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netplan: Give an Interface a Static IP

MediumNetworking15-25 min
The brief

Convert an interface from DHCP to a static address. Your assignment is in /root/case/assignment.env (INTERFACE, ADDRESS, GATEWAY, DNS).

Edit /etc/netplan/01-netcfg.yaml: set addresses: [ADDRESS] (IP with CIDR), a default route via GATEWAY, and nameservers with DNS.

Grading reads the YAML (netplan need not apply). See /root/case/brief.txt.

What you'll do
  • Assign a static IPv4 address with a CIDR prefix
  • Set the default gateway
  • Set a DNS resolver
  • Understand address/gateway/DNS in netplan

Hands-on lab: you work on a real Linux box in your browser, graded on the machine's actual state.