How to remove an "offline" node after reinstalling server OS?

I have read similar topics in the forum but I cannot get to the bottom of this.

I had Netadata installed in my server.
I had to make a clean reinstall of the OS.
At the end I reinstalled Netdata. using this option

Now in my dashboard I see an “offline” node and a new “online” node.
The offline node is impossible to delete (delete button is inactive)

I found this guide: Connect Agent to Cloud | Learn Netdata

Proceeded with the first step

cd /var/lib/netdata   # Replace with your Netdata library directory, if not /var/lib/netdata/
sudo rm -rf cloud.d/

cloud.d folder is now removed.

I am not sure how to proceed now.

Even with the clou.d folder removed, the “online” node is still receiving data normally and stats are working, while the “offline” one is still impossible to delete.

The guide step 2 says " Stop the agent". I am not really sure how to do that.
All I did to install Netdata was copying the provided “linux” command, I did not do anything else to add the node.

Thank you for any help on this!

Suggested template:


Relevant docs you followed/actions you took to solve the issue

Environment/Browser/Agent’s version etc

What I expected to happen

In your second screenshot, you have rooms selected. From there you selected Nodes (Horizontal menu).

Go to Nodes in the left pane (vertical), there you can delete.

I was able to solve this