2.5 Admins

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

Email is broken



Feedback

44Net

44Net Connect

broadband-hamnet.org

Why I Built Project NOMAD



Free consulting

Jellyfin Full Automation Guide (2026): Radarr, Sonarr, Bazarr, Jellyseerr From Request to Stream















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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.



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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















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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

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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

















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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.



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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

Freeze the Controller, Defrost the Food: Uncovering Vulnerabilities in Danfoss Refrigeration Controllers

Owners mourn spoiled food after firmware update bricks Samsung smart fridges



Free consulting

Example coax cable tester













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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.