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Using GitHub-hosted runners

You can assign a job to run on a virtual machine hosted by GitHub.

Using a GitHub-hosted runner

To use a GitHub-hosted runner, create a job and use runs-on to specify the type of runner that will process the job, such as ubuntu-latest, windows-latest, or macos-latest. For the full list of runner types, see GitHub-hosted runners reference. If you have repo: write access to a repository, you can view a list of the runners available to use in workflows in the repository. For more information, see Viewing available runners for a repository.

When the job begins, GitHub automatically provisions a new VM for that job. All steps in the job execute on the VM, allowing the steps in that job to share information using the runner's filesystem. You can run workflows directly on the VM or in a Docker container. When the job has finished, the VM is automatically decommissioned.

The following diagram demonstrates how two jobs in a workflow are executed on two different GitHub-hosted runners.

Diagram of a workflow that consists of two jobs. One job runs on Ubuntu and the other runs on Windows.

The following example workflow has two jobs, named Run-npm-on-Ubuntu and Run-PSScriptAnalyzer-on-Windows. When this workflow is triggered, GitHub provisions a new virtual machine for each job.

  • The job named Run-npm-on-Ubuntu is executed on a Linux VM, because the job's runs-on: specifies ubuntu-latest.
  • The job named Run-PSScriptAnalyzer-on-Windows is executed on a Windows VM, because the job's runs-on: specifies windows-latest.
YAML
name: Run commands on different operating systems
on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

jobs:
  Run-npm-on-Ubuntu:
    name: Run npm on Ubuntu
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: '14'
      - run: npm help

  Run-PSScriptAnalyzer-on-Windows:
    name: Run PSScriptAnalyzer on Windows
    runs-on: windows-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install PSScriptAnalyzer module
        shell: pwsh
        run: |
          Set-PSRepository PSGallery -InstallationPolicy Trusted
          Install-Module PSScriptAnalyzer -ErrorAction Stop
      - name: Get list of rules
        shell: pwsh
        run: |
          Get-ScriptAnalyzerRule

While the job runs, the logs and output can be viewed in the GitHub UI:

Screenshot of a workflow run. The steps for the "Run PSScriptAnalyzer on Windows" job are displayed.

La aplicación ejecutora de GitHub Actions es de código abierto. Puede contribuir y presentar incidencias en el repositorio runner.

Viewing available runners for a repository

Si tienes acceso repo: write a un repositorio, puedes ver una lista de los ejecutores disponibles para el repositorio.

  1. En GitHub, navegue hasta la página principal del repositorio.

  2. En el nombre del repositorio, haz clic en Acciones.

    Captura de pantalla de las pestañas del repositorio "github/docs". La pestaña "Proyectos" aparece resaltada con un contorno naranja.

  3. En la barra lateral izquierda, en la sección "Administración", haz clic en Ejecutores.

  4. Review the list of available GitHub-hosted runners for the repository.

  5. Opcionalmente, para copiar la etiqueta de un ejecutor para usarla en un flujo de trabajo, haz clic en a la derecha del ejecutor y, a continuación, haz clic en Copiar etiqueta.

Nota:

Los propietarios de empresa y de la organización y los usuarios con el permiso "Manage organization runners and runner groups" pueden crear ejecutores desde esta página. Para crear un nuevo ejecutor, haz clic en Nuevo ejecutor en la parte superior derecha de la lista de ejecutores para agregar ejecutores al repositorio.

Para obtener más información, consulta Managing larger runners y Adding self-hosted runners. Para obtener más información sobre los roles de organización personalizados, consulta Acerca de los roles personalizados de organización.