Questions tagged [systemd-networkd]

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

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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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1answer
36 views

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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64 views

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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109 views

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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After image rollback, journald, logind, netword, resolved, timesync and udevd all failed

New to Ubuntu/Linux and this forum. Apologies in advance for any missteps on posting protocol. Running Ubuntu 20.04 on a VPS After rolling back to previous VPS image, I am not longer able to ssh into ...
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1answer
311 views

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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1answer
229 views

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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37 views

Metric Number Not Applying to Interfaces

I am attempting to get 3 network interfaces working on my desktop: internet - 10.0.0.1/24 servernet20 - 10.20.0.1/24 servernet30 - 10.30.0.1/24 the metric numbers are not applying and for some ...
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1answer
200 views

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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Why is systemd-networkd failing to activate the configuration

I currently have an arcane network set-up using iproute2 commands to bring up networking after boot as a system service. So, I tried creating the equivalent config in systemd-networkd, but failed. You ...
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1answer
385 views

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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168 views

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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427 views

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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1answer
68 views

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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76 views

Change ethernet device from Network Manager to networkd

I did a fresh install of 20.04. It configured my ethernet device using the "new" netplan system and rendered by networkd. It worked fine. I added a wifi adapter based on the infamous ax200, ...
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1answer
1k views

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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1answer
415 views

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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491 views

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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1answer
701 views

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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1answer
1k views

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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1answer
392 views

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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1answer
607 views

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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1answer
581 views

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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1answer
182 views

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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1answer
417 views

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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2answers
8k views

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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587 views

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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1answer
2k views

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 ...
1
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1answer
453 views

18.04 server Network is unreachable

My Server was working great until TimeTrex (A PHP based Payroll Application needed updating for the new Tax Tables. The install went in clean but now the system says the network is unreachable. I ran ...
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1answer
435 views

How to enable screen sharing when using networkd in netplan in Ubuntu 18.04.3?

I have configured a bond and 2 other network ports in my netplan configuration file, which works fine. The problem I face now is that I can not find a way to enable screen sharing since no networks ...
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1answer
372 views

ICMP is not getting disabled

I am trying to disable ICMP services. For this the following configuration lines have been added into the /etc/sysctl.conf file net.ipv4.icmp_echo_ignore_all = 1 net.ipv4....
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3k views

I can't get into my desktop, problems with systemd-networkd

I've been using Ubuntu 18.04 for few months now so I'm pretty new here. It's giving me this error when I want to boot up my laptop. It says: [FAILED] Failed to start dispatcher daemon for systemd-...
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1answer
224 views

Ubuntu with 2 static IP interfaces gets 2 default routes

Unfortunately the solution provided to a similar question does not seem to apply here; it explains how to override the settings for DHCP. I have 2 static interfaces. The system was working as ...
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1answer
1k views

18.04 server unreachable on secondary network interfaces

After seventeen years since last touching Linux (Red Hat), I've come back to work on Ubuntu 18.04 servers. I see plenty have changed, including the foundational init system systemd, which appeared to ...
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1answer
9k views

Renew DHCP lease in systemd-networkd

I have my eth0 interface configured for DHCPv4 via netplan: network: version: 2 renderer: networkd ethernets: eth0: dhcp4: true dhcp6: true ...
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1answer
2k views

/etc/network/interfaces, systemd-networkd and NetworkManager: how do they coexist together?

Is it sufficient to have one of these three in Ubuntu 19.04? Is it possible to have all three and how to configure them so they were not conflicting? Does systemd-networkd started by networking....
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1answer
365 views

Assigning Unique Local Addresses to the loopback interface

I have Ubuntu 18.04.2, upgraded from 16:04. Previously I had an IPv6 ULA (Unique Local Address) assigned to the loopback interface in /etc/network/interfaces. I tried to make the same assignment in ...
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2answers
769 views

isc-dhcp-server and systemd-networkd

Does systemd-networkd implement a DHCP server or does it work with isc-dhcp-server? I am attempt to implement a gateway/router using 18.04 LTS server. I am reading the man page regarding the systemd-...
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88 views

Need gateway/router example using systemd-networkd

Is there a good Ubuntu example of gateway/router using systemd-networkd? I am trying to find an Ubuntu example of a gateway/router where eth0 is the WAN and eth1 ... ethN are the LAN using systemd-...
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1answer
155 views

DRBD8 with Systemd-Networkd (Netplan)

This is the first time I am configuring DRBD(drbd-utils 8.9.10-2) on a Ubuntu 18.04 with systemd-networkd (using netplan). Generally the setup seems successful. I have one resource that is being ...
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5k views

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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1answer
1k views

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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1answer
727 views

How do I enable systemd units to run at first boot?

I have a bionic image built using debootstrap. I have neither netplan nor NetworkManager installed, but networkd does not start at boot. # grep networkd /lib/systemd/system-preset/90-systemd.preset ...
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1answer
323 views

Long bootup time with bridge configured in netplan in 18.04

In Ubuntu 18.04 the default network configuration is done with netplan. I have a setup which creates a bridge interface at startup, see below. It all works great, except that during startup it runs ...
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370 views

Slow Boot time apt-daily-upgrade.service and apt-daily.service on Xubuntu 18.04 - ASUS K70IO laptop [duplicate]

I'm on Xubuntu 18.04, yet recently my old laptop is very slow to boot . I've been hunting on the internet but I am unable to find any solution. Please help, ASUS K70IO NVIDIA GeForce GT 120M ...