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How do you create the most minimal but useful Proxmox installation?
I want to install Proxmox on 4GB RAM systems with 10Gb boot disk and 100Gb main disk.
How much disk space does Proxmox require to do its virtualization thing, as opposed to what the VMs, ISOs and templates require themselves?
Can I install the main PVE on the 10Gb storage then use the 100Gb storage for the VMs themselves etc?
Comments
https://www.proxmox.com/en/proxmox-virtual-environment/requirements
https://pve.proxmox.com/wiki/System_Requirements
Yes, like any other OS. you install it on the 10 GB boot disk and then you setup the secondary Disk as your VM storage after the install
Yes, you can
https://www.proxmox.com/en/proxmox-virtual-environment/requirements
10GB should be sufficient for Proxmox, and they recommend an additional 2GB of memory.
Is there any more information on this?
When you install Proxmox takes over the whole disk and tries to partition it. I am referring to the condition of installing Proxmox in an existing system, then making more partitions available to it after the installation, like saying.
I'm referring to something along the lines of the way VirtualBox is installed. In my case I want to install a minimal XFCE system with some adminIstrative tools like GParted then install Proxmox on that.
I don't mind Proxmox limiting what I install, by pinning the packages it requires at a higher priority.
Then afterwards I can make more storage available to it and even give it exclusive access to some of the partitions.
I can only think of installing Proxmox on top of a fresh Debian install: https://pve.proxmox.com/wiki/Install_Proxmox_VE_on_Debian_12_Bookworm , this way you can fully customize your layout on a boot partition and then setup the secondary partition as your VM/ISO storage.
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This is by far the weirdest necro I have ever seen.
Unless you particularly want to use Proxmox (maybe useful for web based configuration), and if you're happy using the command line (which I guess you might be if you want to use the system for other things), then maybe just read up on how to use libvirt / QEMU directly.
Then it's just a simple
apt-getto install the necessary stuff, and about 5 commands to create a new VM. I've ended up with a much more complicated hand-rolled thing so I can automate it how I like, but I like it more because I understand fully how it works.The downside is each time you want to do something slightly different, e.g. PCI passthrough, you have to go off to learn how to do that rather than just choosing it from a drop down. I enjoy that kind of learning though.
But going back to proxmox, really although it comes as a distribution in its own right, under the scenes it's just Debian with their own repo added. You can also add that to a regular Debian install and just apt-get the proxmox onto your system and have it coexisting with your existing setup. I've not tried that myself though.