Removing a public IPv4 address from a VPS (Debian 10)

For VPS purchased after 16 May 2023

This article explains how to remove an additional public IPv4 address on a VPS that has Debian 10 installed.

You already unassigned the additional public IPv4 address in the Cloud Panel.

Log in to the server.
Open the /etc/network/interfaces file with the vi editor. Enter the following command:
root@debian:~# vi /etc/network/interfaces
Delete the corresponding entries from /etc/network/interfaces.
Restart the network service.
root@debian:~# /etc/init.d/networking restart