Ubuntu/netplan
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Since Ubuntu 16.04 LTS network configuration is done using netplan [1], and source code is available in GitHub since July 20106: https://github.com/CanonicalLtd/netplan/releases/tag/0.1.
Depending on your Bionic (18.04LTS) installation method, your configuration file will be different:[2]
INSTALL TYPE RENDERER FILE Server ISO systemd-networkd /etc/netplan/01-netcfg.yaml Cloud Image systemd-networkd /etc/netplan/50-cloud-init.yaml Desktop ISO NetworkManager /etc/netplan/01-network-manager-all.yaml
Basic Commands
[edit | edit source]netplan try
(you can also verity your YAML file before trying it, for example using yq utility)netplan generate
to validate the configuration is correctly parsed by netplan and written to disk so next boot will be available.netplan --debug apply
[3]netplan apply
Config Files
[edit | edit source]/etc/netplan/*.yaml
(Read Netplan examples: https://netplan.io/examples)
Activities
[edit | edit source]Basic
[edit | edit source]- Read Netplan examples: https://netplan.io/examples
- Configure your DNS servers in Ubuntu. https://www.techrepublic.com/article/how-to-set-dns-nameservers-in-ubuntu-server-18-04/
Advanced
[edit | edit source]- Review netplan source code: https://github.com/CanonicalLtd/netplan
See also
[edit | edit source]- systemd: systemd-networkd and networkctl
- nmcli, used in RHEL
- Ethernet