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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Ubuntu Server DNS Problem with Static IP
I am running an Ubuntu Server on my VMBox and need to set static IP. By following the steps described in https://www.techrepublic.com/article/how-to-configure-a-static-ip-address-in-ubuntu-server-18-...
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Malformed Address '10.10.21.08/24', must be X.X.X.X/NN or
I am trying to set a static IP for my ubuntu server by creating a yaml file on /etc/netplan/ as follows:
network:
version: 2
renderer: networkd
ethernets:
enp0s3:
...
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netplan: usage by command line (without manually editing this annoying yaml file)?
It looks like netplan is the future, but compared to this simple command:
ifconfig eth0 192.168.1.1 netmask 255.255.255.0 up
it's much more work to edit the annoying yaml file (the yaml parser feels ...
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Port a working /etc/network/interface set into /etc/netplan/name.yml
I'm using two boards, one running ubuntu desktop 18.04 and one running ubuntu server 18.04. In the desktop board, I have set a vlan by writing the /etc/network/interfaces file as described below (I ...
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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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Fragile netplan file
I have a kvm server that has several vlans on it, and I want to create a bridge for each vlan. Putting together docs from several sites, I've come up with something that sometimes works, and sometimes ...
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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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Ubuntu 18.04 netplan wifi VPN config
On my test-laptop I set up my netplan like this
network:
version: 2
renderer: networkd
ethernets:
enp4s0f1:
dhcp4: yes
dhcp6: no
addresses: [192.168.178.30/24]
...
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Wake On Lan Remote Times Out 18.04
So I have wol working almost perfectly, after I shut down my pc I have approx a one-minute window where my desktop is detected as inactive by my routers 'connected devices' menu and I can send a magic ...
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frustration in netplan
I've been scratching my head the whole day.
I have the following netplan yaml file: (with mac address & ip addresses masked out for privacy)
network:
version: 2
renderer: networkd
ethernets:...
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Netplan interfering with IP assignments?? Ubuntu 18.10
I've got a simple testbed for Ubuntu that I've hit a very unusual issue on. For some reason it appears that my IP addresses are changing between interfraces without any intervention from the user and ...
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Netplan generates the same MAC address for bridges on two different machines
The two machines in question have different MAC addresses for eth0. However, when I apply the following netplan file, I end up with the same MAC address on both machines, which, of course, is kind of ...
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Netplan - Ethernet when available, wifi when not. Reconnect if needed
Note: this question has changed while investigating problem to stay up to date.
Note 2: This question is invalid, the described problem is gone. Askubuntu prevents me from deleting it.
Here is my /...
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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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yaml expected mapping
I am setting up my static ip but i keep getting the error:
Error in network defenition etc/netplan/01-netcfg.yaml line 0 collumn 8: expected mapping.
Here is my config:
network:
version: 2
...
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How do you configure Netplan on Ubuntu to store 802.1x credentials securely?
In an 802.1x enterprise network, I can use NetworkManager to configure 802.1x parameters, including the password. This all works, but requires storing the password in cleartext.
We are trying to use ...
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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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Netplan: ipv6 route on link
I'm trying to declare a static ipv6 route on the link using netplan (more precisely I'm trying to setup a default gateway whose address is not on my interface subnet)
Basically what I'm trying to do ...
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netplan vs NetworkManager on Ubuntu 18.04 and above
What is the concept of renderer in a netplan configuration file?
What practical difference does it make between choosing a networkd and a NetworkNamager renderer?
Can anyone (in the second case) ...
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ubuntu 18.10 how to setup static ip network with local domain search post install
I just tried an install ubuntu 18.10 desktop on my intranet. I did a regular install, then I got a DHCP networking setup, that is ok with me for a fresh install. Then I am on an intranet with our ...
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netplan - two interfaces
I would like to set up two interfaces in one config file of netplan.
Currently I am using this one:
network:
version: 2
renderer: networkd
ethernets:
ens18:
dhcp4: ...
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MACVLAN Bridge in netplan
I configured LXD containers in Ubuntu 18.04 with MACVLAN interfaces so they can DHCP addresses on my LAN. This all works fine, the containers are reachable on my LAN and they can reach each other, but ...
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Error in network definition: unknown key dhcp4-overrides
I am trying to set up Ubuntu 18.04 LTS, which appears to be using netplan to configure networking. In this case I need to override the DNS servers provided by DHCP and use manually assigned ...
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Can't resolve hostnames ubuntu 18.04
Since earlier today i can't resolve any hostname anymore. apt-get update/upgrade fail because of this for example.
I have tried to lookup the IP for some of the sources in /etc/apt/sources/list on ...
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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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How to load saved iptables rules on rebooting [duplicate]
I used pre-up in /etc/network/interfaces. It's strange, I have two Ubuntu server, one a PC and another a VPS. This method works on my PC but not on my VPS.
This is the /etc/network/interfaces on my ...
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How to permanently disable TSO & GSO in Ubuntu 18.04
I'm upgrading my production servers from Ubuntu 14.04 => 18.04 and running into a lot of surprising changes. For example, I'm trying to permanently disable TSO & GSO using ethtool and can't find ...
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apt not working on ubuntu 18.04
Since I've installed 18.04 my network has been a totally nightmare to debug. I'm with this for one day.
I really don't know what's going on. I can access some websites and others not. ping ubuntu.com ...
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Issues setting static IP using netplan Ubuntu Server 18.04 LTS
Having some major issues with networking on Ubuntu 18.04 LTS. Fresh install. I set a static IP during install which worked for a couple days and remained set after multiple reboots. Now the interface ...
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50-cloud-init.yaml, optional: true - will the network interface get initialized if it gets online after the boot sequence?
Good evening
Unfortunately, the Man Page: https://netplan.io/reference
is not precise in the description for the optional (bool) property.
If one interface has this setting:
ethernets:
eth0:
...
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How to use netplan to do the same as was being done using iptables?
I am setting up a new server with 18.04 based on instructions written for 14.04. I have got as far as these steps:
/sbin/iptables -A FORWARD -p tcp --destination-port 80 -j ACCEPT
/sbin/iptables -t ...
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How to configure two static interfaces in virtuabox ubuntu server 18.04 guest using netplan
I'm running an ubuntu server 18.04 under VirtualBox with 2 network adapters: NAT Network (enp0s3) and a Host-only Adapter (enp0s8). I use the NAT to access the internet and the Host-only Adapter to ...
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Disable netplan in install iso
This is not a discussion about netplan, I just want to craft an iso that has netplan disabled.
The FAQ (https://netplan.io/faq#how-to-go-back-to-ifupdown) says "[...]This is done by adding 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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How do I use cloud-init to apply netplan?
After I manually edit /etc/cloud/cloud.cfg.d/50-curtin-networking.cfg, how do I tell cloud-init to update /etc/netplan/50-cloud-init.yaml? In other words, it doesn't make sense to manually update both ...
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What does "changes to it will not persist across an instance" actually mean in 50-cloud-init.yaml
In recent Ubuntu, netplan is the default way of configuring network adapters. I want a static IP on one of mine, and there are some guides on how to do that. Some point you to editing 50-cloud-init....
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Bridging, bonding and netplan
I'm trying to set up a bridge over a bond for LXD using netplan.
This is my current configuration:
network:
version: 2
renderer: networkd
ethernets:
id0:
match: {name: "eno[1-2]"}
...
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How can I use netplan for DNS domains?
I am wondering if I actually need dnsmasq or Bind to apply the following simple DNS server rule:
Forward DNS lookups for *.mydomain.com to 10.0.0.2;
Forward DNS lookups for anything else to 8.8.8.8 ...
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Policy Routing with NetPlan on TUN interfaces
I am trying to set up an OpenVPN server on Ubuntu 18.04 in AWS in routed mode, using a tun interface (not tap). The server sits in a public subnet, with an attached ENI in a private subnet.
All is ...
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Netplan - Multiple ssids with different static IP on the same interface
I have successfully set up a wifi network configuration like this:
network:
version: 2
renderer: networkd
wifis:
wlxf8d1111b0d78:
addresses: [10.0.0.69/24]
gateway4: 10.0.0.138
...
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LXD: how to avoid double default gateway in ubuntu 18.04?
UPDATE 2
Top posting because it is needed to apply the suggested solution.
Found on second answer to this question: Can netplan configured nameservers supersede (not merge with) the DHCP nameservers:
...
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Can't SSH to Raspberry Pi via wired connection with static IP
My Raspberry Pi 3B+ is running on Ubuntu Server 18.04. I have it connected to my PC via ethernet dongle in link-local mode.
I tried adding a static IP on the Pi with netplan, but I couldn't connect ...
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Serving DHCP Under Ubuntu 18.04 [duplicate]
Problem Summary
I have two network interfaces in the machine, and need them to behave in the following way:
enp3s0: Main network interface for the machine. Receive over DHCP an IP address (will be ...
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Invalid YAML for netplan: mapping values
So, I am trying to set a static IP address for my Ubuntu Server 18.04.1 LTS. I
took the ethernet config from this
site.
network:
version: 2
renderer: networkd
ethernets:
enp3s0:
dhcp4:...
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Unable to connect using wifi on Ubuntu server 18.04 LTS using netplan, wired works fine
Newbie Ubuntu user here, I'm trying to connect wirelessly using netplan, but for the life of me can't work out why it's not working, I have no problem connecting through Ethernet.
I'm on a newly ...
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networkd status - wlp1s0: Could not join netdev: Operation not supported
I'm struggling on using the wlan on a server 18.04.
this is my 01-netcfg.yaml:
network:
version: 2
renderer: networkd
ethernets:
enp2s0:
dhcp4: yes
optional: true
enp3s0:
...
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Netplan directly connected gateway
I'm trying to set up a server with 192.... addresses that is able to access the outside world using the gateway provided by my colo. I'm looking at the "Directly connected gateway" example at https://...
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1
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Netplan configuration doesn't seem to be taking effect
After configuring a static ip address in /etc/netplan/01-network-manager-all.yaml for my wlan interface, the ip address nor the dns changed.
I used sudo netplan generate and sudo netplan apply, but ...
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Netplan - configuring 2 vlan on same bonding
On my Ubuntu servers (16.04) I used to create a bonding between 2 interfaces and set 2 adresses on it from 2 different vlan.
I can't manage to create the same configuration with Netplan for my new ...
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How do I configure DHCP bridge with netplan for KVM on Ubuntu 18.04 LTS?
I recently installed KVM on Ubuntu 18.04 with requisite tools like virt-manager, libvirt, and qemu.
My problem is that the VMs I spin up are not connected to internet. Some give me an error message ...
