docs: add description for Ubuntu 24.04 ARM image

docs/docs/reference/os-ubuntu-images/ubuntu-2404-arm-image.md

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+---
+description: Ubuntu 24.04 (ARM) Image Reference
+---
+
+# Ubuntu 24.04 (ARM)
+
+
+
+
+
+
+
+This is a customized ARM image based on [Ubuntu 24.04](https://wiki.ubuntu.com/NobleNumbat/ReleaseNotes) (Noble Numbat LTS).
+
+This OS can only be paired with [R1 ARM machines](../machine-types#r1).
+
+<Tabs groupId="editor-yaml">
+<TabItem value="editor" label="Editor">
+
+To use this operating system, and choose `ubuntu2404` in the **OS Image** selector. This OS can be paired with [R1 machines](../machine-types#r1).
+
+![Selecting the Ubuntu 24.04 using the workflow editor](./img/ubuntu2404-arm-selector.jpg)
+
+</TabItem>
+<TabItem value="yaml" label="YAML">
+
+To use this operating system, you must select an [`r1-standard-4`] machine and use `ubuntu2404` as the `os_image`:
+
+```yaml
+version: 1.0
+name: Ubuntu2404 Based Pipeline
+agent:
+  machine:
+  # highlight-start
+    type: r1-standard-4
+    os_image: ubuntu2404
+  # highlight-end
+```
+
+</TabItem>
+</Tabs>
+
+The following section describes the software pre-installed on the image.
+
+## Toolbox
+
+The image comes with the following [toolbox utilities](../toolbox) preinstalled:
+
+- [sem-version](../toolbox#sem-version): manage language versions on Linux
+
+## Version control
+
+Following version control tools are pre-installed:
+
+- Git 2.51.2
+- Git LFS (Git Large File Storage) 3.7.1
+- GitHub CLI 2.80.0
+- Mercurial 6.7.2
+- Svn 1.14.3
+
+### Browsers and Headless Browser Testing
+
+- Firefox 140.4.0esr
+- Geckodriver 0.36.0
+- Chromium 142
+- Chromium Driver 142
+- Xvfb (X Virtual Framebuffer)
+
+Chrome and Firefox both support headless mode. You shouldn't need to do more
+than install and use the relevant Selenium library for your language.
+Refer to the documentation of associated libraries when configuring your project.
+
+### Docker
+
+Docker toolset is installed and the following versions are available:
+
+- Docker 28.4.0
+- Docker-compose 2.39.4 (used as `docker compose version`)
+- Docker-buildx 0.29.1
+- Docker-machine 0.16.2
+- Dockerize 0.9.6
+- Buildah 1.33.7
+- Podman 4.9.3
+- Skopeo 1.13.3
+
+### Cloud CLIs
+
+- Aws-cli 2.31.1 (used as `aws`)
+- Azure-cli 2.79.0
+- Eb-cli 3.25
+- Ecs-cli 1.21.0
+- Doctl 1.142.0
+- Gcloud 540.0.0
+- Gke-gcloud-auth-plugin 540.0.0
+- Kubectl 1.29.1
+- Terraform 1.13.3
+- Helm 3.19.0
+
+### Network utilities
+
+- Httpie 3.2.3
+- Curl 8.5.0
+- Rsync 3.2.7
+
+## Compilers
+
+- gcc: 11, 12, 13 (default)
+
+## Languages
+
+### Erlang and Elixir
+
+Erlang versions are installed and managed via [kerl](https://github.com/kerl/kerl).
+Elixir versions are installed with [kiex](https://github.com/taylor/kiex).
+
+- Erlang: 24.3, 25.x, 26.x, 27.x (27.0 as default), 28.x
+- Elixir: 1.14.x, 1.15.x, 1.16.x, 1.17.x (1.17.3 as default), 1.18.x, 1.19.x
+
+Additional libraries:
+
+- Rebar3: 3.24.0
+
+### Go
+
+Versions:
+
+- 1.19.x
+- 1.20.x
+- 1.21.x
+- 1.22.x
+- 1.24.x
+- 1.25.x
+
+The default installed Go version is 1.25.1
+
+### Java and JVM languages
+
+- Java: 11.0.28, 17.0.16 (default), 21.0.8
+- Scala: 3.2.2
+- Leiningen: 2.12.0 (Clojure)
+- Sbt 1.11.6
+
+### Additional Java build tools
+
+- Maven: 3.9.11
+- Gradle: 9.1.0
+
+### JavaScript via Node.js
+
+Node.js versions are managed by [nvm](https://github.com/nvm-sh/nvm).
+You can install any version you need with `nvm install [version]`.
+Installed version:
+
+- v22.19.0 (set as default, with alias 22.19), includes npm 10.9.3
+
+### Additional JS tools
+
+- Yarn: 1.22.19
+
+### PHP
+
+PHP versions are managed by [phpbrew](https://github.com/phpbrew/phpbrew).
+Available versions:
+
+- 8.1.x
+- 8.2.x
+- 8.3.x
+
+The default installed PHP version is `8.1.33`.
+
+### Additional PHP libraries
+
+PHPUnit: 9.5.28
+
+### Python
+
+Python versions are installed and managed by
+[virtualenv](https://virtualenv.pypa.io/en/stable/). Installed versions:
+
+- 3.10.19
+- 3.11.14
+- 3.12.3 (default)
+
+Supporting libraries:
+
+- pypy3: 7.3.19
+- pip: 25.3
+- venv: 20.34.0
+
+### Ruby
+
+Available versions:
+
+- 3.2.x
+- 3.3.x
+- 3.4.x
+
+The default installed Ruby version is `3.4.6`.
+
+### Rust
+
+- 1.91.0
+
+### Swiftly
+
+- 1.1.0
+
+## See also
+
+- [Installing packages on Ubuntu](../os-ubuntu)
+- [Machine types](../machine-types)
+- [Semaphore Toolbox](../toolbox)
+- [Pipeline YAML refence](../pipeline-yaml)