Fixing The Replay.cfg Reset Issue On Raspberry Pi 5

Jan 16, 2026 by Editorial Team 52 views

Hey guys! If you're here, chances are you're pulling your hair out because your replay.cfg file on your Raspberry Pi 5 keeps reverting to default settings. I feel you – it's super frustrating when your NFS or Wi-Fi configurations just won't stick! This guide will walk you through the problem, how to reproduce it, and hopefully, how to fix it. We'll dive deep into the issue, why it's happening, and explore some potential solutions. Let's get started!

Understanding the replay.cfg Problem: What's Going On?

So, what's the deal with replay.cfg on your Raspberry Pi 5? Essentially, the issue is that any changes you make to this configuration file, specifically the NFS settings (and potentially Wi-Fi too), are lost after a reboot or even when you check the system information. This means every time you restart your system, you're back to square one, having to reconfigure everything. Ugh, the worst!

This is a real pain, especially if you're relying on NFS for network file sharing. Imagine trying to set up your system, making all the necessary tweaks, and then poof – everything's gone! This forces you to spend extra time configuring it repeatedly. This issue has a direct impact on your system's functionality and your overall user experience.

The Bug: Detailed Breakdown

The root of the problem lies in how the system handles the replay.cfg file. It appears that the system, for some reason, is overwriting your changes with the default settings. This could be due to a few factors, such as: the file being re-generated on startup or during system information checks; a permission issue that prevents the system from saving the modified file; or even some kind of conflict with other system processes.

It is super weird because you edit the file, save it, and then it is gone. That's the core of the problem. It is designed to save user configurations, but for some reason, it fails to do so in this particular instance.

Steps to Reproduce the Issue: How to Test It Yourself

Okay, so let's get down to the nitty-gritty and see how this bug manifests. If you are facing this problem, here are the steps to reproduce the issue yourself. This helps you confirm you are experiencing the same problem and can test any potential fixes.

Edit replay.cfg: The first step is to locate the replay.cfg file, which is usually found in the /media/sd/config/ directory. You can edit this file using any method you like – SSH via nano, WinSCP, or any other file editor you're comfortable with. Make your changes to the NFS settings or any other configurations you need to modify. Make sure all configurations are as you want them to be.
Restart or Check System Information: After editing the file, either reboot your Raspberry Pi 5 or access the system information window. This action is the trigger that causes the file to revert. Once your system reboots, it's time to check if your settings have been saved or if the file has reverted to its default state. This part is where the problem typically shows itself.
Observe the Outcome: Check your configurations. If your settings have been lost, and the file has reverted to default settings, then you're experiencing the same problem that many other users have. This confirms that the bug is present on your system as well.

What to Expect

If the issue is present, you'll see your changes disappear after the reboot or system information check. This behavior indicates that the system is overwriting your configurations, which prevents you from setting up your network properly.

Expected Behavior vs. Reality: What Should Happen?

So, what should happen, and what's actually happening? Let's break it down.

Expected Behavior: Ideally, when you modify the replay.cfg file and restart your Raspberry Pi 5, or even when you just check the system information, your changes should be preserved. This means that the NFS settings, Wi-Fi configurations, or any other settings you've altered should remain intact. Your system should recognize and apply the changes you've made, and your network file sharing, Wi-Fi, and other functionalities should work seamlessly.

Reality: Unfortunately, what actually happens is the exact opposite. After a reboot or system information check, the system reverts to the default settings, effectively wiping out any changes you've made. This means you must reconfigure everything from scratch, which is a major pain. It's like you never made those changes in the first place.

The Frustrating Cycle

The system's behavior creates a frustrating cycle. You make changes, the system overwrites them, and you're back to the default settings. This cycle prevents you from establishing a stable and functional setup. This is a massive inconvenience, and it needs to be fixed to make your system reliable and easy to use.

Troubleshooting Attempts and Set Up Details: What We've Tried

Before we dive into potential solutions, let's look at what the original poster (and probably you) has already tried. This info gives us a starting point and helps avoid retreading old ground.

What Has Been Tried

Editing the replay.cfg file: The most obvious step, but the changes don't stick. The configuration is being rewritten after the system restarts or when system information is accessed.
Attempting NFS connection: Trying to connect via NFS after editing the file, but the file reverts before the connection can be established. This shows the problem occurs in seconds!
Disabling automatic folder regeneration: There was an attempt to disable the automatic regeneration of folders, but unfortunately, this didn't resolve the issue. This suggests the file regeneration is not the cause, but something else is interfering.

Setup Information

Device: Raspberry Pi 5 4GB – This is the hardware involved, so it's a critical component in understanding the problem.
OS Version: 1.12 – This is the software version, which may provide more information about the bug, like when the bug was introduced.
Storage: SD, NFS – How the system and data are stored is important for how to solve the problem.
Power Adapter: Raspberry Pi official – This eliminates any power supply issues as a potential cause.

Potential Solutions and Workarounds: How to Fix This!

Alright, let's get into some solutions. Since the problem is the system overwriting your changes, we need to figure out why, and how to stop it. Here are some potential solutions and workarounds you can try:

1. Check File Permissions

One common cause of this issue can be file permission problems. If the replay.cfg file doesn't have the correct permissions, the system may not be able to save your changes. It's possible the user you're using (e.g., pi) doesn't have write access to the file.

How to check:

Connect to your Raspberry Pi 5 via SSH.
Navigate to the directory where replay.cfg is located (/media/sd/config/).
Run the command ls -l replay.cfg.

This will show you the file's permissions. Look for something like -rw-r--r-- (permissions), owner (e.g., root or pi), and group. The owner should likely be the user you're using. Make sure the owner has write permissions (indicated by w in the permissions string).

How to fix:

If the user doesn't have write permissions, use the command sudo chown pi:pi replay.cfg (replace pi with your username if it's different) to change the owner.
Then, use sudo chmod 664 replay.cfg to set the correct permissions (allowing read and write for the owner and group, read-only for others).

2. Disable Conflicting Services

It's possible that a service running on your Raspberry Pi 5 is interfering with the saving of replay.cfg. Identifying which service might be the difficult part. If you have some idea of what could be causing it, it might be easier to fix. But here are some options to try.

Check running processes: Use the ps aux | grep <service_name> command in the SSH terminal to look for any services related to NFS or file system management.
Disable and test: If you find a potential suspect, temporarily stop the service using sudo systemctl stop <service_name>. After stopping the service, try editing replay.cfg and restarting or checking system info to see if the problem persists.
Disable at startup: If disabling the service resolves the issue, you can prevent it from starting up on boot by using the command sudo systemctl disable <service_name>. Then restart your device to check whether the file persists or not.

3. Backup and Restore Method

If the system insists on overwriting the file, you could consider a workaround that uses a backup and restore method. This way, your changes are preserved.

Create a script to copy replay.cfg: First, create a script (e.g., backup_cfg.sh) and use the command cp /media/sd/config/replay.cfg /path/to/backup/replay.cfg.
Schedule your script: You can use cron to execute your script. You can edit the crontab using sudo crontab -e. Add a line like this to backup and restore your configurations. Example: @reboot /path/to/your/backup_cfg.sh.
Restore the file: You can add another line in your script to copy the backed-up file back to its original location. This way, even if the system overwrites it, you will overwrite the default configurations.

4. Investigate the OS Image

Since the problem might be related to how the OS is handling the file, consider the OS image you are using. If you have another SD card, install a different version of the OS and see if the issue persists.

Try a fresh installation: Reinstall the operating system from a known good image.
Check the OS documentation: See if there are any known issues with the OS version you're using and replay.cfg.
Update the OS: Ensure your OS is up to date, as updates may include fixes for such issues.

5. Contact Support or Community

If none of the above solutions work, it's a good idea to seek help from the community or the OS developers.

Post on forums: Search and post on relevant forums, providing detailed information about your setup, the problem, and the troubleshooting steps you've taken.
Check the official documentation: See if the OS has official support channels or documentation to resolve the issue.

Conclusion: Making it Stick!

So, there you have it, guys. Dealing with the replay.cfg reset issue on a Raspberry Pi 5 can be a headache, but it's not impossible to fix. By systematically checking permissions, exploring potential service conflicts, and maybe even considering a backup/restore method, you should be able to get your configurations to stick. Remember to try these steps one at a time, testing after each one to see if the problem is solved. If all else fails, reach out to the community or the OS developers. Good luck, and happy configuring! I hope this helps you get everything working smoothly! Let me know if you have any questions, and feel free to share your experiences – it’s a journey we're all on together!