2.5 Admins

2.5 Admins is a podcast featuring two sysadmins called Allan Jude and Jim Salter, and a producer/editor who can just about configure a Samba share called Joe Ressington. Every two weeks we get together, talk about recent tech news, and answer some of your admin-related questions.

2.5 Admins 193: TV DoS

How a smart TV broke a Windows machine on the same network by pretending to be hundreds of different TVs, Jim’s alarming theory about AI malware, and encrypting offsite backups.   Plug Support us on patreon and get an ad-free RSS feed with early episodes sometimes   News/discussion Is your PC having trouble? Your smart […]

05-02
30:45

2.5 Admins 192: ZFS Week

ZFS on root is back in the Ubuntu installer but there’s a better way to do it, next-generation hard drives are proving to be reliable but prices are going up thanks to storage-hungry AI, why getting started with ZFS is really easy, and the best filesystem for a single SSD (take a guess).   Plugs […]

04-25
31:07

2.5 Admins 191: Mechanical Turk

Why updating iPhones in their sealed boxes might have some downsides, Amazon’s “AI” turned out to just be people, LLMs hallucinating imaginary dependencies is potentially a security risk, Aruba backs up its government data to the Internet Archive, and disk queue schedulers in Linux.   Plug Support us on patreon and get an ad-free RSS […]

04-18
28:31

2.5 Admins 190: twitterz

A backdoor has been found in xz-utils, OpenZFS improves ZVOL performance on Linux, Twitter devs fail at regex, and adding SATA ports to a home NAS.   Plug Support us on patreon and get an ad-free RSS feed with early episodes sometimes Hybrid Cloud Show is a new show that’s part of the Late Night […]

04-11
30:17

2.5 Admins 189: Too Much Glass

Glassdoor seemingly doesn’t understand its raison d’etre, Telegram wants to cheap out on sending verification codes, law enforcement makes YouTube give them details of everyone who watched certain videos, and tuning a low end VPS to host a blog.   Plug Support us on patreon and get an ad-free RSS feed with early episodes sometimes […]

04-04
32:26

2.5 Admins 188: Farewell to Core

The FreeBSD version of TrueNAS is going away, a major Apple antitrust case begins, encrypted LLM chat responses are relatively easy to read, and scaling a fleet of FreeBSD hosts with jails.   Plug Support us on patreon and get an ad-free RSS feed with early episodes sometimes   News TrueNAS CORE 13 is the […]

03-28
28:40

2.5 Admins 187: MDK

Prison officials took away inmate student laptops for no good reason, Warner Bros. ruined gamers’ experiences, Google’s terrible office WiFi, and managing gold images.   Plug Support us on patreon and get an ad-free RSS feed with early episodes sometimes   News/discussion An engineer bought a prison laptop on eBay. Then 1,200 incarcerated students lost […]

03-21
31:07

2.5 Admins 186: Jim Defends the CFAA

Roku stops its users watching TV until they accept a new ToS, the line between journalism and computer fraud and abuse, and when using jumbo frames on a network makes sense.   Plug Support us on patreon and get an ad-free RSS feed with early episodes sometimes   News Roku disables players and TVs with […]

03-14
29:55

2.5 Admins 185: 2.5 Gigabits

The boss of Nvidia says kids don’t need to code because they can just use AI, companies sell their users’ data to train models, and why 2.5Gbps networking probably isn’t worth bothering with.   Plug Support us on patreon and get an ad-free RSS feed with early episodes sometimes   News/discussion Jensen Huang says kids […]

03-07
28:48

2.5 Admins 184: Avast, mateys

More cameras leak footage, Avast is fined for selling user data, a vending machine quietly scans students’ faces, using a small NVMe drive with ZFS, and taking snapshots of VMs.   Plug Support us on patreon and get an ad-free RSS feed with early episodes sometimes   News “So violated”: Wyze cameras leak footage to […]

02-29
32:08

2.5 Admins 183: Unbootable Quantum Toothbrushes

Why it’s not a great idea to install Windows 11 on unsupported hardware, quantum computing hype has been replaced by AI, toothbrushes can’t be part of a botnet, Google has killed cached search results, and testing your backups.   Plugs Support us on patreon and get an ad-free RSS feed with early episodes sometimes   […]

02-22
31:18

2.5 Admins 182: All the Small Things

Nginx is forked, Broadcom/VMware kills ESXi, dedup is finally fixed in ZFS, using multiple network interfaces on a NAS, and more.   Plugs Support us on patreon and get an ad-free RSS feed with early episodes sometimes   News announcing freenginx.org Broadcom-owned VMware kills the free version of ESXi virtualization software OpenZFS Native Encryption Use […]

02-15
29:40

2.5 Admins 181: Triangle Fraud

Trying to report a security issue lands a consultant in trouble, a new take on the drop shipping scam, setting up your first NAS – including the benefits of RAID, picking a distro, choosing the right disk size, and more.   Plug Support us on patreon and get an ad-free RSS feed with early episodes […]

02-08
29:05

2.5 Admins 180: Email 777

Microsoft’s rudimentary error that allowed an attacker access to its executives’ emails, Pixel phones have another serious storage bug, hidden malware payload found at Ars Technica, and when to upgrade your hardware for Windows 11.   Plugs Support us on patreon and get an ad-free RSS feed with early episodes sometimes BSDCan 2024 – Call […]

02-01
33:18

2.5 Admins 179: Y2K NotOK

Y2K was a pretty serious problem and 2038 is coming soon, work on Arm servers is improving the experience on the desktop, and what to do with an old unsupported Synology NAS.   Plugs Support us on patreon and get an ad-free RSS feed with early episodes sometimes OpenZFS Best Practices: Part 2: File Serving […]

01-25
32:23

2.5 Admins 178: LOTS of Storage

Hard drives are pretty much an enterprise product now, GitHub’s malware problem, and spreading services across different machines and VMs to keep downtime to a minimum.   Plugs Support us on patreon and get an ad-free RSS feed with early episodes sometimes OpenZFS Storage Best Practices and Use Cases Part 1: Snapshots and Backups   […]

01-18
30:31

2.5 Admins 177: Don’t Pay the Dane

Why the problems with open source licenses aren’t quite as easy to fix as some people think, the reasons you should never pay ransomware gangs, and running a Nagios distro on a Raspberry Pi.   Plug Support us on patreon and get an ad-free RSS feed with early episodes sometimes   News/discussion What comes after […]

01-11
29:16

2.5 Admins 176: Sudo Cognito

What does “incognito mode” in Chrome actually mean and whether documenting browser standards in code is a good idea, the serious implications of a fun story about messing with a ChatGPT instance, and maximizing performance when using mixed disk types on ZFS mirrored vdevs.   Plug Support us on patreon and get an ad-free RSS […]

01-04
30:23

2.5 Admins 175: Guess Who’s Listening

Twitch pulls out of Korea thanks to the opposite of Net Neutrality, it’s not clear to what extent smart devices are listening to your conversations, more on water usage in data centers, and our thoughts on mandatory access controls.   Plug Support us on patreon and get an ad-free RSS feed with early episodes sometimes […]

12-28
29:06

2.5 Admins 174: Guess Who’s Watching

What you need to know about the recent SSH vulnerability, yet another privacy issue with cloud-connected security cameras, why it’s difficult to get to the bottom of an obscure ZFS encryption bug, and more.   Plug Support us on patreon and get an ad-free RSS feed with early episodes sometimes   News SSH protects the […]

12-21
31:31

terrywang

pv by default uses a transfer buffer size, not 'block size'. It defaults to the block size of the input file's filesystem multiplied by 32 (512kb max) or 400 if the block size cannot be determined. Another great episode. Thanks guys.

10-07 Reply

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