What about the old PC: Proxmox and virtualization professionally and at home

Are you one of those people who likes to try new things and learn new ones? Many of this group certainly have a home computer with enough memory for which they currently have no interesting use but do not want to sell it. Let’s look at one interesting use.

Please note that the product described here is not suitable for complete beginners. I recommend at least a basic knowledge of working with the command line and some proficiency in finding more information.

I belong to the people who have an older computer at home with a relatively larger disk and, due to their age, also with an unusually large memory capacity. Sales in this configuration were relatively unprofitable even a few years ago. It’s not a gaming computer, but it has too much memory for an office computer, which doesn’t translate into the price. Specifically, it is a configuration of Core i3 2105 with 16 GB RAM and integrated graphics. I don’t have a monitor for that and I already have the server solved differently and more economically in terms of electricity consumption. So this possibility also fell.

For experiments with virtual PCs

I was looking for an interesting use for it. I’m a person who likes to try new things, so he always welcomes space to run virtual machines. So I looked around a bit. I rejected VSphere in the free version. No network card was detected during installation, but this was to be expected. Another possibility that came to my mind was Linux in the server installation, configure KVM and control remotely using Libvirt. This didn’t sound the worst anymore. However, the control could be more flexible. So put in backup for now. I finally discovered Proxmox. It is a Debian-based virtualization solution with a web-based operational control interface. It uses KVM and LXC containers as virtualization technology. This sounded interesting to the test platform.

And what is really interesting about it? There is Linux on the chassis, which has extensive hardware support. So it can be installed almost anywhere there is enough memory. In addition, it is free with only minor restrictions on the support side.

In connection with the necessary upgrade to version 7.1 from version 6, I will share with you the installation and configuration basics. The upgrade was performed by backing up virtual machines and a clean reinstall.

Installation

Installation is as simple as possible. We’ll first download Proxmox from his homepage. The current version is Debian bullseye based. The version number is 7.1.

What about the old PC: Proxmox and virtualization professionally and at home

We will burn the downloaded ISOs to a DVD or make a bootable USB flash drive. On the start screen, select Install Proxmox. We will also need to approve the license. Then we proceed to select the installation disk. We select the entire disk or array of disks. Software RAID can also be set up.

The next step is to select the location and time zone. Unfortunately, Czech is not here.

What about the old PC: Proxmox and virtualization professionally and at home

We will also be asked to set a password and email for ROOT users. We are slowly coming to an end. The next screen asks us to set the network interface. Definitely set here manually. You do not have to accept the pre-filled installer option.

What about the old PC: Proxmox and virtualization professionally and at home

The next step is only to display the settings summary and request confirmation. After clicking, the installation itself is already running. After the installation, an automatic restart is performed and we get to the command line. We will already do another configuration via the Proxmox web interface, or using SSH access…


Source: PCTuning – Všechen obsah by pctuning.cz.

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