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.
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2.5 Admins 272: NVMe Surprise
Why you should seriously consider buying refurbished hard drives, why drives might be lasting longer than they once did, Jim’s M.2 NVMe drive died at an inopportune moment, using multiple partitions on disks with ZFS. Plugs Support us on patreon and get an ad-free RSS feed with early episodes sometimes Advanced ZFS Dataset Management: […]
2.5 Admins 271: Dead Internet
Why you should keep your Baseboard Management Controller off the network, ZFS is hard to defeat with a zip bomb, how bad the Internet bot problem probably is, and building a small home server cluster. Plug Support us on patreon and get an ad-free RSS feed with early episodes sometimes Discussion Supermicro server […]
2.5 Admins 270: Storage Shortage
It looks like the storage companies aren’t betting on the AI bubble lasting much longer, the arguments against self-hosting, and setting up a server for virtualization and containers. Plugs Support us on patreon and get an ad-free RSS feed with early episodes sometimes ZFS Performance Tuning in the Real World: ARC, L2ARC, and SLOG […]
2.5 Admins 269: End of 10?
Windows 10 is officially end of life but Microsoft extends free updates for Windows 10 in Europe, it gets even harder to use a local account in Windows 11, and whether repurposing old server hardware is worth it. Plugs Support us on patreon and get an ad-free RSS feed with early episodes sometimes What […]
2.5 Admins 268: The Salter Philosophy
A Red Hat breach leads to a leak of lots of sensitive customer data, Synology backs down on allowing third-party drives but they are removing features, and managing ZFS properties during replication. Plugs Support us on patreon and get an ad-free RSS feed with early episodes sometimes Optimizing ZFS for High-Throughput Storage Workloads […]
2.5 Admins 267: Hoarding Cache
The weird errors you see when your root partition is full, TikTok uses a lot of bandwidth by preloading videos, and dealing with a ZFS pool that won’t import. Plugs Support us on patreon and get an ad-free RSS feed with early episodes sometimes Troubleshooting ZFS – Common Issues and How to Fix Them […]
2.5 Admins 266: Jiggawatts of Hallucinations
Intel and Nvidia are teaming up for multiple reasons, Open AI are planning to build data centers and use a ludicrous amount of power, LLM hallucinations aren’t going away, and how long we keep servers and hard drives in production. Plugs Support us on patreon and get an ad-free RSS feed with early episodes […]
2.5 Admins 265: Storage Lies
Joe set up a FreeBSD box to serve as a replication target and it was surprisingly straightforward, if rather different from Linux. Plus the lies that storage tells us. Plug Support us on patreon and get an ad-free RSS feed with early episodes sometimes See our contact page for […]
2.5 Admins 264: A Question of Trust
Matrix shows how painful enormous databases can be to restore, why the certificate authority system doesn’t seem to make sense in 2025, a hosting provider thinks they are better than Cloudflare at blocking malicious traffic, a viral app turns out to be written by an enthusiastic dev who doesn’t understand best practices, and using S3 […]
2.5 Admins 263: Seagate RAID
McDonald’s IT systems seem to be riddled with 90s-style coding errors, we finally know where the fraudulent hard drives came from, when IT workers go rogue, and ZFS on root without using FreeBSD or Ubuntu. Plug Support us on patreon and get an ad-free RSS feed with early episodes sometimes News/discussion How I […]
2.5 Admins 262: It’s About Control
Google is planning to assert even more control over which Android apps can be installed, the US government takes a 10% stake in Intel, and minimum networking speeds in homes and offices. Plugs Support us on patreon and get an ad-free RSS feed with early episodes sometimes ZFS Basecamp Launch: A Panel with the […]
2.5 Admins 261: Worms and Baskets
Why you can’t rely on a single cloud provider, Jim discovers AI that spreads itself like a worm, and configuring all-flash arrays. Plugs Support us on patreon and get an ad-free RSS feed with early episodes sometimes FreeBSD Summer Roundup: Guide to Lock-In Free Infrastructure News/discussion AWS deleted my 10-year account and all […]
2.5 Admins 260: Watery Email
AMD’s recent mobile-class processors impress us with their power to performance ratio, the UK government suggests a preposterous way to save water, setting up verified boot with snapshots, and the best way to configure ZFS to run VMs. Plugs Support us on patreon and get an ad-free RSS feed with early episodes sometimes ZFS […]
2.5 Admins 259: New Web?
The Web is a mess of tracking and AI scraping so do we need a new one, would it even be possible, or is this the wrong question? Plus setting up servers in a garage where dusty woodworking is happening. Plug Support us on patreon and get an ad-free RSS feed with early episodes […]
2.5 Admins 258: Artificial Dirtbag
Jim is concerned that although over-anthropomorphising LLMs is a mistake, we should be cautious about some of their human-like behaviour. Plus how to maintain old ZFS pools, and accessibility in the BSDs. Plug Support us on patreon and get an ad-free RSS feed with early episodes sometimes Discussion It’s a mistake to over […]