We found 9 episodes of TechSNAP with the tag “linux”.
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401: Everyday ZFS
April 11th, 2019 | 47 mins 35 secs
ashift, backups, cddl, checksum, copy on write, copyleft, data integrity, devops, ecc, filesystems, freebsd, gpl, hard disks, hard drives, iops, linux, openzf s, raid, raidz, snapshots, solaris, ssd, sun microsystems, sysadmin podcast, techsnap, throughput, ubuntu, vdez, zfs, zfs on linux, zfs on root, zol
Jim and Wes sit down to bust some ZFS myths and share their tips and tricks for getting the most out of the ultimate filesystem.
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400: Supply Chain Attacks
March 28th, 2019 | 32 mins 33 secs
asus, asus live update firmware, asus malware, backdoor, badusb, bios, c runtime, cccleaner, command and control server, compiler, devops, fwupd, gigabyte, hardware manufacturers, intel management engine, ken thompson, linux, linux vendor firmware service, mac address, machine learning, malware, microcontroller, node, npm, package managers, pypi, python, reflections on trusting trust, shadowhammer, shadowpad, ssd firmware, supply chain, supply chain attacks, sysadmin podcast, techsnap, uefi, unsupervised learning, windows
We break down the ASUS Live Update backdoor and explore why these kinds of supply chain attacks are on the rise.
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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.
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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.
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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.
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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.
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Episode 382: Domestic Disappointments
September 6th, 2018 | 44 mins 56 secs
500 mile email, android, attachments, bgp, china, cia, crypto, cryptography, cve, cvss, devops, diffy, election security, elections, email, espionage, firewall, google, isp, linux, manga, netflix, nsa, openssh, podcast, security, security keys, speck, ssh, tcp, tcp rst, usa, wireshark
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.
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Episode 379: SegmentSmack is Whack
August 10th, 2018 | 29 mins 16 secs
buffer overflow, eric holmes, freebsd, github audit, gitrob, homebrew, linux, segmentsmack, sysadmin podcast, techsnap, trufflehog, uefi remote attack, undersea data center
Take down a Linux or FreeBSD box with just 2kpps of traffic, own Homebrew in 30 minutes, and infiltrate an entire network via the Inkjet printers.
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Episode 349: All Natural Namespaces
December 21st, 2017 | 50 mins
botlogs, botnets, containers, fireeye, ieee 802.1ab, linux, malware, network namespace, robot attack, routing, sysadmin podcast, techsnap, triton, virtual ethernet devices, vrf, wannacry, wannacry killswitch, wireguard
Network Namespaces have been around for a while, but there may be be some very practical ways to use them that you’ve never considered. Wes does a deep dive into a very flexible tool.