Fix netplan gateway4 deprecated

 

example:                  

network:
  version: 2
  ethernets:
    ens192:
      dhcp4: false
      dhcp6: false
      addresses:
        - 10.20.0.16/23
      nameservers:
        addresses:
        - 10.20.0.11
        search:
        - mpro.gov
      routes:
        - to: default
          via: 10.20.0.250
        - to: 10.0.0.0/8
          via: 10.20.0.254
        - to: 172.16.0.0/12
          via: 10.20.0.254

Fix permissions:
chmod 600 /etc/netplan/*.yaml 

 

 

Ubuntu netplan config file

 Ubuntu netplan config file

Creat file 01-netcfg.yaml in /etc/netplan

pico /etc/netplan/01-netcfg.yaml

network:
    version: 2
    ethernets:
        ens192:
            addresses:
            - 10.20.1.16/24
            dhcp4: false
            gateway4: 10.20.1.216
            nameservers:
                addresses:
                - 10.20.1.11
                search:
                - mpro.gov
            routes:
             - to: 10.0.0.0/8
               via: 10.20.0.254