Episode Archive
240 episodes of TechSNAP since the first episode, which aired on December 4th, 2014.
-
398: Proper Password Procedures
February 28th, 2019 | 31 mins 23 secs
1password, bcrypt, brute force, burp intruder, compliance, cracking, cryptographic hash, cryptography, devops, encryption, entropy, ethics, hashing algorithms, keepass, lastpass, offline encryption, owasp, password manager, password salt, passwords, pbkdf2, pci-dss, pivot, plaintext, power company, rainbow tables, scrypt, security, security research, sedc, software development, standards, sysadmin podcast, techsnap, utility
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.
-
397: Quality Tools
February 14th, 2019 | 40 mins 39 secs
bandwidth, bitorrent, bufferbloat, collectd, command line, firehol, fireqos, firewall, gre, home networking, iptables, latency, monitoring, mpls, munin, nagios, netdata, network discipline, networking, networking engineering, openvpn, prometheus, qdisc, qos, queing discipline, queues, rate limit, routing, sane defaults, tc, tcp, traffic control, traffic shaping, udp, vpn, wireguard, wondershaper
Join Jim and Wes as they battle bufferbloat, latency spikes, and network hogs with some of their favorite tools for traffic shaping, firewalling, and QoS.
-
396: Floating Point Problems
January 31st, 2019 | 27 mins 11 secs
avx, cddl, checksum, clone, data integrity, devops, floating point, fpu, freebsd, gpl, hardware acceleration, header, journaling, kernel module, kernel preemption, lfnw, linux, multitasking, openzfs, oracle, raid, simd, snapshot, software license, storage, sysadmin podcast, techsnap, vectorized instructions, zfs, zfs on linux, zol, zvol
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.
-
395: The ACME Era
January 20th, 2019 | 33 mins 21 secs
acme, acme v2, apache, automation, bgp, caddy, certbot, csr, devops, dns, domain verification, dovecot, dv, eff, encryption, ev, exim, extended verification, http, https, ietf, isrg, let’s encrypt, mail server, mozilla, networking, nginx, postfix, public key cryptography. x.509, security, ssl, ssl certificates, startssl, sysadmin podcast, techsnap, tls, tls certificates, tls-sni-01, traefik
We welcome Jim to the show, and he and Wes dive deep into all things Let’s Encrypt.
-
394: All About Azure
January 10th, 2019 | 26 mins 9 secs
active directory, aws, azure, azure sphere, azure stack, cloud, command line, devops, file sync, hybrid cloud, linux, microsoft, mssql, networking, powershell, powershell core, security, sysadmin podcast, techsnap, virtualization, vpc, vpn, windows
Wes is joined by a special guest to take a look back on the growth and development of Azure in 2018 and discuss some of its unique strengths.
-
393: Back to our /roots
January 3rd, 2019 | 22 mins 22 secs
allan jude, automation, aws, bitcoin, cloud, devops, dropbox, flash, freebsd, information density, jim salter, networking, psn breach, security, security breach, sony, ssl, sysadmin podcast, techsnap, tls, wordpress
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.
-
392: Keeping up with Kubernetes
December 12th, 2018 | 27 mins 28 secs
ceph, christmas, chromium, chromium os, cloud native, cloudevent, cncf, container vulnerability, containers, control plane, crossplane, cve, cve-2018-1002105, devops, elasticsearch, etcd, event driven, faas, gitlab, google, helm, helm hub, holiday, http, ibm, istio, k8s, knative, kube-apiserver, kubecon, kubernetes, metrics, multicloud, networking, openwhisk, rbac, red hat, rook, security, security vulnerability, security.christmas, serverless, storage, sysadmin podcast, techsnap, traefik, websocket
A security vulnerability in Kubernetes causes a big stir, but we’ll break it all down and explain what went wrong.
-
Episode 391: Firecracker Fundamentals
November 29th, 2018 | 21 mins 17 secs
allan jude, amazon, aws, bgp, devops, dive, docker, evilginx2, fargate, firecracker, kvm, lambda, lsi, mitm, networking, openbgpd, openbsd, proxy, qemu, raid, ripe, rpki, rust, security, sennheiser, serverless, ssl, sysadmin podcast, techsnap, tls, venom, virtual machines, virtualization
We break down Firecracker Amazon’s new open source kvm powered, virtual machine monitor, and explore what makes it different than the options on the market now.
-
Episode 390: What’s Up with WireGuard
November 22nd, 2018 | 34 mins 55 secs
algo, devops, ipsec, jim salter, linux, networking, private networking, security, ssh, sysadmin podcast, techsnap, vpn, wireguard
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.
-
Episode 389: The Future of HTTP
November 15th, 2018 | 43 mins 46 secs
ars technica, bcmupnp_hunter, bgp, bgp hijack, bgp leak, bgp security, botnet, broadcom, china telecom, devops, encryption, format string vulnerability, google, homebrew router, http, http-over-quic, http/3, jim salter, mainone, networking, quic, router, router security, rpki, sanoid, security, spam, sysadmin, techsnap, tls, udp, upnp, wifi, wireguard
Wes is joined by special guest Jim Salter to discuss Google's recent BGP outage and the future of HTTP.
-
Episode 388: The One About eBPF
October 25th, 2018 | 36 mins 57 secs
bcc, bpf, bpfilter, bpftrace, bytecode, containers, devops, dtrace, ebpf, instrumentation, kernel, kprobe, linus, linux, lwn, meetbsd, monitoring, networking, observability, pipecut, pipeline, seccomp, security, shell, sysadmin, tcpdump, techsnap, tracing, ultimate plumber, up, virtual machine, xdp
We explain what eBPF is, how it works, and its proud BSD production legacy.
-
Episode 387: Private Cloud Building Blocks
October 11th, 2018 | 33 mins 37 secs
amy marrich, ansible, containers, cri, ipfs, kata containers, kubernetes, magnum, openstack, openstack training artichect, phishing, private cloud, rachel kroll, rfc, rocky, sysadmin, techsnap, uber, writing things down, zun, zuul
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.
-
Episode 386: What Makes Google Cloud Different
October 4th, 2018 | 34 mins 57 secs
bare metal kubernetes, cloud build, container security, google cloud, iot, kubedirector, kubernetes, kubespy, matt ulasien, ntp, roughtime, sysadmin podcast, techsnap, timekeeping
We bring on our Google Cloud expert and explore the fundamentals, demystify some of the magic, and ask what makes Google Cloud different.
-
Episode 385: 3 Things to Know About Kubernetes
September 27th, 2018 | 23 mins 9 secs
clonezilla, cloudflare, esni, hassh, https, kubeadm, kubernetes, kubernetes the hard way, minikube, salesforce, sni, ssh, sysadmin podcast, techsnap, will boyd
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.
-
Episode 384: Interplanetary Peers
September 21st, 2018 | 37 mins 14 secs
alpine linux, cloudflare, content-addressable storage, data breach, decentralization, decentralized storage, devops, dnslink, docker, filecoin, filesystems, government payment service, govpaynow, hacktoberfest, interplanetary filesystem, ipfs, ipns, ipsec, javascript, magecart, newegg, orbitdb, payment systems, peer-to-peer, podcast, sysadmin, vpn, wd my cloud, western digital
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.
-
Episode 383: The Power of Shame
September 13th, 2018 | 51 mins 48 secs
2fa, apple, british airways, csv, devops, equifax, github, javascript, mozilla, podcast, project verify, security shaming, sql, ssh, ssh forwarding, supply chain, sysadmin
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.