**Purpose**: This is a scaffold document outlining the high level of changing an IP address of a server in either Debian or RHEL based operating systems. === "Ubuntu / Debian" ``` sh # Edit Netplan File nano /etc/netplan/ # --> # Apply Netplan Changes netplan apply ``` === "Rocky / Fedora / RHEL" ``` sh # Modify the Existing Connection via nmcli nmcli connection modify ens18-connection \ ipv4.addresses 192.168.3.13/24 \ ipv4.gateway 192.168.3.1 \ ipv4.dns "192.168.3.25,192.168.3.26" \ ipv4.method manual # Bring the Connection Online sudo nmcli connection down ens18-connection sudo nmcli connection up ens18-connection ```