this post was submitted on 06 Aug 2025
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Your favourite piece of selfhosting - Part 1 - Operating System (sopuli.xyz)
submitted 10 months ago by theorangeninja@sopuli.xyz to c/selfhosted@lemmy.world
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Hello everyone,

I am about to renovate my selfhosting setup (software wise). And then thought about how I could help my favourite lemmy community become more active. Since I am still learning many things and am far away from being a sysadmin I don't (just) want tell my point of view but thought about a series of posts:

Your favourite piece of selfhosting

I thought about asking everyone of you for your favourite piece of software for a specific use case. But we have to start at the bottom:

Operating systems and/or type 1 hypervisors

You don't have to be an expert or a professional. You don't even have to be using it. Tell us about your thoughts about one piece of software. Why would you want to try it out? Did you try it out already? What worked great? What didn't? Where are you stuck right now? What are your next steps? Why do you think it is the best tool for this job? Is it aimed at beginners or veterans?

I am eager to hear about your thoughts and stories in the comments!

And please also give me feedback to this idea in general.

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[–] one_knight_scripting@lemmy.world 6 points 10 months ago

Hypervisor Gotta say, I personally like a rather niche product. I love Apache Cloudstack.

Apache Cloudstack is actually meant for companies providing VMs and K8S clusters to other companies. However, I've set it up for myself in my lab accessible only over VPN.

What I like best about it is that it is meant to be deployed via Terraform and cloud init. Since I'm actively pushing myself into that area and seeking a role in DevOps, it fits me quite well.

Standing up a K8S cluster on it is incredibly easy. Basically it is all done with cloud init, though that process is quite automated. In fact, it took me 15m to stand up a 25 node cluster with 5 control nodes and 20 worker nodes.

Let's compare it to other hypervisors though. Well, Cloudstack is meant to handle global operations. Typically, Cloudstack is split into regions, then into zones, then into pods, then into clusters, and finally into hosts. Let's just say that it gets very very large if you need it to. Only it's free. Basically, if you have your own hardware, it is more similar to Azure or AWS, then to VMWare. And none of that even costs any licensing.

Technically speaking, Cloudstack Management is capable of handling a number of different hypervisors if you would like it to. I believe that includes VMWare, KVM, Hyperv, Ovm, lxc, and XenServer. I think it is interesting because even if you choose to use another hypervisor that you prefer, it will still work. This is mostly meant as a transition to KVM, but should still work though I haven't tested it.

I have however tested it with Ceph for storage and it does work. Perhaps doing that is slightly more annoying than with proxmox. But you can actually create a number of different types of storage if you wanted to take the cloud provider route, HDD vs SSD.

Overall, I like it because it works well for IaaS. I have 2000 vlans primed for use with its virtual networking. I have 1 host currently joined, but a second host in line for setup.

Here is the article I used to get it initially setup, though I will admit that I personally used a different vlan for the management ip and the public ip vlan. http://rohityadav.cloud/blog/cloudstack-kvm/