Setting the homepage of a portal for smartphones and tablets from the Admin dashboard typically depends on the specific content management system (CMS) or platform you are using. Here are general steps you can follow:

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1. Login to Admin Dashboard: Access the Admin dashboard of your website or portal. You will typically need administrative privileges to make changes to the homepage.

2. Navigate to Settings: Look for a "Settings," "Homepage," or "Appearance" option in the dashboard's menu. The wording may vary depending on your CMS.

3. Select Homepage Settings: Click on the option that allows you to configure the homepage settings.

4. Choose a Static Page or Custom URL: Depending on your CMS, you may have the option to select a static page as your homepage. If so, choose the page you want to set as the homepage. Alternatively, some platforms allow you to enter a custom URL as your homepage.

5. Save Changes: After selecting the page or entering the URL, save your changes. This step may involve clicking a "Save" button or similar action.

6. Mobile and Tablet Responsiveness: Ensure that the homepage you've selected or the custom URL you've entered is mobile and tablet responsive. This means that the content and layout of the homepage should adapt to different screen sizes to provide an optimal user experience on smartphones and tablets.

7. Preview and Test: Before finalizing your changes, preview the homepage on different mobile devices and tablets to ensure that it displays correctly and functions as intended.

8. Publish or Update: If everything looks good, publish the changes to make the new homepage live on smartphones and tablets. If you were editing an existing homepage, the changes should take effect immediately.

9. Clear Caches: Depending on your CMS, you may need to clear caches to ensure that the updated homepage is visible to all users on mobile devices and tablets.

Upgrading an app without losing firewall rules typically depends on the specifics of the application and firewall you are using. However, the general process involves ensuring that your firewall rules are preserved during the app upgrade. Here are the steps you can follow:

1. Backup Your Firewall Rules: Before gratte langue   upgrading the app, it's essential to create a backup of your existing firewall rules. This can usually be done through the firewall management interface or by using command-line tools, depending on the firewall software you are using.

2. Document Your Rules: Take note of your existing firewall rules, including any custom rules you have configured. This documentation is crucial to recreate the rules in case something goes wrong during the upgrade.

3. Check the App Upgrade Documentation: Review the documentation provided for the app upgrade. Look for any specific instructions regarding preserving firewall rules. Some applications provide guidance on how to ensure rule persistence during the upgrade process.

4. Test the Upgrade in a Non-Production Environment: If possible, set up a test environment or staging server to perform the app upgrade first. This allows you to test the upgrade process without risking your production environment. Make sure that the firewall rules are retained in the test environment.