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Change IP Address Permanently using ifupdown

Note that your changes are not made permanent by modifying your IP settings with the “ifconfig” : they are only modified for the current session. This is not the case anymore after assigning the IP address manually. This information is materialized in the “ifconfig” command : in the first screenshot, you can see that my IP address was assigned with a “ dynamic” parameter also called DHCP. When manually changing your IP address, Linux automatically understands that you want to change from using a DHCP server to static IP addressing. In order to verify that your IP address was correctly changed, you can run the “ifconfig” command followed by the name of your network adapter. Note : in order to change your IP address, you will need to be an administrator on your computer (part of the sudo group on Debian/Ubuntu or wheel on CentOS/RedHat)įor example, given the IP addresses used in the previous sections, if we want to change our IP address (to 192.168.178.32/24), we would run the following command $ ifconfig enp0s3 192.168.178.32/24 To assign the subnet mask, you can either add a “netmask” clause followed by the subnet mask or use the CIDR notation directly. To change your IP address on Linux, use the “ifconfig” command followed by the name of your network interface and the new IP address to be changed on your computer. However, you should still be able to use the “ifconfig” to change your IP address. On modern distributions, the “ifconfig” command has been completely deprecated and it is now advised to use the “ip” command. the “enp0s3” interface : acting as a main network adapter, the network card has multiple IP addresses associated with it (IPv4 and IPv6) followed by the IP address assigned to them.the loopback address (or localhost) which is used to test the network connectivity of your own computer.$ ip aĪs you can see from the screenshot, my host is equipped with two network adapters : To find your current IP address, you can use the “ip” command with the “a” option for address. Modify IP Address using Graphical Interfaceīefore changing your IP address, make sure to have a look at your current IP address.Change IP Address Permanently using Network Manager.Change IP Address using Network Manager.Change IP Address Permanently using ifupdown.