Netplan - Revision history

Kenneth: /* dhcp */

2026-04-15T18:09:21Z

dhcp

← Older revision		Revision as of 18:09, 15 April 2026
Line 77:		Line 77:

	ref: https://github.com/canonical/netplan/blob/main/examples/dhcp.yaml		ref: https://github.com/canonical/netplan/blob/main/examples/dhcp.yaml

			== vlan ==

			<pre>
			network:
			version: 2
			ethernets:
			eno1:
			... eno1 config ...
			vlans:
			vlan100:
			id: 100
			link: eno1
			addresses: [10.0.0.100/24]
			# dhcp4: true
			</pre>

	== Renderer ==		== Renderer ==

Kenneth: /* dhcp */

2026-04-15T17:58:13Z

dhcp

← Older revision		Revision as of 17:58, 15 April 2026
Line 77:		Line 77:

	ref: https://github.com/canonical/netplan/blob/main/examples/dhcp.yaml		ref: https://github.com/canonical/netplan/blob/main/examples/dhcp.yaml

			== Renderer ==

			Warning: If both systemd-networkd and NetworkManager are active on the same interface, conflicts may occur. The renderer setting ensures control is delegated correctly.

			=== networkd ===

			<pre>
			network:
			version: 2
			renderer: networkd
			</pre>

			=== NetworkManager ===

			This system is being managed by NetworkManager.

			Default:
			<pre>
			# Let NetworkManager manage all devices on this system
			network:
			version: 2
			renderer: NetworkManager
			</pre>

			More:
			<pre>
			# Let NetworkManager manage all devices on this system
			network:
			version: 2
			renderer: NetworkManager
			ethernets:
			enp3s0:
			dhcp4: true
			</pre>

			Apply configuration:
			sudo netplan apply

			Verify backend:
			nmcli device status

			Warning: If both systemd-networkd and NetworkManager are active on the same interface, conflicts may occur. The renderer setting ensures control is delegated correctly.

			== keywords ==

Kenneth at 05:37, 8 August 2024

2024-08-08T05:37:10Z

← Older revision		Revision as of 05:37, 8 August 2024
Line 14:		Line 14:
	sudo netplan apply		sudo netplan apply

			Debug plan:
	sudo netplan --debug apply		sudo netplan --debug apply
	# note "apply --debug" does not work		# note "apply --debug" does not work

Kenneth: /* config */

2024-02-04T20:03:17Z

config

← Older revision		Revision as of 20:03, 4 February 2024
Line 30:		Line 30:
	-		-

	Ubuntu to regen machine-id		Ubuntu to regen machine-id <ref>https://unix.stackexchange.com/questions/402999/is-it-ok-to-change-etc-machine-id</ref>
	rm -f /etc/machine-id /var/lib/dbus/machine-id		rm -f /etc/machine-id /var/lib/dbus/machine-id
	# dbus-uuidgen --ensure=/etc/machine-id		# dbus-uuidgen --ensure=/etc/machine-id
	dbus-uuidgen --ensure		dbus-uuidgen --ensure
	cp /var/lib/dbus/machine-id /etc/machine-id		#cp /var/lib/dbus/machine-id /etc/machine-id
			systemd-machine-id-setup
			# verify:
	cat /etc/machine-id /var/lib/dbus/machine-id		cat /etc/machine-id /var/lib/dbus/machine-id
			hostnamectl

	== examples ==		== examples ==

Kenneth: /* config */

2024-02-04T20:00:19Z

config

← Older revision		Revision as of 20:00, 4 February 2024
Line 1:		Line 1:
	== config ==		== config ==

	~~/etc/netplan/01-netcfg.yaml~~
	<pre>		<pre>
			# /etc/netplan/01-netcfg.yaml
	network:		network:
	ethernets:		ethernets:
Line 9:		Line 9:
	version: 2		version: 2
	</pre>		</pre>

			-

	sudo netplan apply		sudo netplan apply
Line 15:		Line 17:
	# note "apply --debug" does not work		# note "apply --debug" does not work

	~~networkctl~~		-

	<pre>		<pre>
			# networkctl
	IDX LINK TYPE OPERATIONAL SETUP		IDX LINK TYPE OPERATIONAL SETUP
	1 lo loopback carrier unmanaged		1 lo loopback carrier unmanaged
Line 23:		Line 27:
	2 links listed.		2 links listed.
	</pre>		</pre>

			-

			Ubuntu to regen machine-id
			rm -f /etc/machine-id /var/lib/dbus/machine-id
			# dbus-uuidgen --ensure=/etc/machine-id
			dbus-uuidgen --ensure
			cp /var/lib/dbus/machine-id /etc/machine-id
			cat /etc/machine-id /var/lib/dbus/machine-id

	== examples ==		== examples ==

Kenneth: /* config */

2024-02-04T19:55:33Z

config

@@ Line 2: / Line 2: @@
   /etc/netplan/01-netcfg.yaml
   sudo netplan apply
@@ Line 7: / Line 14: @@
   sudo netplan --debug apply
     # note "apply --debug" does not work
 == examples ==

Kenneth: /* config */

2024-02-04T19:54:15Z

config

← Older revision		Revision as of 19:54, 4 February 2024
Line 6:		Line 6:

	sudo netplan --debug apply		sudo netplan --debug apply
			# note "apply --debug" does not work

	== examples ==		== examples ==

Kenneth at 19:31, 21 December 2023

2023-12-21T19:31:09Z

← Older revision		Revision as of 19:31, 21 December 2023
Line 1:		Line 1:
			== config ==

			/etc/netplan/01-netcfg.yaml

			sudo netplan apply

			sudo netplan --debug apply

	== examples ==		== examples ==

Kenneth: Created page with "== examples == https://github.com/canonical/netplan/tree/main/examples == static ==

 network:   version: 2   renderer: networkd   ethernets:     enp3s0:       address..."

2023-12-21T19:30:40Z

Created page with "== examples == https://github.com/canonical/netplan/tree/main/examples == static == <pre> network: version: 2 renderer: networkd ethernets: enp3s0: address..."

New page

== examples ==

https://github.com/canonical/netplan/tree/main/examples

== static ==

<pre>
network:
version: 2
renderer: networkd
ethernets:
enp3s0:
addresses:
- 10.10.10.2/24
nameservers:
search: [mydomain, otherdomain]
addresses: [10.10.10.1, 1.1.1.1]
routes:
- to: default
via: 10.10.10.1
</pre>

ref: https://github.com/canonical/netplan/blob/main/examples/static.yaml

== dhcp ==

<pre>
network:
version: 2
renderer: networkd
ethernets:
enp3s0:
dhcp4: true
</pre>

ref: https://github.com/canonical/netplan/blob/main/examples/dhcp.yaml