659: Truth Trapper Keepers
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In this episode of Linux Unplugged, the hosts dive into two major projects that solve real-world frustrations: calendar chaos and unreliable Airbnb tech. Chris shares his journey to becoming a 'Time Lord' by adopting Keeper.sh, a self-hosted open-source calendar sync tool that consolidates multiple calendars into a single source of truth. The app, now in version 2.0, supports iCal/ICS imports and publishes to major cloud calendars, with a flexible self-hosting setup that includes Nix, Podman, and Docker alternatives. The team then shifts focus to a retrofitted Raspberry Pi CM4-based device called the PiBox CubeSail, discovered in their studio archive. Though the original company shut down in 2025, they open-sourced their hardware and software, enabling the hosts to repurpose the device as a portable media server and Wi-Fi extender. They plan to run Jellyfin, Samba, and a Wayland kiosk mode via Cage to stream Star Trek instantly upon arrival at an Airbnb, while also integrating it into a Nebula network for secure, decentralized connectivity. The episode closes with a deep dive into the growing legal pressure for OS-level age verification, particularly through a proposed systemd birthdate field, prompting a community debate on whether distributions should comply or resist. The hosts also invite listener input on kiosk solutions, van rescues, and tools like FQ and File Fridge.
Use Keeper.sh to unify multiple calendars into a single source of truth with self-hosted sync and optional AI agent access.
Repurpose old hardware like the PiBox CubeSail as a portable media server with Jellyfin, Samba, and kiosk mode via Cage.
Implement a Nebula-based private network to securely extend Wi-Fi and manage devices across travel locations.
Consider the ethical and technical implications of OS-level age verification, especially via systemd’s proposed birthdate field.
Explore tools like FQ for multi-format file inspection and File Fridge for automated cold storage management.
…and 1 more takeaway available in PodZeus
Welcome & Sponsor: Defined Networking
The hosts kick off the episode with greetings to the audience and a sponsor spotlight on Defined Networking’s Managed Nebula, a decentralized, self-hosted VPN solution built on open-source Nebula. They praise its long-term reliability and operational control compared to enterprise-driven alternatives.
Becoming a Time Lord with Keeper.sh
“It's so much a game changer when it comes to just planning and looking at availability.”
Reviving the PiBox CubeSail: A Portable Media Server
“We want this to be a casual low-friction thing or like if my wife's with us, it's easier for her.”
Building the Kiosk & Network Stack
“It's like the exact thing that we need to solve this problem.”
The Age Verification Debate: SystemD & the OS-Level Gate
“We are very quickly as a community finding ourselves between an awful rock and an awful hard spot.”
“We are very quickly as a community finding ourselves between an awful rock and an awful hard spot.”
“It's so much a game changer when it comes to just planning and looking at availability.”
“It's like the exact thing that we need to solve this problem.”
Hosts
Chris
person
Brent
person
Wes
person
Keeper.sh
product
PiBox CubeSail
other
Jellyfin
product
Defined Networking
organization
systemd
product
Raspberry Pi CM4
other
Nebula
product
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