Best Linux Distros for the Raspberry Pi

The Raspberry Pi runs a surprising range of Linux distributions, each with different goals. Picking the wrong one means fighting your OS instead of building your project. This guide cuts through the noise: what each major option actually gives you, who it suits, and how to get it running fast.

The Main Contenders

Five distributions cover the vast majority of Pi use cases. They differ in default desktop environment, memory footprint, package availability, architecture support, and how much hand-holding they provide. The table below summarises the key differences before we dig in.

Distro	Idle RAM	Desktop	Best for
Raspberry Pi OS	~180 MB	LXDE/Wayfire	General use, beginners
Ubuntu	~400 MB	GNOME (optional)	Familiarity, server workloads
DietPi	~35 MB	None by default	Lean servers, IoT
Alpine Linux	~25 MB	None by default	Containers, security-focused
Arch Linux ARM	~50 MB	None by default	Power users, rolling release

Raspberry Pi OS (formerly Raspbian)

Raspberry Pi OS is the official distribution maintained by the Raspberry Pi Foundation. It ships in three flavours: Lite (no desktop), Desktop, and Full (Desktop plus recommended software). All are based on Debian Bookworm (as of 2024). The Foundation ships its own kernel with optimised drivers for the Pi's GPU, camera stack (libcamera), and GPIO, which no other distro matches out of the box.

Who should use it

• Anyone new to Linux or the Raspberry Pi.
• Educators using GPIO, Sense HAT, or the Camera Module.
• Projects that need Raspberry Pi-specific hardware to just work.
• Makers who want a full desktop on Pi 4 or Pi 5.

Getting it on an SD card

Use the official Raspberry Pi Imager. On Debian/Ubuntu:

sudo apt install rpi-imager

On Fedora:

sudo dnf install rpi-imager

Launch rpi-imager, choose your Pi model, pick an OS image, select your SD card, and click the gear icon to pre-configure hostname, SSH, Wi-Fi, and user credentials before writing. This saves significant first-boot friction.

Key facts

• Only supports 32-bit on older Pi models by default; Pi 4 and Pi 5 images are 64-bit.
• Receives security updates promptly because it tracks Debian stable.
• The raspi-config tool handles interface toggles (SPI, I2C, SSH) without editing config files manually.

Ubuntu on Raspberry Pi

Canonical officially supports Ubuntu Server and Ubuntu Desktop on Pi 4 and Pi 5 (aarch64). Support for Pi 3 continues for Server images. Ubuntu follows its own kernel tree, which lags slightly behind Pi OS for hardware-specific features like the V4L2 camera stack, but gains Canonical's LTS support cycle (five years with an Ubuntu Pro account, three years free).

Who should use it

• Developers who work on Ubuntu servers and want a consistent environment on their Pi.
• Teams running containerised workloads — Ubuntu has excellent Docker and LXD support.
• Anyone who needs a straightforward upgrade path to newer Ubuntu releases.

Installation

Download Ubuntu Server or Desktop from ubuntu.com/raspberry-pi, then flash with Imager or dd:

xzcat ubuntu-24.04-preinstalled-server-arm64+raspi.img.xz | \
  sudo dd of=/dev/sdX bs=4M status=progress conv=fsync

Replace /dev/sdX with your actual card device (verify with lsblk before writing).

Key facts

• Ubuntu Desktop on Pi 4 (4 GB) is usable but noticeably slower than Pi OS Desktop; Pi 5 handles it comfortably.
• Snap packages are enabled by default; some users disable snapd and use pure apt.
• Camera Module support requires extra configuration — Pi OS is simpler if cameras are central to your project.

DietPi

DietPi is a stripped Debian-based distribution engineered from the ground up for minimal resource usage. A fresh headless install idles below 40 MB of RAM. It ships with a powerful interactive installer (dietpi-software) that lets you select and deploy pre-configured stacks — Nextcloud, Pi-hole, Home Assistant, Jellyfin, and over 180 others — in a few keystrokes, handling dependencies and systemd service setup automatically.

Who should use it

• Home server builders: NAS, media server, ad blocker, VPN endpoint.
• IoT and automation projects that run headless 24/7.
• Anyone who wants a server OS without the overhead of a full Debian install.

Quick start

Flash the image from dietpi.com. Before first boot, edit dietpi.txt and dietpi-wifi.txt on the boot partition to pre-configure networking, locale, and SSH. First boot completes unattended configuration, then drops you into the DietPi menu.

# After first boot, install software interactively:
dietpi-software

Key facts

• Supports every Pi model including Zero W and Zero 2 W where RAM is precious.
• Uses dietpi-update instead of plain apt for OS-level updates; underlying packages are still Debian.
• Not ideal if you want a full desktop workflow — it is optimised for server use.

Alpine Linux

Alpine is a security-oriented, musl libc-based distribution that fits in under 130 MB on disk and uses around 25 MB of RAM at idle. It uses OpenRC rather than systemd. Packages are managed with apk. Alpine is the default base image for millions of Docker containers, but it also runs well as a full Pi OS — especially on Pi Zero hardware.

Who should use it

• Security-conscious deployments: minimal attack surface, grsecurity-patched kernel options.
• Building OCI container base images or testing Docker workloads natively on ARM.
• Developers familiar with Alpine from containers who want the same environment on real hardware.
• Not recommended for beginners: musl compatibility issues affect some compiled software, and the lack of systemd surprises many users.

Getting Alpine running

Download the aarch64 Raspberry Pi image from alpinelinux.org, flash it, then on first boot run:

setup-alpine

This interactive script configures hostname, network, timezone, SSH, and disk layout. To make changes persist across reboots (Alpine can run entirely from RAM), commit with:

lbu commit -d

Key facts

• Uses OpenRC, not systemd — manage services with rc-service and rc-update.
• Some software built against glibc (not musl) will not run or needs compatibility shims.
• Excellent for Pi Zero 2 W or any project where you are writing a custom minimal image.

Arch Linux ARM

Arch Linux ARM (ALARM) is an unofficial port maintained by the Arch Linux ARM project. It follows Arch's rolling release model: no version numbers, packages update continuously from upstream. You get the AUR, pacman, and the Arch philosophy of explicit, user-controlled configuration. There is no graphical installer — setup is done manually from another machine or a running Pi.

Who should use it

• Experienced Linux users who want bleeding-edge packages and full control.
• Developers who need the latest versions of compilers, runtimes, or libraries.
• Anyone who already uses Arch on desktop and wants a consistent toolchain on ARM.
• Not for beginners: you partition, format, and extract a root tarball manually.

Installation outline

From another Linux machine, partition the SD card, then extract the root filesystem tarball directly:

# Example for Pi 4 (armv8 / aarch64):
mkdir -p /mnt/root
bsdtar -xpf ArchLinuxARM-rpi-aarch64-latest.tar.gz -C /mnt/root
sync

Full step-by-step instructions live at archlinuxarm.org/platforms — follow the page for your exact Pi model, as partition layouts differ.

Key facts

• Uses pacman and supports the AUR via helpers like yay or paru.
• Rolling updates mean you must update regularly to avoid large, risky upgrade jumps.
• GPIO and hardware-specific packages exist in the AUR but may lag behind Pi OS.

Verification: Confirming Your Install

Regardless of distro, after first boot confirm the basics:

# Confirm kernel and architecture
uname -a

# Check available memory
free -h

# Verify network connectivity
ip addr show
ping -c 3 archlinuxarm.org

For Pi OS specifically, run vcgencmd measure_temp to check the SoC temperature and confirm GPU firmware is accessible.

Troubleshooting

Pi won't boot after flashing

Confirm the image is written to the correct device. Use lsblk before and after inserting the card to identify it. A silent failure during dd often means you wrote to the wrong target or the card is too slow — Class 10 / A1-rated cards or faster are strongly recommended.

No HDMI output on first boot

This is common with Pi OS and Ubuntu when using certain monitors. Add hdmi_force_hotplug=1 to /boot/firmware/config.txt (Pi OS) or /boot/firmware/usercfg.txt (Ubuntu) from another machine before booting.

Alpine changes lost after reboot

Alpine in diskless mode stores state in RAM. You must run lbu commit -d after every change you want to keep, or switch to a full sys-mode install during setup-alpine.

Arch ARM pacman keyring errors

New installs often have outdated keys. Initialise and populate the keyring before updating:

pacman-key --init
pacman-key --populate archlinuxarm
pacman -Syu