---
title: "How do I install Fluxer on Ubuntu and Debian?"
description: "Add Fluxer's signed apt repository and install the fluxer package on Ubuntu or Debian, and apt keeps Fluxer up to date with the rest of your system."
url: "https://fluxer.com/help/install-fluxer-on-ubuntu-and-debian"
language: "en"
last_updated: "2026-11-01"
category: "Features and apps"
---

> Index of Fluxer's official pages for AI agents: https://fluxer.com/llms.txt
> Links to Fluxer pages go to their Markdown versions when they have one. For other Fluxer help, policy or blog links, remove any #section part and add .md to the end.

# How do I install Fluxer on Ubuntu and Debian?

Add Fluxer's signed apt repository and install the fluxer package on Ubuntu or Debian, and apt keeps Fluxer up to date with the rest of your system.

Add our apt repository and install the `fluxer` package with the commands on the "Debian and Ubuntu" tab of the [Linux downloads](https://fluxer.com/download#linux). After that, apt keeps Fluxer up to date along with the rest of your system, on both x64 and arm64 computers.

## What are the apt commands for Fluxer?

Open a terminal and run these commands, which are the same as on the download page. They save our signing key, add the repository and install Fluxer.

```sh
sudo install -d -m 0755 /etc/apt/keyrings
sudo curl -fsSL -o /etc/apt/keyrings/fluxer-archive-keyring.gpg https://pkgs.fluxer.com/keys/fluxer-archive-keyring.gpg
sudo curl -fsSL -o /etc/apt/sources.list.d/fluxer.sources https://pkgs.fluxer.com/deb/fluxer.sources
sudo apt update && sudo apt install fluxer
```

Our apt repository is signed with our archive key, which has the fingerprint `09D01339EE128925F75E675C855C5BDE34D205D2` and also signs our other repositories.

## How does Fluxer update on Ubuntu and Debian?

New versions of Fluxer come through apt, along with your other updates. If the app won't pick up an update, click "Restart Fluxer" in the tray menu.

## Can I install the Fluxer .deb file without the repository?

Yes. On the "Direct download" tab of the [Linux downloads](https://fluxer.com/download#linux), select "Intel x86_64" or "ARM64" and then "deb". A .deb file you install this way doesn't get updates until you add our repository, and the commands for that are at the top of this page.

- [https://pkgs.fluxer.com/desktop/stable/linux/x64/latest/deb](https://pkgs.fluxer.com/desktop/stable/linux/x64/latest/deb)
- [https://pkgs.fluxer.com/desktop/stable/linux/arm64/latest/deb](https://pkgs.fluxer.com/desktop/stable/linux/arm64/latest/deb)

You can [check that the file is genuine](https://fluxer.com/help/verify-fluxer-download.md) with its checksum.

## How do I install Fluxer Canary on Ubuntu and Debian?

[Fluxer Canary](https://fluxer.com/help/is-fluxer-canary-safe.md) has its own repository entry and the package `fluxer-canary`, and you can install it next to the stable app. Save the signing key with the first two commands above, then run these two commands to add the Canary entry and install it.

```sh
sudo curl -fsSL -o /etc/apt/sources.list.d/fluxer-canary.sources https://pkgs.fluxer.com/deb/fluxer-canary.sources
sudo apt update && sudo apt install fluxer-canary
```

To remove Fluxer or start over, follow the steps to [reinstall Fluxer on Linux](https://fluxer.com/help/reinstall-fluxer-on-linux.md).

---

Canonical page: https://fluxer.com/help/install-fluxer-on-ubuntu-and-debian

Last updated on November 1, 2026