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#omnios

13 posts10 participants1 post today
zolaris

Here you can find the secret knowledge to set up automatic root login on the ttyS0 console in a systemd based linux machine (like your HVM linux instance running in a #Bhyve #OmniOS #Illumos zone):

medium.com/@jobinjohn819/setti

The HVM console accessible only to root, therefore this should be secure enough in homelabbin environment, but correct me if I am wrong.

Medium · Setting up autologin on Virtual Serial Console in systemd-based linux systemsSo, you have successfully spun up a new VM using KVM and when you try to connect it from the parent using virsh console, it does not work…
Continued thread
Marce Coll

After some learning with zones and the crossbow virtualized networking system I now have successfully migrated katarineko.com into my #omnios system!

It's currently not hosting the main site yet while I try that everything works correctly, the #illumos deployment is in beta.katarineko.com.

The stack is #elixir (with some #rust NIFs, using #phoenix and #ash), #postgres and #rabbitmq

It was all quite painless except for a couple of libraries I had to write patches for.

katarineko.comLearn Japanese You Want to Understand - KatariNekoBridge the gap between knowing Japanese words and understanding real content. Personalized stories, adaptive learning, and spaced repetition.
Marce Coll

In the spirit of the recent #illumoscafe inaguration I'll share this guide from my recent #omnios setup.

I rented a very beefy (256GB ECC RAM 32/64 core AMD EPYC CPU) to build the infra for my personal projects on #illumos on #hetzner

The install was fairly painless although a bit involved, to anyone trying the same, here is a small guide:

+ Open a rescue image and take a note of the IP + netmask + gateway
+ Ask for a KVM through the support tab.
+ Attach #omnios ISO to the KVM and reboot the system
+ Enter boot menu (in the case of my server it was with DEL) and boot from the virtual cd drive.
+ Install as normal, it's fairly straightforward
+ At the end configure the system and set the networking configuration you wrote at the start. Remember to enable SSH daemon!
+ Reboot and go into boot menu again, change the boot order to boot from one of your disks.
+ This may not be needed under some cases, in my case the intel boot manager didn't recognize the illumos bootloader so I had to do this.
+ This will break some things, since Intel boot manager is the one that starts the rescue image, be aware that for future rescue operations you'll need to ask for a KVM (first three hours are free)
+ IMPORTANT, because this tripped me and it took me a bit too much time to find out. OmniOS disables VGA output by default, so while you are attached to with the KVM you'll see the output freeze, in my case it continued booting but without any VGA output. Wait a bit and try to SSH into it after a while.
+ You now have OmniOS in a beefy and cheap server from hetzner auction!

Hope this was useful!

Marce Coll

#illumos #omnios is absolutely incredible. The system is very well designed IMO, I had already experienced the more cohesively designed #BSD but here it feels a bit *more* (although quite similar in some aspects to #freebsd of course).

Linux feels like a duct-taped amalgamation of random ideas, don't get me wrong I love Linux and all it represents, but it's a system that has been grown in any direction.

With Illumos instead it feels like you have orthogonal powerful building blocks you can compose into something greater than the sum of its parts. #zfs #dtrace #zones #crossbow it all works together beautifully, both on their own and together.

After seeing how virtualized networking can be done in solaris, the docker networking stack feels so sad in comparison.

So far I'm very impressed.

Replied to Stefano Marinelli
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Jaap de Vos

@stefano @upcloud Thanks for dropping this hint. I was able to install OpenIndiana in an Upcloud VPS using these instructions: upcloud.com/docs/guides/using-

Based on this, and your SmartOS experience, I'm assuming OmniOS will be similar smooth sailing at Upcloud. I've so far tried and failed with OmniOS at Hetzner, Vultr and Digital Ocean, so I'm very happy with the Upcloud tip and the experience so far.

I've never seen OpenIndiana before but I did play around with an OmniOS VM for a few hours at home a couple of weeks ago. With that experience I was able to configure SSH for pubkey only and restrict access to port 22 to only my home IP using ipfilter.

Next up: no idea, I totally don't know what I'm doing. I was curious to see if OpenIndiana could serve as a jump host similar to my openbsd.amsterdam VPS.

upcloud.comUsing your own installation media
#illumos#omnios#openindiana
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PLA_906114

I learned two things about illumos. I still have not seen it yet, but I know it's a wonderful operating system

The installation procedure wants a dd of the ISO / USB image for which you need to use a whole USB device temporarily

I know that after my experiments with the wonderful Ventoy ISO manager, which none of the installation procedures of the illumos distributions I tried, seem to like.

I haven't got the skills ATM, otherwise I would have looked in both the Ventoy source code and the iso images build code of the distributions to see where the problem lies and then I would patch it.

I've bought a USB stick, a small one, only days ago which is already in use and cannot be freed up.

When I can buy another USB stick I'll use it first to install illumos before I shall use it for its assigned task.

Thank you for reading

^Z

#OmniOS#OpenSource#illumos
Michael Dexter

The recording of the August 21st, 2025 #bhyve Production User Call is up:

youtu.be/ULVeRFK6KXg

We discussed an #OmniOS virtue-console hot fix, virtio-net, if_tap and if_tun improvements, Intel ARC GPU Pass-Through the EDK2 update under review, virtio-fs, new Sylve features with a deep-dive into Windows VM network performance, CPU topologies, and more!

"Don't forget to slam those Like and Subscribe buttons."

YouTube2025-08-21 bhyve Production User CallBy Call For Testing
Replied in thread
PLA_906114

@ptribble

You are close. It turns out that the installer was telling me that my USB stick was going bad.

The error message in retrospect, was discriptive enough.

When I did a file system check on the stick a lot of errors occurred, media errors. The stick locked itself read only.

I'm now working on the fix. 256GB SSD Of mine of which I've made a backup.

Ventoy has just been installed on the SSD. When I have restored the data on the partitions, I will copy the ISO files which were on the USB stick on this SSD.

When that has been finished I shall commence with the installation of the different Operating Systems I'm test driving including two amazing distributions of illumos

#OmniOS#OpenSource#illumos
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