MOmonkaiju·Mar 9, 2026
I ran TrueNAS for years but now that I've discovered immutable OSes, and uCore specifically, I'm never going back!
Sauce: https://github.com/ublue-os/ucore
In My Homelab Setupublue-os
ucore
Shell2023–2026
ublue-os / ucore
ucore
An OCI base image of Fedora CoreOS with batteries included
3Distinct people
5Mentions
0Explicit recommenders
706GitHub stars
What to know before exploring
What it is
An OCI base image of Fedora CoreOS with batteries included
GitHub
Where it is used
No documented product use has been verified yet.
What people are saying
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Also in these discussions
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This week on Hacker News
Nov 7–Nov 14 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/14/2026, 5:04:57 PM UTC.
No direct repository links were found in the indexed HN discussions over the past seven days. Older discussions are available below.
Mentions over time
HN mentions by year5 dated mentions
Observed mentions: 2023-03-31 16:30:57 UTC to 2026-03-09 16:38:10 UTC.
* An incomplete calendar period is marked with an outlined bar. Its count is not directly comparable with a full period.
Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.
View mention counts and date ranges
| Period | Start (UTC) | End (exclusive, UTC) | Mentions | Submissions | Comments |
|---|---|---|---|---|---|
| 2023 | 2023-01-01 00:00:00 UTC | 2024-01-01 00:00:00 UTC | 1 | 0 | 1 |
| 2024 | 2024-01-01 00:00:00 UTC | 2025-01-01 00:00:00 UTC | 2 | 1 | 1 |
| 2025 | 2025-01-01 00:00:00 UTC | 2026-01-01 00:00:00 UTC | 0 | 0 | 0 |
| 2026 (partial) | 2026-01-01 00:00:00 UTC | 2027-01-01 00:00:00 UTC | 2 | 0 | 2 |
What Hacker News says
5 sourcesI was originally blown away by Bazzite, which I run on my Legion Go, but then I discovered uCore (https://github.com/ublue-os/ucore) and haven't looked back! Running it on my homelab and multiple servers at work, its a wonderful server OS.
In I dumped Windows 11 for Linux, and you should tooAn OCI base image of Fedora CoreOS with batteries included
2 points · Open discussionuCore does this if you wanna check it out: https://github.com/ublue-os/ucore
In Show HN: Convert your Containerfile to a bootable OSFlatcar uses 2 partitions, A and B, you boot into one and then updates update the one that you're not booted into, when you reboot it it boots into the updated one. It's like Android: https://source.android.com/docs/core/ota/ab
I maintain an awesome-list of immutable resources with a collection of talks and presentations from the people making the stuff. They do a better job explaining it than I can in an hn comment: https://github.com/castrojo/awesome-immutable
However the list is currently focused on desktop stuff since this is a fairly common pattern in cloud already, I should probably write it up.
Semi-related, a few of us have started a community around composable OCI fedora images, and one of our images is intended to be used as a home server built on CoreOS with ZFS, cockpit, and all the goodies you'd need. It's still fresh and we'
Read the rest
re looking for help if anyone's interested: https://github.com/ublue-os/ucore (Disclaimer: I helped start this project)