Ping netbios-name (Ubuntu server 20.04)

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6

I don’t see anything wrong there, but I am not at all a netplan specialist. You have to be very careful with space indentation, cause it is part of the YAML structure. Use 2 spaces for each level, no tabs. “search” and “addresses” statement must start exactly after the same number of spaces.

# This is the network config written by 'subiquity'
network:
  ethernets:
    eth0:
      #dhcp4: true
      #version: 2
      addresses: [172.16.1.18/23]
      gateway4: 172.16.0.1
      nameservers:
        search: [lyceum.lyceumgenk.be, lyceum]
        addresses: [172.16.1.10, 172.16.1.11, 172.16.0.1]

If it is still not OK, I don’t have any other idea.