Change IP in Ubuntu Server 18.04

change-ip-ubuntu18-04.md

Change IP in Ubuntu server 18.04

The configuration files are stored in 50-cloud-init.yaml (If it does not exist, using command sudo netplan generate to generate it)

network:
    ethernets:
        eno1:
            addresses: []
            dhcp4: true
            optional: true
        enp4s0f1: # change the interface which you are working on
            addresses: [192.168.100.45/24] # /24 is netmask
            gateway4: 192.168.100.1
            dhcp4: no # use static ip
            nameservers:
                addresses: [8.8.8.8]
    version: 2

Apply the configuration

sudo netplan apply