
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 week we get together, talk about recent tech news, and answer some of your admin-related questions.
Latest episodes

Jun 12, 2025 • 32min
2.5 Admins 251: OversharePoint
SharePoint is exploitable by Microsoft’s AI, NIST proposes a new metric for exploited vulnerabilities, SBCs that look cool for a mini NAS and a router, and setting up a first NAS with 4 disks.
Plugs
Support us on patreon and get an ad-free RSS feed with early episodes sometimes
The Maintainer’s Dilemma: Strategies for Supporting Legacy Drivers Across Decades of Hardware Evolution
News/discussion
Exploiting Copilot AI for SharePoint
NIST proposes new metric to gauge exploited vulnerabilities
ODROID-H4 PLUS
ODROID-H4 ULTRA
H4 Mini-ITX Kit
Banana Pi BPI-R4 Pro is a versatile router board with WiFi 7, 10 Gb and 2.5 Gb LAN, and multiple M.2 connectors
Free consulting
We were asked about setting up a first NAS with 4 disks.
See our contact page for ways to get in touch.

Jun 5, 2025 • 32min
2.5 Admins 250: Better RAIDz?
The hosts discuss Google's bold move to distrust certain certificate authorities, raising eyebrows about security and transparency. Meta faces backlash for its mobile tracking practices, revealing deep privacy concerns. They introduce the innovative ZFS AnyRaid feature, designed for better disk management. The episode also compares TP-Link and UniFi networking solutions, sharing personal experiences on performance and reliability. It's a tech-heavy conversation filled with insights into firmware security and modern storage strategies.

May 29, 2025 • 29min
2.5 Admins 249: Octopodian Nightmare
Locating people with just a phone call, Google forces a change to Let’s Encrypt certificates, yet another example of a “lifetime” subscription being cut short, connecting drives to a small form factor machine, and managing ssh keys with LDAP.
Plugs
Support us on patreon and get an ad-free RSS feed with early episodes sometimes
What We’ve Learned Supporting FreeBSD in Production (So You Don’t Have To)
News
O2 VoLTE: locating any customer with a phone call
Ending TLS Client Authentication Certificate Support in 2026 – Let’s Encrypt
VPN firm says it didn’t know customers had lifetime subscriptions, cancels them
Free consulting
We were asked about connecting drives to a small form factor machine, and managing ssh keys with LDAP.
SAS Expanders, Build Your Own JBOD DAS Enclosure and Save – Iteration 1
See our contact page for ways to get in touch.

May 22, 2025 • 31min
2.5 Admins 248: NASty Pi
TrueNAS drops FreeBSD but there’s a community fork, the elusive ZFS send bug that affected encrypted datasets is finally identified and fixed, why the Raspberry Pi doesn’t make a great NAS, and when to use the zpool checkpoint feature.
Plugs
Support us on patreon and get an ad-free RSS feed with early episodes sometimes
Maintaining FreeBSD in a Commercial Product – Why Upstream Contributions Matter
News/discussion
TrueNAS 25.04 drops FreeBSD: “Fangtooth” only with GNU/Linux base
FreeBSD fans rally round zVault upstart
ZFS raw-send corruption bug fixed
5 things I regret about using my Raspberry Pi as a NAS
Free consulting
We were asked about the zpool checkpoint feature.
See our contact page for ways to get in touch.

8 snips
May 15, 2025 • 34min
2.5 Admins 247: MPOF
Dive into the unsolvable problems in computer science that continue to puzzle experts. Discover why trusting AI for tuning ZFS can lead to dangerous pitfalls. Learn about real-life anecdotes illustrating the challenges in systems administration, especially with cache invalidation. Explore creative and innovative check-in systems for friends that respect privacy and security. The discussion emphasizes the need for human expertise in navigating complex tech situations, cautioning against over-reliance on AI.

6 snips
May 8, 2025 • 30min
2.5 Admins 246: Perpetual Hotpatch
Old passwords can still access Windows RDP, raising security concerns despite password revocation. Broadcom's cease-and-desist letters against VMware users reveal the truth behind perpetual software licenses. Microsoft is pushing a subscription model for Windows Server 2025, questioning the concept of software ownership. Strategies for safeguarding archived files involve ZFS's read-only datasets and immutable flags, offering a balance between data accessibility and protection.

May 1, 2025 • 30min
2.5 Admins 245: IPaaS
The vulnerabilities of public infrastructure take center stage, with a humorous take on hacked crosswalks. Insight into Google’s struggles with data storage reveals the tensions between speed and cost. The dangers of third-party services proxying personal IPs raise ethical concerns, while listeners get advice on creating a ZFS mirror. The conversation dives into the risks of software downloads from unreliable sources, emphasizing malware threats and critiquing misleading ads in the tech space.

Apr 24, 2025 • 31min
2.5 Admins 244: Branded and Splintered
A recent decision by Synology restricts high-end NAS products to branded drives, sparking frustration over vendor lock-in and its financial implications. The podcast also discusses the growing complications in the CVE program and its vulnerabilities in the cybersecurity landscape. Navigating FreeBSD updates presents challenges with package availability, while effective strategies for managing encrypted backups, including key storage and credential vaults, highlight the balance between security and accessibility. Join the hosts as they share insights and personal stories on these pressing tech issues.

Apr 17, 2025 • 33min
2.5 Admins 243: 0.5 Centuries
IPv4 addresses are worth an awful lot of money, the serious dangers of a seemingly sensible deepfake law, Microsoft is 50 years old, and our thoughts on antivirus on Linux and Windows.
Plugs
Support us on patreon and get an ad-free RSS feed with early episodes sometimes
Accurate and Effective Storage Benchmarking
News
Your IPv4 stash can now be collateral for $100M loans
Congress close to passing deepfake law—Trump said he wants to use it himself
Microsoft is now 50 years old
Free consulting
We were asked about antivirus on Linux and Windows.
See our contact page for ways to get in touch.

Apr 10, 2025 • 34min
2.5 Admins 242: Malscraping
Jim’s server is getting hammered by AI scrapers and he’s big mad about it, why RCS doesn’t work on Android without Google apps, a complex Google account issue, and how Jim and Allan handle their WireGuard configs.
Plugs
Support us on patreon and get an ad-free RSS feed with early episodes sometimes
Network Offload and Socket Splicing (SO_SPLICE) in FreeBSD
News
Jim hit by AI scrapers
Open source devs say AI crawlers dominate traffic, forcing blocks on entire countries
AI bots strain Wikimedia as bandwidth surges 50%
80% of Web Traffic Is Bots — The Hidden Cost of AI Scraping
Threat Spotlight: The good, the bad, and the ‘gray bots’ – the Gen AI scraper bots targeting your web apps
An AI Scraping Tool Is Overwhelming Websites With Traffic
Free consulting
We were asked about RCS on AOSP, a complex Google account issue, and how Jim and Allan handle their WireGuard configs.
wg-admin
See our contact page for ways to get in touch.