43 lines
1.9 KiB
Markdown
43 lines
1.9 KiB
Markdown
---
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date: 2022-07-27
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toc: true
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title: Proxmox setup
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tags: ["blogpost", "homelab"]
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---
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## Introduction
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This document lists all of the modifications I apply to my proxmox instance after an install.
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Feel free to copy them or to send me suggestions to improve/grow this list.
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## Power consumption
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Running a server 24/7 can eat up a lot of watts and proxmox uses a pretty power hungry cpu governor: `performance`, which just puts the CPU at its max freq 100% of the time.
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Chosing the `powersave` governor can drastically reduce the power usage of the machine.
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First, check your available governors with:
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```shell
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cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governor
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```
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Then, if `powersave` is available, do:
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```shell
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echo "powersave" | tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
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```
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This modification will not be persistent after a reboot (it happens sometimes), adding it to your `crontab` will fix that. To do so, add the following entry:
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```shell
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@reboot echo "powersave" | tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor >/dev/null 2>&1
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```
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You can also install `powertop` to see what process uses the most energy. I had totally forgotten that I had `suricata` running on my pve node, and it was the second hungriest process on the machine.
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## Subscription nag
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Sorry to the Proxmox team, but I can't really afford the license right now, and the nag is rather annoying.
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If you can buy it, please do: this software runs all your services and you're actually getting all of this for free; please support the devs by purchasing a license.
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I have removed the nag by running this command (as `root`):
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```sh
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cat << EOF > /etc/apt/apt.conf.d/no-nag-script
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DPkg::Post-Invoke { "dpkg -V proxmox-widget-toolkit | grep -q '/proxmoxlib\.js$'; if [ $? -eq 1 ]; then { echo 'Removing subscription nag from UI...'; sed -i '/data.status/{s/\!//;s/Active/NoMoreNagging/}' /usr/share/javascript/proxmox-widget-toolkit/proxmoxlib.js; }; fi"; };
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EOF
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``` |