system-administration/netplan.md

Netplan for Ubuntu VMs

Change DHCP to Static IP

Edit /etc/netplan/50-cloud-init.yaml (change to match your netplan .yaml file)

NOTE: DO NOT CREATE A BACKUP FILE IN THE SAME DIRECTORY. IT WILL FAIL WHEN APPLYING AND YOU WILL LOSE CONNECTION. ONLY USE ONE FILE.

network:
  version: 2
  ethernets:
    enp6s18:                    # replace with your interface name
      dhcp4: false
      addresses:
        - x.x.x.x/24            # your desired static IP
      routes:
        - to: default
          via: x.x.x.x          # your gateway
      nameservers:
        addresses:
          - 1.1.1.1             # DNS — your gateway or preferred resolver
          - 8.8.8.8

---

Test and Apply changes

Test if config takes

netplan try

Apply config

netplan apply