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configure static ip address ubuntu server 20.04

network:
  ethernets:
    enp0s3:
      addresses: [192.168.1.3/24]
      gateway4: 192.168.1.1
      nameservers:
        addresses: [4.2.2.2, 8.8.8.8]
  version: 2

ubuntu server 20.04 ip configuration static

#go to file name can vary
sudo nano /etc/netplan/01-netcfg.yaml
# edit to
network:
  ethernets:
    enp0s3:
      dhcp4: false
      addresses: [192.168.50.195/24]
      gateway4: 192.168.50.254
      nameservers:
        addresses: [8.8.8.8]
#save
#apply with
sudo netplan apply

ubuntu 20.04 ifconfig public ip address

dig +short myip.opendns.com @resolver1.opendns.com