316 episodes
- 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.
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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
I noticed today that an update to the #Linux #Zoom client has made it start proactively reading _everything_ written to the X11 clipboard
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. - 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.
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ZFS vs Ceph: Choosing the Right Storage Architecture
News/discussion
Peer-reviewed study of 443,000 Backblaze hard drives ranks HGST most reliable and Toshiba the least — Analysis of 1.66 million drive-years finds Seagate and Toshiba HDDs fail at roughly twice the rate of WD and HGST
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. - 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
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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. - 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
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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. - 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
Piss up at The Shipwrights Arms (just next to London Bridge station) on Saturday 5th September from 5pm until late
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.
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About 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.
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