reference The Complete Guide to CAA Records DNS Certification Authority Authorization AMD's 7nm Ryzen 4000 laptop processors are finally here ..read more
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424: AMD Inside
TechSNAP
by Jupiter Broadcasting
4y ago
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 HTTPS has begun, a big milestone for Let's Encrypt, and more. Links: Firefox continues push to bring DNS over HTTPS by default for US users - The Mozilla Blog The Facts: Mozilla’s DNS over HTTPs (DoH) Security/DOH-resolver-policy - MozillaWiki HTTPS for all: Let’s Encrypt reaches one billion certificates issued | Ars Technica Let’s Encrypt ..read more
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423: Hopeful for HAMR
TechSNAP
by Jupiter Broadcasting
4y ago
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. Links: Ubuntu 18.04.4 LTS: here's what's new — It's not as shiny and exciting as entirely new versions, of course, but it does pack in some worthwhile security and bugfix upgrades, as well as support for more and newer hardware. 18.04.4 - Ubuntu Wiki MobaXterm — Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more. Linux distro revie ..read more
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422: Multipath Musings
TechSNAP
by Jupiter Broadcasting
4y ago
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. Links: Oregon company makes top bid for Microsoft check - CNET Microsoft’s failures to renew: Teams, Hotmail, and Hotmail.co.uk | Ars Technica Microsoft Teams goes down after Microsoft forgot to renew a certificate - The Verge Browser review: Microsoft’s new “Edgium” Chromium-based Edge | Ars Technica Linus Torvalds pulled WireGuard VPN into the 5.6 kerne ..read more
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421: Firewall Fun
TechSNAP
by Jupiter Broadcasting
4y ago
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. Links: Critical Vulnerabilities in Microsoft Windows Operating Systems Win10 Crypto Vulnerability: Cheating in Elliptic Curve Billiards 2 NSA discovers a serious flaw in Windows 10 Exploiting CVE-2020-0601 CVE-2020-0601 POC NSA Cybersecurity Advisory on CryptoAPI Flaw Why can’t I get to the internet on my new OPNsense install?! - Jim's Blog OPNse ..read more
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