Customized DNS Name Fro MPi Imager Replaced By SW Installation

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Introduction

When creating a custom image for the Raspberry Pi using the official Raspberry Pi Imager, users have the option to set a customized DNS name. However, it has been reported that this customized DNS name is being overridden by the software installation script, resulting in an unsuccessful ping attempt. In this article, we will delve into the details of this issue, explore the steps to reproduce it, and discuss the expected and actual behavior.

Describe the Bug

The issue at hand is that the customized DNS name set during the image creation process is being superseded by the software installation script. This means that when a user attempts to ping the customized DNS name, the request is not successful.

To Reproduce

To reproduce this behavior, follow these steps:

Step 1: Create a Customized Image

  1. Launch the Raspberry Pi Imager and select the desired operating system.
  2. Click on the "Customize" button to set the image settings.
  3. In the "Customization Settings" section, set the "Name" field to a customized DNS name, for example, "oradio3.local".

Step 2: Install the Software

  1. Insert the microSD card into the Raspberry Pi and power it on.
  2. Follow the on-screen instructions to complete the software installation.
  3. Once the installation is complete, the Oradio software will be installed.

Step 3: Attempt to Ping the Customized DNS Name

  1. Open a terminal or command prompt on your computer.
  2. Type the command ping oradio3.local to attempt to ping the customized DNS name.

Expected Behavior

The expected behavior is that the ping request will be successful, and you will receive a response from the Raspberry Pi.

Actual Behavior

However, the actual behavior is that the ping request is not successful. This is because the software installation script has overridden the customized DNS name with a standard name, in this case, "oradio.local".

Additional Context

It appears that the software installation script is designed to set a default DNS name, which in this case is "oradio.local". This default name is being used instead of the customized DNS name set during the image creation process.

Conclusion

In conclusion, the customized DNS name set during the image creation process is being overridden by the software installation script. This results in an unsuccessful ping attempt when trying to access the Raspberry Pi using the customized DNS name. To resolve this issue, the software installation script needs to be modified to respect the customized DNS name set during the image creation process.

Workaround

As a workaround, users can manually edit the /etc/hosts file on the Raspberry Pi to add the customized DNS name. This can be done by running the following command:

sudo nano /etc/hosts

Add the following line to the file:

127.0.1.1 oradio3.local

Save and close the file. This will allow you to access the Raspberry Pi using the customized DNS name.

Future Development

To resolve this issue, the software installation script needs to be modified to respect the customized DNS name set during the image creation process. This can be achieved by adding a check to see if a customized DNS name has been set, and if so, using that name instead of the default name.

Recommendations

To avoid this issue, users can follow these recommendations:

  • Always use the default DNS name set by the software installation script.
  • Manually edit the /etc/hosts file to add the customized DNS name.
  • Report any issues with the software installation script to the developers.

Introduction

In our previous article, we discussed the issue of the customized DNS name set during the image creation process being overridden by the software installation script. In this article, we will answer some frequently asked questions related to this issue.

Q: What is the cause of this issue?

A: The cause of this issue is that the software installation script is designed to set a default DNS name, which in this case is "oradio.local". This default name is being used instead of the customized DNS name set during the image creation process.

Q: How can I resolve this issue?

A: To resolve this issue, the software installation script needs to be modified to respect the customized DNS name set during the image creation process. Alternatively, you can manually edit the /etc/hosts file on the Raspberry Pi to add the customized DNS name.

Q: What is the impact of this issue?

A: The impact of this issue is that users will not be able to access the Raspberry Pi using the customized DNS name. This can cause problems for users who rely on the customized DNS name for their network setup.

Q: Can I use a different DNS name?

A: Yes, you can use a different DNS name. However, you will need to manually edit the /etc/hosts file on the Raspberry Pi to add the new DNS name.

Q: How do I manually edit the /etc/hosts file?

A: To manually edit the /etc/hosts file, follow these steps:

  1. Open a terminal or command prompt on your computer.
  2. Type the command sudo nano /etc/hosts to open the file in the nano editor.
  3. Add the new DNS name to the file, for example: 127.0.1.1 oradio3.local
  4. Save and close the file.

Q: What are the benefits of using a customized DNS name?

A: The benefits of using a customized DNS name include:

  • Improved network security: By using a customized DNS name, you can reduce the risk of your network being compromised by hackers.
  • Simplified network setup: Using a customized DNS name can make it easier to set up your network, as you can use a single name to access all of your devices.
  • Increased flexibility: Using a customized DNS name gives you more flexibility in terms of how you set up your network.

Q: Can I use a customized DNS name with other devices?

A: Yes, you can use a customized DNS name with other devices. However, you will need to manually edit the /etc/hosts file on each device to add the customized DNS name.

Q: How do I report this issue to the developers?

A: To report this issue to the developers, follow these steps:

  1. Open a terminal or command prompt on your computer.
  2. Type the command git clone https://github.com/raspberrypi/rpi-imager.git to clone the Raspberry Pi Imager repository.
  3. Navigate to the rpi-imager directory.
  4. Type the command git add . to stage all changes.
  5. Type the command git commit -m "Reported issue with customized DNS name" to commit the changes.
  6. Type the command git push to push the changes to the remote repository.
  7. Open a new issue on the Raspberry Pi Imager GitHub page, and describe the issue in detail.

By following these steps, you can report this issue to the developers and help to resolve the problem.