Change Static IP Address

Enterprise Linux 9 / Raspberry Pi OS 12 :

sudo nmtui

Or

su

# list devices (ens192 used as example below)
nmcli device

# set [manual] for static setting or [auto] for DHCP
nmcli connection modify ens192 ipv4.method manual
nmcli connection modify ens192 ipv4.addresses xx.xx.xx.xx/24 
nmcli connection modify ens192 ipv4.gateway xx.xx.xx.1

# for multiple DNS, specify with space separated
nmcli connection modify ens192 ipv4.dns "xx.xx.xx.1 xx.xx.xx.2"

# restart the interface to reload settings
nmcli connection down ens192; nmcli connection up ens192

# confirm the applied settings
nmcli device show ens192

# confirm state
ip address show

Debian 12 :

su

ip a

nano /etc/network/interfaces

# restart the interface to reload settings
systemctl restart networking

# confirm state
systemctl status networking

Raspbian 10 / Raspberry Pi OS 11 :

sudo nano /etc/dhcpcd.conf