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Questions tagged [systemd-networkd]

systemd-networkd is a system daemon that manages network configurations.

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Netplan does not apply on startup on Ubuntu 20.04 server distro

After every boot, netplan apply needs to execute to connect to internet. Tried below solutions https://bugs.launchpad.net/ubuntu/+source/netplan.io/+bug/1879592/comments/3 https://askubuntu.com/a/...
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Ubuntu 22.04 LTS / Qualcomm Snapdragon X55 5G / NetworkManager config

I am having problems getting the Network Manager in Ubuntu 22.04 LTS to correctly turn on the onboard Qualcomm Snapdragon X55 5G modem. If I try it seems NM tries to configure the connection, but ...
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Can I disable networkd-dispatcher log messages for Docker interfaces?

I'm using Docker 20.10.14 on Ubuntu 22.04 Server where I'm running a number of containers, and I'm using Watchtower to automatically update the containers. Since I updated to Ubuntu 22.04, I've been ...
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How to automatically enable Wake-on-LAN for a network interface on Ubuntu 20.04?

Ubuntu's networking stack is constantly evolving and most previous information on enabling Wake-on-LAN for an interface is outdated (like the Ubuntu wiki). Now that Ubuntu uses Netplan instead of /etc/...
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Netplan DNS nameserver setting not being applied

I'm renting a VPS from Linode with Ubuntu 20.04 LTS (Focal Fossa) installed on it. But the default DNS server from Linode doesn't resolve a domain name which I really need it to resolve. Therefore, I ...
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focal - prevent networkd from performing a dhcprelease

We have an issue with focal/networkd and our dhcp-server which gives some (not all) hosts a new ipaddress when they reboot. The network guys says it is due to the dhclient sends a DHCPRELEASE so I ...
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Two IPs on different subnets on one interface. UBUNTU 18.04

I hope someone can help. I turn to the askubuntu website, because I have visited various forums and tried different configurations, but I cannot get the configuration The problem I have is that I need ...
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How can I set the hardware mac address permanently?

I have a headless ARM server running 20.04.4, which for reasons I cannot understand has all it's NICs with hardware macs of all zeros, and sets the current mac randomly on every reboot. ╰─ macchanger ...
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Netplan with Two Gateway Subnets on Same Port

Trying to configure an Ubuntu 18.04 machine with two IP addresses on different subnets on one ethernet port, each with a gateway so port forwarding works from different routers. This was based on the ...
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systemd networking basics: cannot switch from DHCP to static IP address

I'm just starting with systemd networking, and I can't set up a new system with a static IP address. This is a default Ubuntu 20.04 server, and network-manager and ifupdown are not installed (so no /...
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Can I use both systemd-networkd and NetworkManager, or is there an GUI/ncurses alternative to Network Manager?

I am getting used to netplan.io on my laptop after routinely uninstalling it for several years in favor of ifupdown. This is probably far-fetched, but since it's running a desktop front-end (plasma), ...
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How to setup netplan/networkd to detect an IP conflict being putting networking online?

We've hit an issue where our Ubuntu 20.04 systems seem to bring networking up without verifying there's no IP conflict that will occur. Our Red Hat based systems check for any collision and if ...
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Networking: 4 Separate Subnets Default Route Consistency Warning?

Just installed Ubuntu and one of my network card ports does not work and has no ping to it's IP - eno2. Netplan as configured during install: # This is the network config written by 'subiquity' ...
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Cannot accept IPv6 router advertisements

No matter what I try, my Ubuntu Server machine (bare metal) won't accept router advertisements. I am able to pull an IPv6 address from DHCP, ping that address from another machine, but trying to ping ...
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netplan networkd no ipv4 from dhcp

I've been trying to have ubuntu server running on my MacBook Pro (15-inch, Late 2011) for the whole day, both 20.04 and 21.10, fighting with netplan and I cannot seem to be able to have ens9 (...
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How to upgrade SystemD to 246+ on Ubuntu 20.04?

I'm using ROS on Ubuntu 20.04 with a CAN-FD adapter card. In systemd 246+ (20.04 uses 245), systemd-networkd adds support for CAN-FD specific settings to allow the system to boot automatically. Is ...
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systemd-resolve not apply settings based on network interface

I want to config systemd-resolve for working with different dns servers based on network interface. But when I create config un the /etc/systemd/network/tun.network nothing is happen. My tun.network ...
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Can't change default connection in Network Manager

I know that ubuntu-server uses networkd by default but some features of gnome doesn't play well with it so I'm trying to replace with Network Manager. The problem is that Network Manager's default ...
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Ordering of Interface Configuration with systemd-networkd

I'm using Ubuntu 20.04, with systemd-networkd and Netplan. I have two physical interfaces (ens3 and ens4) which are configured by DHCP (with reservations, so I always get the same addresses). ...
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Netplan error when trying a configuration

I am running Ubuntu server 20.04.3 LTS on a remote Raspberry Pi 4. It is connected through WiFi to a remote router (IP 192.168.1.1), and I had configured networking with netplan. However after some ...
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systemd-networkd config interface to try dhcp first then use static

Does systemd-networkd have some kind of mechanism that let me configure network interface to try dhcp first and if failed, use a predefined static address?
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how can i ensure ubuntu wireless reconnects when there is a network

Have checked multiple posts but none seems to give an idea as to why this is happening.. I have multiple ubuntu devices Laptop running Ubuntu 20.04 off a permanent live USB Mini cpu running Ubuntu 18....
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2 answers
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removing netplan to use systemd-networkd directly

I want to configure networking using bare systemd-networkd. Instructions are here: https://wiki.archlinux.org/title/systemd-networkd#Wired_adapter_using_a_static_IP I haven't used NetworkManager for ...
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netplan conflicts when changing AP when rederer: NetworkManager

I'm having some problems setting up the "access-points": in netplan , when the renderer: NetworkManager . My yaml is cat /etc/netplan/00-installer-config.yaml network: version: 2 ...
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netplan using wrong backends

Background I have a netplan .yaml configuration file in /etc/netplan/. The first few lines are as follows: network: version: 2 renderer: networkd ethernets: # ...and so it continues... When I ...
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Netplan bridge master getting a static IP address instead of the bridge

I am trying to configure a bridge for KVM guests and host connectivity. The bridge is never configured right, the physical NIC always ends up getting the static IP address and the bridge is assigned a ...
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How to disable sharing/cast from Ubuntu

while watching a video on YouTube, there’s a cast button on bottom right which casts my Content to smart home devices like Alexa or Google home. Which package on Ubuntu is responsible for it and how ...
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Systemd-networkd has to be manually restarted each boot

I need to restart systemd-networkd each time I reboot my server. It fails to start each boot and the status of the service after boot is this as follows. If I restart the service once booted it works ...
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netplan switch connection on renderer networkd

I have installed on rpi4 8Gb an ubuntu 20.04 server image for rpi4 64Bit then I have installed ubuntu-desktop I have problem on wifi and setup this bug I have disable NetworkManager thinking the ...
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Can't disable local addresses on network interfaces

My server: ASRock B450M/ac (RealTek 8111/8168/8411) Ryzen 5 3400G 64GB System Memory Rosewill RC-411v3 (RealTek 8111/8168/8411) My Computer: Ryzen 7 2700X 32GB System Memory MSI X470 Gaming Pro ...
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Ubuntu server 16.04 - Setup static IP on independent network switch (No Internet Network switch)

Please consider this. Scenario: The Device I'm using has Ubuntu server 16.04 installed. It is connected to a NETGEAR network switch but it has no internet access. Tried: Case 1) In the /etc/network/...
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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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On ubuntu-server with UI, the wifi connection fails without asking password

I'm using a ubuntu-server 20.04 image as desktop (UI installed via tasksel). I've been failing to set up a wifi connection for a week+ so here we are. When using Network-Manager I can see my network ...
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networkd and wpa_supplicant with roaming

I've just switched from 16.04 to 18.04 and I'm having issues when I do a wireless roam. My use case involves heavy roaming and I need to make roams as transparent as possible (ideally < 50ms). I ...
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Can I enable dhcp4 on all interfaces globally without knowing the interface names with netplan and networkd?

Can I enable DHCP4on all interfaces globally without knowing the interface names with netplan? I might add any USB connected ethernet NIC, and I just want any of them to get the network config via ...
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1 answer
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Cannot connect to Wi-Fi Ubuntu 20.04 server

I cannot connect to my Wi-Fi network on my freshly installed Ubuntu 20.04 server (no other packages except wireless-tools were installed). First, I checked (with lspci) that my Wi-Fi adapter (Network ...
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VMWare Can't Connect To Internet

I am using VMWare ESXi 6.5 with OVH and I am trying to setup an ubuntu 18.04 server. I have successfully created the machine but I am having issues setting up the network connection. I have followed ...
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Did an Ubuntu update uninstall netplan and mask networkd?

On my Ubutntu 18.04 LTS server (with desktop added later), I was using netplan and networkd (tried to switch back to ifup a couple of months ago but figured I better get used to netplan). Strangely, ...
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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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Can I use systemd-network without netplan and ifupdown?

I'm not sure I completely understood the whole relationships between ifupdown, systemd-networkd and netplan. I think netplan transforms its YAML configuration into a more verbose systemd-network ...
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Netplan on Ubuntu 18.04 with multiple interfaces connected to internet

I am using netplan to configure the interfaces on Ubuntu 18.04, but there are a few issues. First, the metric does not seem to be working as it is set to 0. Second, once I use networkd the whole ...
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Ubuntu 18.04 taking atleast 4 min to boot up and show blank screen while boot up

I tried to look at critical chain and I managed to fix some but couldn't find more on this. I also tried to remove snap packages and their dependencies. Earlier systemd-journal-flush was also making ...
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Reliably apply all settings provided by DHCP including NTP servers in Ubuntu 18.04 desktop

In summary: I would like to find a way that allows my wired network connection to properly use all of the information supplied by my dhcp server and still allow gnome to realize that there is an ...
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Changing the DNS servers Ubuntu Server 20.04 - Arm64 (Raspi)

I am running Ubuntu server 20.04 on a Raspberry Pi 4 and I am having difficulty updating the DNS entry in resolv.conf. resolv.conf points to the nameserver 127.0.0.53; however, I disabled the systemd-...
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how to set hostname via DHCP in Ubuntu 20.04 or 18.04?

I'm new to the systemd world (and Ubuntu in general), but I tried to dig as deep as I could to try to answer this question myself, but not really getting anywhere. I'm setting up VMs for both Ubuntu ...
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3 votes
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What is creating /run/netplan/eth0.yaml?

Something is creating /run/netplan/eth0.yaml at boot and I can't figure out what it is. (I'm running 18.04 Bionic Beaver.) That file is causing eth0 to be managed by systemd-networkd but I want it to ...
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1 answer
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netplan nameserver settings not used in nslookup for specific interface

I have been researching and trying stuff out all morning and I can't seem to wrap my head around it. Bear with me, in case I am missing something basic here. The Scenario: I have configured ...
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systemd-networkd - interface goes down while renewing lease

I am using Ubuntu as my home router and since migrating from Funtoo/Gentoo, I noticed I periodically have connection drops whereas I did not before. Looking further at the logs, I see my external ...
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2 answers
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Boot process hangs at systemd-networkd-wait-online

When i want to boot up my laptop it shows this error to me [FAILED] Failed to start Dispatcher daemon for systemd-networkd and this is what happens Please help me.
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hostname is not set from DHCP server

I am using netplan to configure my wired interface via DHCP: network: version: 2 renderer: networkd ethernets: eno1: dhcp4: yes dhcp6: no I uninstalled dhclient and installed ...
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