---
title: Archlinux
date: 2023-11-29T20:33:48+0100
lastmod: 2024-04-13T10:21:20+0000
tags:
  - archlinux

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---

## Predictable network interfaces

Get back the "old" interface names like `eth0` or `wlan0` with
[systemd.link](https://www.man.page/5/systemd.link).

### Ethernet

This makes my ethernet interface be called **eth0** again.

Create `/usr/lib/systemd/network/80-ether.link` with this content:

~~~systemd
[Match]
Type=ether

[Link]
NamePolicy=keep kernel
~~~

Reboot.

### Wireless

This makes my wireless interface be called **wlan0** again.

Create `/usr/lib/systemd/network/80-wlan.link` with this content:

~~~systemd
[Match]
Type=wlan

[Link]
NamePolicy=keep kernel
~~~

Reboot.

## Prefer local DNS instead of systemd-resolved defaults

<https://unix.stackexchange.com/a/442599>

## Setup WiFi networks

### Using **iwctl**

~~~console
$ iwctl device list
$ iwctl station wlan0 scan
$ iwctl station wlan0 get-networks
$ iwctl station wlan0 connect {ssid}
~~~

### Using **nmcli** (NetworkManager)

~~~console

~~~

## CPU frequency scaling

<https://wiki.archlinux.org/title/CPU_frequency_scaling>

## YubiKeys

<https://wiki.archlinux.org/title/YubiKey>

## LunarVim custom key mappings

I know, this is an Arch Linux post but hey, I don't care.

<https://github.com/LunarVim/LunarVim/issues/2602>

## Mounting nfs shares with systemd

<https://wiki.archlinux.org/title/NFS#Mount_using_/etc/fstab_with_systemd>

### Arch Linux ARM installation on a Raspberry Pi 2

The wiki page is for Raspberry Pi 4.

<https://archlinuxarm.org/platforms/armv8/broadcom/raspberry-pi-4>

## Create a 32-bit Wine prefix

I create my wine prefixes usually like this:

~~~console
$ export WINEPREFIX=/home/dominic/.wine-winlink
$ export WINEARCH=win32
$ wine wineboot
~~~