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Is there an external DHCP client for systemd networkd?
Just in case people aren’t aware – systemd-networkd now contains its own in-built DHCP client implementation so no external DHCP clients would be started unless they’re configured elsewhere. The configuration is controlled by a number of configuration files as described in the systemd-networkd man page.
How is the configuration of systemd-networkd controlled?
The configuration is controlled by a number of configuration files as described in the systemd-networkd man page. With Ubuntu18.04 network configuration ( / {lib,etc,run}/netplan/*.yaml) is now controlled by netplan which will generate configuration files for systemd-networkd ( / {lib,etc,run}/systemd/network/ ).
What is the purpose of systemd-networkd in Linux?
systemd-networkd systemd-networkd is a system daemon that manages network configurations. It detects and configures network devices as they appear; it can also create virtual network devices. This service can be especially useful to set up complex network configurations for a container managed by systemd-nspawn or for virtual machines.
Why does the DHCP client need to be run manually?
Any ideas why the DHCP client needs to be run manually to get it working? Just in case people aren’t aware – systemd-networkd now contains its own in-built DHCP client implementation so no external DHCP clients would be started unless they’re configured elsewhere.
When does systemd cause a script to execute after networking has?
The current version of systemd-networkd blocks your service until all devices are configured as requested. It is easier in that it currently only supports configurations that are applied at boot time (more specifically the startup time of `systemd-networkd.service).
How to run script after ISC DHCP client?
For now, ISC DHCP client ( dhclient) still reign supreme, particularly in custom DHCP-Option needed by many ISP’s DHCP servers (I’m looking at you, Juniper Networks), as well as supporting OS-scripting. Last step is to have systemd fire up the ISC DHCP client as a daemon. Create a file in /etc/systemd/system/[email protected].