Removing Public IPv4 Addresses from a VPS (CentOS 7)

For VPS purchased after 16 May 2023

This article explains how to remove an additional public IPv4 address on a VPS that has CentOS 7 installed.

• Log in to the server.

• Open the /etc/sysconfig/network-scripts folder. To do this, type the following command:

  [root@localhost ~]# cd /etc/sysconfig/network-scripts

• To get a list of configuration files, type the following command:

  [root@localhost network-scripts]# ls

• Make sure that the configuration file contains only the data of the additional IPv4 address. The name of the configuration file contains the interface name and a consecutive digit. To do this, open the file with the vi editor.

  root@localhost ~]# cd PATH/ifcfg-INTERFACE-FORTLAUFENDE_ZIFFER

  Example:

  [root@localhost ~]# cd /etc/sysconfig/network-scripts/ifcfg-eth0

• Delete the file that contains the configuration for the additional IPv4 address. To do this, enter the following command:

  [root@localhost ~]# rm PATH/ifcfg-INTERFACE-FORTLAUFENDE_ZIFFER

  Example:

  [root@localhost ~]# rm /etc/sysconfig/network-scripts/ifcfg-eth0

• Perform a reboot of the server. To do this, enter the following command:

  [root@localhost ~]# systemctl reboot

• Log in to the server again.

• To verify that the IPv4 address has been removed, enter the following command:

  [root@localhost ~]# ip addr