Questions tagged [netplan]
Netplan is a utility for easily configuring networking on a linux system. You simply create a YAML description of the required network interfaces and what each should be configured to do. From this description Netplan will generate all the necessary configuration for your chosen renderer tool.
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questions with no upvoted or accepted answers
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Ubuntu 18.04.2 LTS server - network configuration problem during setup
When installing from current server iso's in a VMWare VM and without a DHCP Server present, both Ubuntu installers are not able to manualy configure a ethernet interface.
With the ubuntu-18.04.2-...
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How to change NIC settings (ethtool settings) via netplan?
https://netplan.io/design requirements section includes "ethtool settings", but that is the only mention of ethtool on the netplan web site
Based on the hint in netplan.io/faq, I put the "ethtool -G" ...
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Ubuntu 18 Server GRE tunnel with netplan?
How do I create a GRE tunnel with netplan? Previously in /etc/network/interfaces, I would do..
iface gr0 inet manual
pre-up ip tunnel add gr0 mode gre remote 10.10.10.10 local 10.20.10.10 dev ens33 ...
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Server 18.04: netplan, avahi and DHCP combination
For a long time now I have been looking for a means to replicate Window's IPv4 assignment behaviour. That is, first try DHCP and on failure switch to link-local addressing. So far I failed to find ...
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Bridging LAN and WIFI using netplan not working and killing AP
I'm trying to extend my local LAN network via WiFi and would like all devices in the same network. The setup is as follows:
DHCP/DNS server running inside the LAN
separate PC linked to the LAN, with ...
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Ubuntu 22.04 Server losing dns at random
It happens at random, could be a day could be 2 weeks. Boot up the server everything is fine.
After a random time I'm unable to resolve any web addresses. Checking the server I get the following.
...
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netplan how to set hostname via option 12
I run Ubuntu 20.04 based from the cloudimage...
so netplan has its 50-cloud-init.yaml which just says .. use dhcp
In the background it uses systemd-networkd as backoffice
But how can I advise ubuntu ...
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Define hostapd configuration settings on netplan
I recently discovered that netplan can manage hostapd accesspoints, but this is the extent of the example config:
wlp1s0:
access-points:
"guest":
mode: ap
# no ...
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3
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1
answer
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netplan error, unknown key nameservers
I have an error, but not a spelling error.
Here is my netplan config:
network:
ethernets:
ens32:
addresses: [172.16.120.74/16]
nameservers:
addresses: [127.0.0.53, 172.16.1....
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Bond slave got IP-address from DHCP in Ubuntu 18.04
I setup up a bond with 2 devices in ubuntu 18.04.
It looks like the bond0 is comming and i can ping it, but the physical interfaces got an IP-address from my DHCP-Server, too.
IP-address of ...
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Ubuntu 18.04: Host name changes spontaneously from FQDN to PQDN in DNS
We are running Ubuntu 18.04 LTS with networking configured by Netplan. The network has a Windows DHCP server and a Windows DNS server.
The Ubuntu 18.04 machine uses this Netplan cfg file to obtain a ...
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netplan default gateway / route Internet traffic to WiFi
I need help with a (simple) network configuration with netplan. It is very simple, I have 2 NICs: enp5s0 is ethernet and give access to the company network, and wlp4s0 is WiFi and give access to ...
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Ubuntu Bionic Server edition + Netplan: Not getting static IP on a ethernet connection
Problem: I cannot get a static IP on the ethernet port.
Aim: Trying to setup a static IP on the Realtek built-in ethernet (enp3s0) port so I can connect the server to my desktop via a crossover cable....
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Netplan wireless bridge Ubuntu 18
I am trying to create a bridge for my wireless NIC (wlp4s0) with the intention to provide direct access to it from a KVM. I also intend to share the ethernet NIC the same way, but am only having ...
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How can I override netplan's per-interface nameservers, rather than appending to them?
I have an DigitalOcean server that's being configured via cloud-init. With Ubuntu Bionic Beaver, this creates a netplan file in /etc/netplan/50-cloud-init.yaml that contains nameserver addresses. ...
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How to add static route with preferred source via Netplan in 18.04?
I want to use loopback alias IP for all outcome IP traffic from my Ubuntu server directed to some subnets.
In /etc/network/interfaces that can be done by post-up statement with something like:
/sbin/...
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1
answer
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Share Internet to Ethernet network from wireless connections with netplan
A computer 1 (on Ubuntu server 18.04) is connected through wireless to an access point and through Ethernet to a switch. A computer 2 (resp. 3) is connected to 1 through the switch (resp. the wireless ...
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Network setup with Netplan and bridges
I'm having an issue where any bridge I create with netplan doesn't get an address.
The following starts my NIC and I get a DHCP address:
network:
version: 2
ethernets:
enp0s3:
...
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0
answers
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netplan bridge for one static interface not working
I have a static ip address for interface eno1 which should become a bridge for kvm/qemu. My netplan configuration (Ubuntu 18.04) for the static ip looks like this and is working:
network:
version: ...
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How to get Asus XG-C100C 10G ethernet card working on Ubuntu 18.04
Is there anything you need to do to get this network card working in 18.04? It was working fine in 16.04 with the “atlantic” driver built from sources provided by Asus. After upgrading to 18.04, I can ...
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Ubuntu server 23.04 netplan cloud-init python error
I've tried to find a solution and an answer myself before but didn't succeed.
I recently changed my wi-fi SSID and thus had to reflect that change in my ubuntu server configs.
On the raspi 4 ...
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1
answer
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My Ubuntu client says that the wired connection is unmanaged
This is what is showing when I look at the wired management. I don't know what I did that it's showing all of these and I can no longer access the internet.
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0
answers
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netplan is not concatenating addresses on separate YAML files
I am trying to set up an additional address in an ethernet interface using netplan. The man page for netplan-generate mentions that the sequences for the same key configuration should be concatenated ,...
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answers
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Error on raid 0 when modifying the 00-network-manager-all.yaml file
I was making a change via SSH connection on 00-network-manager-all.yaml file on an Ubuntu Server 18.04 which is hosted on a three disk RAID0. While making the change and executing the command sudo ...
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cannot connect to wwan0 interface
apologies in advance if this is a stupid question.
so i am trying to setup a network connection to my 4g modem using netplan like:
network:
version: 2
renderer: networkd
ethernets:
...
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2
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0
answers
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Netplan adding unwanted default route
I am having one Ubuntu 18.04 server with 2 NIC card. One is for Public network & another is for Private. Both have been assigned static IP Address via Netplan.
network:
version: 2
renderer: ...
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1
answer
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Can't execute `netplan apply` command in Ubuntu 20.04 LTS
The command netplan apply returns some errors when I execute it as root user.
root@szyf1272:/etc/netplan# netplan apply
System has not been booted with systemd as init system (PID 1). Can't operate.
...
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netplan doesn't support loopback routes eg: ip route add local default dev lo table 100
I need to route everything with mark 1 to loopback address. With
ip rule add fwmark 1 table 100
and
ip route add local default dev lo table 100
It works fine. But I want to make it permanent with ...
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0
answers
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Online account can't be added
I wanted to add my work calendar to my home system running Ubuntu 20.04 with Gnome and I get a message indicating there is "no internet connection - connect to set up new online accounts". I'...
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Ubuntu Server 20.04 netplan Static IPs dropped after disconnecting
I am setting static IP addresses for multiple ethernet ports on a machine using netplan. They work until a cable gets disconnected and then reconnected. When I pull a cable and plug it back in I don't ...
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Trouble with Ubuntu 18.04 netplan bridge on hetzner server
i need some help with an hetzner server, netplan and a network-bridge..
I want do setup an kvm under my ubuntu 18.04 hetzner server, who is reachable from outside. So i need a network-bridge.
So i ...
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Can't get networkd-dispatcher scripts working
I need to disable offloading on my Kubernetes host persistently due to various bugs.
I followed the guide here: https://michael.mulqueen.me.uk/2018/08/disable-offloading-netplan-ubuntu/ but the script ...
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0
answers
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Netplan configurations stop working after some time
I have this Ubuntu Server 18.04 LTS running and recently I changed my router subnet to 10.10.1.X.
Also, I set DHCP to assign from 10.10.1.105 - 10.10.1.253 to other devices, since I want 100,101,102 ...
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1
answer
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How to troubleshoot network problems for virtual machines connected via a bridge (Ubuntu 18.04)
On my server (Ubuntu 18.04 LTS) I am running a KVM virtual machine which has been running fine for over a year or so but recently - probably because of some update - the virtual machine would lose ...
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1
answer
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IPv6 source address selection with addrlabel (or similar) with netplan (or similar)
I have using something similar to How to enforce IPv6 source address selection with addrlabel at startup? to configure IPv6 address selection in Ubuntu 16.04.
Now I am deploying Ubuntu 18.04 and the ...
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0
answers
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Ubuntu server 19.04 - share internet over ethernet
I have small nettop with Ubuntu Server 19.04 on it.
On one side, a USB modem is connected (Huawei e5785) with network interface eth_lte. On other side ens2 - 5-port switch where are several computers ...
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2
votes
1
answer
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Add new IP addresses in Ubuntu Server 18.04.1 LTS
I need to add new IP addresses to my server which runs Ubuntu 18.04.1 LTS, then I realised that Ubuntu 18.04 changed network configuration to use netplan.
I read that all configurations are under /...
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1
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Ubuntu Server 18.04 — Use nmcli to (only) discover wifi networks but don’t interfere with netplan and networkd
Ubuntu Server 18.04 now uses netplan to manage ethernet and wifi devices.
I’d like to be able to discover wifi networks via nmcli, as I’d like to use php-wifi in one projects.
Is it somehow possible ...
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Ubuntu 18.04 - why netplan still adds DHCP address?
I'm using Ubuntu 18.04. I added a new NIC (network interface card) to the box and I disabled the old one in BIOS. This is obviously required to amend a configuration. I just simply swapped eth0 with ...
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Netplan - Multiple Nic config
I have a netplan config as follows on fresh install of 18.04:
network:
version: 2
renderer: networkd
ethernets:
ens224:
addresses: [192.168.10.10/24]
nameservers:
...
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0
answers
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DNS no longer working after Ubuntu-Desktop installed
I built a Ubuntu Server 18.04 server to play with Docker and a few other things. When I initially installed Server I had some issues with Netplan and getting DNS (my own server) to work, but I go ...
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bond0: interface ens192 is not defined
I installed ubuntu 18.04, I trying to configure bond interface
network:
bonds:
bond0:
addresses: [10.11.6.119/24]
gateway4: 10.11.6.1
nameservers:
...
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2
answers
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Port 53 use by Netplan
I like working with Ubuntu but today I have a problem. With 18.04 LTS arrived Netplan and systemd-resolve.
I want to deploy CoreDNS on a 18.04 server.
If Netplan is the future then I would like to ...
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Routing IP addresses in Ubuntu 18.04
I have been scratching my head about this all day. Basically, I have several servers on a private network, each with a private IPv6 address assigned and a public IPv4 and IPv6 assigned. I want the ...
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UBUNTU 18.04 Server: multiple netplan route-policy rules, but only one works
UBUNTU SERVER 18.04 LTS with 2 GE NICs
eno1: 172.22.1.1/20
eno2: 10.11.1.34/30
netplan yaml:
network:
version: 2
renderer: networkd
ethernets:
eno1:
addresses: [ 172.22.1.1/20 ]
...
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1
answer
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Find out netplan duid before starting the system
is there a way to find out the duid netplan is using to request the dhcp lease before starting the system. Can it be calculated or triggered from outside?
Use case:
Before netplan, I used the ...
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Netplan - Bridging over a bond on Ubuntu 18.04 KVM host
Sorry in advance for the long post, this has been rattling me days. I've got a server with 4 NIC (eno1, eno2, eno3, eno4). I'm trying to establish the following setup:
Host - Ubuntu Server 18.04 ...
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How do I configure Kickstart network settings with Ubuntu 18.04?
I saw that in Ubuntu Server versions 16.04 and prior, there used to be a way to auto-configure the SystemV networking part of the Ubuntu OS in unattended installs via Kickstart files. However it seems ...
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1
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How to route IP net to interface using netplan
The VLAN of eth0 holds 2 IP nets, from the machine with IP
10.64.0.101/27 (eth0@machine-1) I used to connect to the openVPN server at
10.0.0.41/27 (eth0@machine-2) with the IP range 192.168.0.0/24.
...
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0
answers
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Port Forwarding Ubuntu Server 18.04 with netplan and ufw I have a server with 2 network interfaces
I have an Ubuntu server 18.04 with 2 network interfaces.
enp1s0 has ip address 192.168.0.1/24
enp2s0 is connected to DHCP
I am looking to forward port 8080 from any incoming traffic connected to ...
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