ubuntu server static ip address assignment run the below script sudo vi /etc/netplan/00-installer-config.yaml #network: # ethernets: # enp0s3: # dhcp4: true # version: 2 replace the above script by the below one by kipping the index network: version: 2 renderer: networkd ethernets: enp2s0f0: dhcp4: no addresses: - 172.22.27.134/24 gateway4: 172.22.27.5 nameservers: addresses: [172.22.186.7, 172.22.186.8] after edit to save capital ZZ then sudo netplan apply source https://www.linuxtechi.com/assign-static-ip-address-ubuntu-20-04-lts/ important commands insert esc i save esc ZZ or :qw! quite :q!