2.5 Admins
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- 12. Nov. 2026
Über den Podcast
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 week we get together, talk about recent tech news, and answer some of your admin-related questions.
Folgen 325
2.5 Admins 325: Fmail
Why we think ActivityPub federation could replace email, Proxmox Backup Server is worth considering in addition to ZFS snapshots, follow-up on doomsday tech, sharing Jellyfin with friends and family, and …
Shownotes
Why we think ActivityPub federation could replace email, Proxmox Backup Server is worth considering in addition to ZFS snapshots, follow-up on doomsday tech, sharing Jellyfin with friends and family, and upgrading a home network from gigabit to 2.5Gb.
Discussion
Feedback
Free consulting
Jellyfin Full Automation Guide (2026): Radarr, Sonarr, Bazarr, Jellyseerr From Request to Stream
Support us on patreon and get an ad-free RSS feed with some early episodes
See our contact page for ways to get in touch.
2.5 Admins 324: Less Canadian
A bug in APT shines a light on a long-standing issue, backing up databases in containers, the pros and cons of using FreeBSD to host Linux VMs, network isolation for VMs, and using another backup technology in …
Shownotes
A bug in APT shines a light on a long-standing issue, backing up databases in containers, the pros and cons of using FreeBSD to host Linux VMs, network isolation for VMs, and using another backup technology in addition to ZFS. With guest host Sean from Hybrid Cloud Show.
Plug
Support us on patreon and get an ad-free RSS feed with some early episodes
News/discussion
APT can merge two different package downloads after an HTTP redirect gives them the same URI
Free Consulting
A modern Proxmox Docker architecture with disposable VMs, VirtIO-FS, and ZFS
See our contact page for ways to get in touch.
2.5 Admins 323: No /boot For You
Why you should be watching for SSL certificates that you didn’t issue, Let’s Encrypt is shortening the length of certs to 64 days, Ubuntu tightens up GRUB with secure boot, an Intel driver bug breaks IPv6 for …
Shownotes
Why you should be watching for SSL certificates that you didn’t issue, Let’s Encrypt is shortening the length of certs to 64 days, Ubuntu tightens up GRUB with secure boot, an Intel driver bug breaks IPv6 for major services, and running websites from a home Internet connection.
Plugs
Support us on patreon and get an ad-free RSS feed with some early episodes
FreeBSD Release Cycles and Enterprise Requirements: Why LTS Matters
News/discussion
Chrome’s Response to Recent ccTLD Registry Hijacks
64-Day Certificate Lifetimes Coming Feb 2027 – Let’s Encrypt
Ubuntu 26.10 drops Btrfs, XFS & ZFS /boot with Secure Boot
A preinstalled Intel driver is silently breaking IPv6, OneNote and Microsoft 365
See our contact page for ways to get in touch.
2.5 Admins 322: Internet Defrigeration
Supermarkets found out why their fridges shouldn’t be on the Internet and Samsung smart fridges broke after a firmware update, why we don’t recommend MoCA, some tips for running ethernet cables in your house …
Shownotes
Supermarkets found out why their fridges shouldn’t be on the Internet and Samsung smart fridges broke after a firmware update, why we don’t recommend MoCA, some tips for running ethernet cables in your house, and why it’s fine to use a short TTL with your domains.
Plugs
Support us on patreon and get an ad-free RSS feed with some early episodes
Biggest ZFS Misconfigurations and How to Fix Them: Part 2
News/discussion
Hackers heat French supermarket fridges, sparking fires and spoiling food
The username is admin and the password changes every day automatically to.. the current date
Owners mourn spoiled food after firmware update bricks Samsung smart fridges
Free consulting
See our contact page for ways to get in touch.
2.5 Admins 321: Backup Strategy
Why batteries in homes could benefit everyone involved, why we didn’t bring up wake-on-LAN when someone asked about keeping a NAS powered on as little as possible, building a router vs buying one, and ways to …
Shownotes
Why batteries in homes could benefit everyone involved, why we didn’t bring up wake-on-LAN when someone asked about keeping a NAS powered on as little as possible, building a router vs buying one, and ways to manage ssh connections.Plugs
Support us on patreon and get an ad-free RSS feed with some early episodes
Biggest ZFS Misconfigurations and How to Fix Them: Part 1
News/discussion
How I kept cool with NYC’s free battery program for window AC units
See our contact page for ways to get in touch.
2.5 Admins 320: Dining on Goose
Google offers a few pennies to web publishers to make up for stealing their content and not sending them any traffic, the tech we’d try to use after the apocalypse, why Jim doesn’t virtualise his clients’ …
Shownotes
Google offers a few pennies to web publishers to make up for stealing their content and not sending them any traffic, the tech we’d try to use after the apocalypse, why Jim doesn’t virtualise his clients’ desktops, and setting up Volume Shadow Copy so your users can restore their own files.
Plugs
Support us on patreon and get an ad-free RSS feed with some early episodes
FreeBSD: The Hidden Cost of Upgrading in Production
News/discussion
Google’s early attempt to pay websites for AI answers is struggling
See our contact page for ways to get in touch.
2.5 Admins 319: Funding Open Source
The challenges of funding open source software projects, how Netflix uses FreeBSD in a positive way, why you shouldn’t try to complicate your monitoring, and running servers in a small residence. Plugs Support …
Shownotes
The challenges of funding open source software projects, how Netflix uses FreeBSD in a positive way, why you shouldn’t try to complicate your monitoring, and running servers in a small residence.
Plugs
Support us on patreon and get an ad-free RSS feed with some early episodes
Why Is Everyone Stuck on FreeBSD 13?
Discussion
See our contact page for ways to get in touch.
2.5 Admins 318: End of Exchange
Microsoft really wants you to update your Exchange server, our thoughts on immutable distros, more on Jim’s approach to internet access for his kids, restricting access to servers on a corporate network, and …
Shownotes
Microsoft really wants you to update your Exchange server, our thoughts on immutable distros, more on Jim’s approach to internet access for his kids, restricting access to servers on a corporate network, and cloning and backing up operating systems with ZFS.
Plugs
Support us on patreon and get an ad-free RSS feed with some early episodes
OpenZFS User and Developer Summit 2026: October 27-30
News
Microsoft to bounce mail from outdated Exchange servers
See our contact page for ways to get in touch.
2.5 Admins 317: Need Less
Some of the ways you can mitigate the ridiculous hardware prices, and designing a small business LAN. Plugs Support us on patreon and get an ad-free RSS feed with some early episodes FreeBSD’s Release Cycle …
Shownotes
Some of the ways you can mitigate the ridiculous hardware prices, and designing a small business LAN.
Plugs
Support us on patreon and get an ad-free RSS feed with some early episodes
FreeBSD’s Release Cycle: What It Means for Your Upgrade Schedule
Free consulting
We were asked about designing a small business LAN.
See our contact page for ways to get in touch.
2.5 Admins 316: BGP Clipboard Hijack
A BGP hijack involved some basic errors, Microsoft teaches people to ignore warnings in Windows, Zoom appears to be reading the clipboard on X11, why a non-US open certificate authority is feasible in theory …
Shownotes
A BGP hijack involved some basic errors, Microsoft teaches people to ignore warnings in Windows, Zoom appears to be reading the clipboard on X11, why a non-US open certificate authority is feasible in theory, and keeping a NAS powered on as little as possible.
Plugs
Support us on patreon and get an ad-free RSS feed with some early episodes
News/discussion
BGP hijack infecting networks caused by a comedy of errors that’s not funny at all
Windows bug incorrectly tells users that Microsoft Defender Antivirus is turned off
Free consulting
We were asked about keeping a NAS powered on as little as possible.
See our contact page for ways to get in touch.
2.5 Admins 315: Hot Bus Adapter
What to read into a study of long-term Backblaze hard drive failure data, why the difference between TB and TiB matters, and what to do about an overheating host bus adapter. Plugs Support us on patreon and get …
Shownotes
What to read into a study of long-term Backblaze hard drive failure data, why the difference between TB and TiB matters, and what to do about an overheating host bus adapter.
Plugs
Support us on patreon and get an ad-free RSS feed with some early episodes
ZFS vs Ceph: Choosing the Right Storage Architecture
News/discussion
Changing Language for Storage Capacity
Free consulting
We were asked about an overheating host bus adapter.
See our contact page for ways to get in touch.
2.5 Admins 314: 50 PBS TBS
A TV station struggles to retrieve its data from the data centre company that a defunct intermediary used, why we don’t want AI to manage our networks (even if Microsoft thinks we should), and understanding …
Shownotes
A TV station struggles to retrieve its data from the data centre company that a defunct intermediary used, why we don’t want AI to manage our networks (even if Microsoft thinks we should), and understanding vdevs, and datasets in ZFS.
Plugs
Support us on patreon and get an ad-free RSS feed with some early episodes
OpenZFS User and Developer Summit 2026 CfP is open until September 11
FreeBSD Security in Production: Vulnerability Response and Operational Best Practices
News/discussion
Nine PBS sues Iron Mountain over blocked access to archival data
Judge sets framework for Nine PBS to retrieve archival data
The patch window is collapsing: Why security needs a new control plane
Free consulting
We were asked about pools, vdevs, and datasets in ZFS.
See our contact page for ways to get in touch.
2.5 Admins 313: Cooking with NVMe
Microsoft claims that Windows 11 will work well with 8GB of RAM, some of the innovations coming to high end SSDs, the arguments for TP-Link Omada over Ubiquiti UniFi. Plugs Support us on patreon and get an …
Shownotes
Microsoft claims that Windows 11 will work well with 8GB of RAM, some of the innovations coming to high end SSDs, the arguments for TP-Link Omada over Ubiquiti UniFi.
Plugs
Support us on patreon and get an ad-free RSS feed with some early episodes
FreeBSD Support: Greatest Hits
Discussion
Microsoft says 8 GB of RAM should be enough for anyone running Windows 11
Windows quality: an update on the commitment we made in March
Free consulting
We were asked about the arguments for TP-Link Omada over Ubiquiti UniFi.
See our contact page for ways to get in touch.
2.5 Admins 312: Bus Factor
In a world where photos can no longer be trusted, Jim argues that we should move to a default distrust model where images are signed at every stage of the process of creation. We get into some of the potential …
Shownotes
In a world where photos can no longer be trusted, Jim argues that we should move to a default distrust model where images are signed at every stage of the process of creation. We get into some of the potential issues. Plus how to ensure continuity for your clients in the event of your demise, and setting up a system to demonstrate ZFS replication capabilities.
Plugs
Support us on patreon and get an ad-free RSS feed with some early episodes
Discussion
Google Earth risked ruin with retracted AI tool for making fake satellite pics
Apple is working on a way to authenticate that a photo came from an iPhone camera
Free consulting
We were asked about how to ensure continuity for your clients in the event of your demise, and setting up a system to demonstrate ZFS replication capabilities.
See our contact page for ways to get in touch.
2.5 Admins 311: Couch Cushions
Microsoft restored an account including files that it initially claimed wasn’t possible, Apple might lock down phones if people don’t keep up their lease payments, ZFS scrubs shouldn’t be painful, and accessing …
Shownotes
Microsoft restored an account including files that it initially claimed wasn’t possible, Apple might lock down phones if people don’t keep up their lease payments, ZFS scrubs shouldn’t be painful, and accessing another network from a locked-down work machine.
Plugs
Support us on patreon and get an ad-free RSS feed with some early episodes
ZFS vs Ceph: Do You Actually Need Ceph?
News/discussion
Microsoft restores player’s 25-year-old account following widespread backlash
iOS 27 code suggests Apple could restrict leased devices after missed payments
If Scrubs Hurt, Your ZFS Design Is Broken
Free consulting
We were asked about accessing another network from a locked-down work machine.
Linux After Dark – Episode 120
See our contact page for ways to get in touch.
2.5 Admins 310: GPLFreeBSD
Google wants you to use a selfie video for account recovery, LG will stop apps turning their smart TVs into residential proxy nodes, we disagree about how serious OpenAI’s agent hacking Hugging Face is, FreeBSD …
Shownotes
Google wants you to use a selfie video for account recovery, LG will stop apps turning their smart TVs into residential proxy nodes, we disagree about how serious OpenAI’s agent hacking Hugging Face is, FreeBSD removes the last bits of GPL software and suffers an embarrassing git flub , and backing up to an encrypted NAS without ZFS.
Plug
Support us on patreon and get an ad-free RSS feed with some early episodes
News/discussion
Introducing selfie for sign-in: a new, easy way to access your Google Account
LG to Ban Residential Proxies from Smart TV Apps
OpenAI says its AI agent broke out of testing sandbox to hack Hugging Face
FreeBSD 16 Retires The Last Of Its GPL Code From Its Base System
Free consulting
We were asked about backing up to an encrypted NAS without ZFS.
See our contact page for ways to get in touch.
2.5 Admins 309: Orbital Sauron
A new HTTP caching standard looks promising but might struggle to get adopted, a terrible space mirror idea is actually happening, cars will spy on us all, and picking a VPN for use with an IP that doesn’t …
Shownotes
A new HTTP caching standard looks promising but might struggle to get adopted, a terrible space mirror idea is actually happening, cars will spy on us all, and picking a VPN for use with an IP that doesn’t change very often.
Plug
Support us on patreon and get an ad-free RSS feed with some early episodes
News/discussion
HTTP gets a QUERY method so complex searches can stop pretending to be POST
FCC grants approval for sun-reflecting space mirror that’s been widely criticized by astronomers
Free consulting
We were asked about picking a VPN for use with an IP that doesn’t change very often.
See our contact page for ways to get in touch.
2.5 Admins 308: Sloppy Shims
Microsoft really wants your Windows settings data, secure boot has been useless for a decade, our thoughts on (the idea of) Incus and IncusOS, and configuring ZFS for a Lightning Memory Mapped Database. Plugs …
Shownotes
Microsoft really wants your Windows settings data, secure boot has been useless for a decade, our thoughts on (the idea of) Incus and IncusOS, and configuring ZFS for a Lightning Memory Mapped Database.
Plugs
Support us on patreon and get an ad-free RSS feed with some early episodes
Jails, Not Containers: FreeBSD Isolation Done Right
News/discussion
Microsoft flips Windows Backup to on by default unless you’re in the EU
Microsoft’s Secure Boot has been broken for a decade and no one noticed until now
Free consulting
We were asked about configuring ZFS for a Lightning Memory Mapped Database.
See our contact page for ways to get in touch.
2.5 Admins 307: One Big Pool
Follow-up on rebooting to update, portable power stations, glass storage, and objective news sources. Plus whether to use one ZFS pool per vdev, or just one large pool. Plugs Support us on patreon and get an …
Shownotes
Follow-up on rebooting to update, portable power stations, glass storage, and objective news sources. Plus whether to use one ZFS pool per vdev, or just one large pool.
Plugs
Support us on patreon and get an ad-free RSS feed with some early episodes
Feedback
Anker SOLIX EV Charger Adapter (For F3000, J1722 only)
EcoFlow EV Charger to Portable Power Station Adaptor (SAE J1772 to 5P8 Port, 50A)
WattCycle First-to-Market: WattLINK – EcoFlow Delta 2/3 Series PPS E
Free consulting
We were asked about whether to use one ZFS pool per vdev, or just one large pool.
See our contact page for ways to get in touch.
2.5 Admins 306: WiFi Cable
Why setting up commercial email and VPN services is incredibly hard, avoiding TrueNAS’s move from FreeBSD to Linux, why we avoid virtualising storage systems, and bridging WiFi to an external building. Plugs …
Shownotes
Why setting up commercial email and VPN services is incredibly hard, avoiding TrueNAS’s move from FreeBSD to Linux, why we avoid virtualising storage systems, and bridging WiFi to an external building.
Plugs
Support us on patreon and get an ad-free RSS feed with some early episodes
Using Object Storage with OpenZFS and SeaweedFS
Discussion
Jeff Moss explains why setting up private email and VPN services are so difficult
Feedback
Free consulting
We were asked about bridging WiFi to an external building.
Point-to-point Wi-Fi bridging between buildings—the cheap and easy way
See our contact page for ways to get in touch.
2.5 Admins 305: Short Two
The one tool in our IT tool belt that we value the most. This is a short episode because Joe is having a summer break. See our contact page for ways to get in touch.
2.5 Admins 304: Wiring a House
Wiring up a house for networking including cables, access points, connectors, and racks. Plus Google is found liable for what its AI overviews say. Plugs Support us on patreon and get an ad-free RSS feed with …
Shownotes
Wiring up a house for networking including cables, access points, connectors, and racks. Plus Google is found liable for what its AI overviews say.
Plugs
Support us on patreon and get an ad-free RSS feed with some early episodes
Managing Cache and DirectIO for Databases on ZFS
Webinar: June 30th @ 11am EDT: FreeBSD After Hours AMA
News/discussion
Free consulting
We were asked about wiring up a house for access points etc.
Jim’s guide to Wi-Fi AP placement
Monoprice 24-port Cat5e Patch Panel
See our contact page for ways to get in touch.
2.5 Admins 303: Denial of Secrets
People were locked out of their password managers to stop a brute force attack, Coreutils come to Windows, a FreeBSD PR effort backfires, and the best simple consumer WiFi gear. Plugs Support us on patreon and …
Shownotes
People were locked out of their password managers to stop a brute force attack, Coreutils come to Windows, a FreeBSD PR effort backfires, and the best simple consumer WiFi gear.
Plugs
Support us on patreon and get an ad-free RSS feed with some early episodes
Why ZFS Is the Ideal Filesystem for Multi-User/Department Media Production
Webinar: June 30th @ 11am EDT: FreeBSD After Hours AMA
News/discussion
Password manager Dashlane suspends customer accounts amid brute-force attacks
Microsoft Announces Coreutils For Windows: Derived From Rust Coreutils
FreeBSD Foundation Executive Director Tries Daily Driving FreeBSD On Laptop
Free consulting
We were asked about the best simple consumer WiFi gear.
See our contact page for ways to get in touch.
2.5 Admins 302: ClawPilot
Microsoft threatens a security researcher for disclosing vulnerabilities publicly, bricks old versions of Office, and announces their version of OpenClaw. Plus keeping up with the latest technology. Plugs …
Shownotes
Microsoft threatens a security researcher for disclosing vulnerabilities publicly, bricks old versions of Office, and announces their version of OpenClaw. Plus keeping up with the latest technology.
Plugs
Support us on patreon and get an ad-free RSS feed with some early episodes
Which ZFS Storage Metrics Matter for Database Performance
Webinar: June 25th @ 11am EDT: Understanding AnyRAID with Jon from HexOS
News/discussion
Microsoft under fire for threatening security researcher with criminal investigation
The researcher is a former MS employee says Krebs
Microsoft reaches for olive branch after public dustup with 0-day researcher
Microsoft is intentionally bricking all Office for Mac 2019/2021 installations
Introducing Microsoft Scout: Your always-on personal agent
Free consulting
We were asked about keeping up with the latest technology.
See our contact page for ways to get in touch.
2.5 Admins 301: F(OSS) Consulting
It looks like Bitlocker had a back door in it, how a listener accidentally broke Gitea for users of the snap version, Google accidentally published an unpatched exploit for Chromium-based browsers, why people …
Shownotes
It looks like Bitlocker had a back door in it, how a listener accidentally broke Gitea for users of the snap version, Google accidentally published an unpatched exploit for Chromium-based browsers, why people are starting to ditch Bitwarden, and moving a tech stack away from large corporations.
Plugs
Support us on patreon and get an ad-free RSS feed with some early episodes
How Klara and TrueNAS fixed ZFS’s longest standing limitation
Webinar: June 25th @ 11am EDT: Understanding AnyRAID with Jon from HexOS
News/discussion
YellowKey Bitlocker Bypass Vulnerability
Microsoft shares mitigation for YellowKey Windows zero-day
How I Broke Gitea for Everyone
Google publishes exploit code threatening millions of Chromium users
The Quiet Renovation at Bitwarden
Free consulting
We were asked about moving a tech stack away from large corporations.
See our contact page for ways to get in touch.
2.5 Admins 300: IPvWot?
Why a proposal for an alternative to IPv6 is unlikely to be viable, Microsoft really doesn’t want you to run Exchange Server on-prem, Google will finally stop being a proper search engine, setting up an email …
Shownotes
Why a proposal for an alternative to IPv6 is unlikely to be viable, Microsoft really doesn’t want you to run Exchange Server on-prem, Google will finally stop being a proper search engine, setting up an email server for internal use, and mitigating DDoS attacks without Cloudflare.
Plugs
Support us on patreon and get an ad-free RSS feed with some early episodes
Webinar: May 27th at 11am EDT: Database Performance on ZFS with Tom Lawrence
News/discussion
Veteran network architect proposes IPv8 – to improve IPv4, not leapfrog v6
Exchange Server zero-day vulnerability can be triggered by opening a malicious email
Google Search as you know it is over
Free consulting
We were asked about setting up an email server for internal use, and mitigating DDoS attacks without Cloudflare.
See our contact page for ways to get in touch.
2.5 Admins 299: RMAggravation
People trying to return defective hard drives and RAM are finding out why consumer protection laws would be good, GoDaddy accidentally gave someone’s domain name away, and when and how to fix ZFS fragmentation …
Shownotes
People trying to return defective hard drives and RAM are finding out why consumer protection laws would be good, GoDaddy accidentally gave someone’s domain name away, and when and how to fix ZFS fragmentation.
Plugs
Support us on patreon and get an ad-free RSS feed with some early episodes
Fast Dedup Economics: When Deduplication Beats Buying New Disks
News/discussion
GoDaddy Gave a Domain to a Stranger Without Any Documentation
Free consulting
We were asked about when and how to fix ZFS fragmentation.
See our contact page for ways to get in touch.
2.5 Admins 298: Windows Postdate
Microsoft is encouraging employees with the most experience to leave the company and letting users pause Windows updates forever, some of the best features you’ll get in the version of ZFS that ships with the …
Shownotes
Microsoft is encouraging employees with the most experience to leave the company and letting users pause Windows updates forever, some of the best features you’ll get in the version of ZFS that ships with the new Ubuntu LTS, and backing up data from cloud services.
Plugs
Support us on patreon and get an ad-free RSS feed with some early episodes
Extending ZFS Performance Without Hardware Upgrades
News/discussion
Your Windows update experience just got updated
Free consulting
We were asked about backing up data from cloud services.
See our contact page for ways to get in touch.
2.5 Admins 297: Jraphics
Hitting the limit for hard links, a parent struggles to get back into their teen’s compromised Discord account, the demise of tower PCs and general purpose computing in general, and changing the properties of …
Shownotes
Hitting the limit for hard links, a parent struggles to get back into their teen’s compromised Discord account, the demise of tower PCs and general purpose computing in general, and changing the properties of existing ZFS pools.
Plugs
Support us on patreon and get an ad-free RSS feed with some early episodes
Compensating for RAM Constraints with L2ARC on ZFS
News/discussion
How Jennifer Aniston and Friends Cost Us 377GB and Broke ext4 Hardlinks
Dad stuck in support nightmare after teen lied about age on Discord
Apple’s last tower topples… and the others will follow
Free consulting
We were asked about changing the properties of existing ZFS pools.
See our contact page for ways to get in touch.
2.5 Admins 296: Beware of the Leopard
Microsoft locks devs out of important accounts, the foreign router ban exemptions make even less sense, Backblaze shows that “unlimited” never means that, and attempting to avoid software that’s written with …
Shownotes
Microsoft locks devs out of important accounts, the foreign router ban exemptions make even less sense, Backblaze shows that “unlimited” never means that, and attempting to avoid software that’s written with AI.
Plugs
Support us on patreon and get an ad-free RSS feed with some early episodes
Do More with Less: Cost-Efficient Storage on the New TrueNAS with Enhanced Fast Dedup
The Hidden Value of CPU-Intensive Compression on Modern Hardware
News/discussion
Microsoft locks out VeraCrypt and WireGuard devs, blames verification process
Action Required: Account Verification for Windows Hardware Program Begins October 16, 2025
FCC exempts Netgear from ban on foreign routers, doesn’t explain why
Backblaze has quietly stopped backing up your data
Free consulting
We were asked about avoiding software that’s written with AI.
See our contact page for ways to get in touch.
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