May 29th, 2020 | 52 mins 9 secs
a cloud guru, anaconda, benchmarking, blivet, block size, centos, chunk, copy-on-write, dash to dock, devops, dkms, dnf, earlyoom, fedora, fedora 32, fedora workstation, filesystem, fuse, gnome, hard drive, hdd, iops, jupiter broadcasting, linux, lts, matthew miller, oom, openzfs, parity, ppa, raid, raid6, raidz, red hat, rolling release, spindle count, ssd, storage, sysadmin podcast, systemd, techsnap, throughput, ubuntu, vdev, wayland, x11, zfs, zpool
It's a storage showdown as Jim and Wes bust some performance myths about RAID and ZFS.
May 15th, 2020 | 30 mins 45 secs
10nm, 14nm, 5.0 ghz, 5g, a cloud guru, amd, apache, automation, base clock rate, caddy, celeron, certbot, cloud, comet lake, containers, cpu, cpu cooling, debian, defense department, devops, fcc, gigahertz wars, gps, https, hyperthreading, i3, i5, i7, ice lake, integrated graphics, intel, intel core, internet, iot, jupiter broadcasting, l-band spectrum, let's encrypt, ligado, lightsquared, lithography, mobile broadband, nginx, ocsp, packaging, pentagon, pentium, power management, reverse proxy, security, single-core, software-defined radio, spoofing, sysadmin podcast, tdp, techsnap, thermal design power, thermal velocity boost, tls, traefik, turbo max boost, us military, web, web server, wireless communication, wordpress
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.
May 1st, 2020 | 36 mins
7fx2, a cloud guru, amd, backups, benchmarking, bgp, cloudflare, cpu, cron, cryptography, data integrity, devops, email, energy efficiency, epyc, fio, hard disk performance, hard drive, intel, internet, iops, iron wolf, isbgpsafeyet, jupiter broadcasting, md-raid, monitoring, networking, per-core performance, raid, raid-10, raid-5, raid-6, raidz, raidz2, route leak, routing, rpki, seagate, security, storage, sysadmin podcast, systemd, systemd timers, tdp, techsnap, threadripper, zfs
We dive deep into the world of RAID, and discuss how to choose the right topology to optimize performance and resilience.
April 17th, 2020 | 51 mins 29 secs
10th-generation, 20.04, 5g, 6ghz, a cloud guru, amd, amiga, assembly, asus zephyrus g14, bsd, cell towers, comet lake, computer graphics, coronavirus, covid-19, demoscene, devops, farbrausch, fcc, focal fossa, freebsd, gaming laptop, ghostbsd, gnome, h-series, intel, jupiter broadcasting, mate, mod, overclocking, pc-bsd, project trident, ryzen 9, s3m, sysadmin podcast, techsnap, tracker, ubuntu, unix, void linux, wi-fi, wi-fi 6, wi-fi 6e, wireless spectrum, zfs on root
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.
April 3rd, 2020 | 31 mins 17 secs
a cloud guru, andoird, block device, cloudfare, crypto, debian, device mapper, devops, dm-crypt, dm-zoned, encryption, exfat, filesystems, firmware, free software, fud, google, jupiter broadcasting, kernel module, linux 5.6, microsoft, networking, ntfs, ntfs-3g, nvme, open source, paragon software, raid, samba, samsung, seagate, security, shingled magnetic recording, smb, smr, ssd, sysadmin podcast, techsnap, ubuntu, western digital, windows, wireguard, zfs, zoned storage, zonefs
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.
March 20th, 2020 | 32 mins 53 secs
20.04, a cloud guru, acme, amd, apt, atx12vo, automation, battery life, boulder, caa, canonical, computer hardware, cpu, devops, dns, electronics, freenas, fusion pools, gaming, go, gpu, graphics, https, integrated graphics, intel, ixsystems, jupiter broadcasting, laptop, lenovo, let's encrypt, linux academy, mobile processors, motherboard, power supply, psu, ryzen, ryzen 4000, ryzen mobile, sanoid, snapshots, storage, sysadmin podcast, techsnap, tls, truenas, truenas core, ubuntu, zfs, zsys
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.
March 6th, 2020 | 28 mins 19 secs
a cloud guru, amd, apple, broadcom, chrome, chromium, cloudflare, cpu, devops, dns, dns over https, doh, edge, encryption, energy, epyc, eset, firefox, google, https, intel, iphone, jupiter broadcasting, kr00k, krack, let's encrypt, linux academy, memory encryption, microsoft, microsoft edge, mktme, mozilla, nextdns, open source, performance per watt, power consumption, security, sgx, sme, ssl, sysadmin podcast, techsnap, tls, tme, tsme, vpn, web security, wifi, wireless, wpa2
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.
February 21st, 2020 | 29 mins 36 secs
18.04, 18.04.4, a cloud guru, arc, benchmarks, cache, caching, clear linux, clear linux os, devops, filesystems, hamr, hard drives, hardware enablement, hdd, intel, jupiter broadcasting, l2arc, latency, linux, linux academy, linux desktop, lru, lts, maintenance release, mamr, microsoft, mobaxterm, performance, seagate, smr, storage, swupd, sysadmin podcast, techsnap, throughput, ubuntu, western digital, wifi, windows, wsl, zfs, zfs on linux, zol
We explore the potential of heat-assisted magnetic recording and get excited about a possibly persistent L2ARC.
February 7th, 2020 | 23 mins 37 secs
3gpp, 5g, a cloud guru, apple, aslr, automation, blink, browser wars, buffer overflow, cacheout, chrome, chromium, cloud, crypto, cryptography, devops, edge, edgium, failover, firefox, intel, ios, jason donenfeld, jupiter broadcasting, let's encrypt, linux, linux 5.6, linux academy, lte, microsoft, mobile, monitoring, mptcp, multipath tcp, nagios, networking, open standards, poly1305, sgx, speculative execution, ssl, stack canary, stack smashing, sysadmin podcast, teams, techsnap, tls, tsx, ubuntu 20.04, virtualization, vpn, wireguard, world wide web, zombieload
We take a look at a few exciting features coming to Linux kernel 5.6, including the first steps to multipath TCP.
January 24th, 2020 | 25 mins 9 secs
2600, a cloud guru, apollo, arm, bsd, captain crunch whistle, certificate validation, crypt32.dll, cryptoapi spoofing, cryptography, crystal method, cve-2020-0601, devops, ecc, elliptic curve cryptography, eternalblue, firewall, firewall appliance, hacking, iptables, john draper, jupiter broadcasting, linux, linux academy, microsoft, mitm, moon, nasa, national security administration, netgate, netgear, networking, nmap, nsa, opnsense, patch tuesday, patching, pf, pfsense, phreaking, quindar, quindar tones, rdp, rdp client, rdp gateway, routing, security, security gateway, space, sysadmin podcast, techsnap, telephony, unix, vpn, vulnerability, windows, windows 10, windows update, x86
We explore the latest round of Windows vulnerabilities and Jim shares his journey adding OPNsense to his firewall family.