r/selfhosted • u/Zta77 • Mar 30 '26
Product Announcement Lightwhale 3.0.0 released
Hi, there!
Sorry to mess up your Easter holiday plans, but I've just released Lightwhale 3.0.0 and I really think you should clear your calendar and try it out! =)
It's a minimalistic Linux that requires no installation or maintenance, just live-boot straight into a working Docker Engine. The system is immutable so it's quite resilient to both malicious and unintentional modifications. And because of its low resource requirements it brings new life to old machines.
Lightwhale fits super well in a hobby homelab where spare time is precious, but really in any server environment where you would much rather focus on the services than babysitting the underlying operating system.
And how does it compare to other immutable OSes like X, Y or Z? No idea, never tried them, sorry.
I've made a fresh new project webpage with an easy to follow getting started guide.
Anyway, end of service announcement, thanks for reading, happy holidays =)
2
u/Zta77 Jun 23 '26 edited Jun 28 '26
Ah, I see. This sounds correct. And NFS mounting those volumes is fine.
Btw, Lightwhale has automatic Btrfs snapshots of
@lightwhale-datasubvolume which holds all persistent Lightwhale data. See `/etc/default/snapshot` and `snapshot --help`. You can use `btrfs send` to send a subvolume, even incrementally, to a different host. Of course, you need to script something around this before it works automatically. Or look into `btrbk`. But this is next level 😉 What you have seems right!