GitHub Pages documentation - GitHub Enterprise Server 3.19 Docs
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Configuring a publishing source for your GitHub Pages site
You can configure your GitHub Pages site to publish when changes are pushed to a specific branch, or you can write a GitHub Actions workflow to publish your site.
Creating a GitHub Pages site
You can create a GitHub Pages site in a new or existing repository.
Creating a GitHub Pages site with Jekyll
You can use Jekyll to create a GitHub Pages site in a new or existing repository.
Adding content to your GitHub Pages site using Jekyll
You can add a new page or post to your Jekyll site on GitHub Pages.
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About GitHub Pages and Jekyll
Jekyll is a static site generator with built-in support for GitHub Pages.
Unpublishing a GitHub Pages site
You can unpublish your GitHub Pages site so that your current deployment is removed and the site is no longer available. This is different from deleting the site.
Testing your GitHub Pages site locally with Jekyll
You can build your GitHub Pages site locally to preview and test changes to your site.
Adding a theme to your GitHub Pages site using Jekyll
You can personalize your Jekyll site by adding and customizing a theme.
Guides
Creating a custom 404 page for your GitHub Pages site
You can display a custom 404 error page when people try to access nonexistent pages on your site.
Adding a theme to your GitHub Pages site using Jekyll
You can personalize your Jekyll site by adding and customizing a theme.
Troubleshooting Jekyll build errors for GitHub Pages sites
You can use Jekyll build error messages to troubleshoot problems with your GitHub Pages site.