Nov 28, 2020
How to configure systemd-networkd | My minimalistic networking manager
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How to configure systemd-networkd | My minimalistic networking manager
Explains how to change netplan renderer from systemd-networkd to NetworkManager as the backend for netplan on Ubuntu Linux.
Not a fan of systemd-neworkd CLI tools? Want to use easy to use GUI tool for Ubuntu Linux desktop for networking config? See how to change netplan renderer in Ubuntu Linux to NetworkManager.
Systemd containers
Docker is not the only containers engine in the market. One of the most interesting alternatives are the systemd containers, a solution tightly integrated with the operating system internals. Systemd containers are build around systemd-nspawn and systemd-machined (a tiny daemon that tracks locally running Virtual Machines and Containers in various ways).
In the network part of this equation we can find
systemd-networkd, a daemon that, when a virtual Ethernet tunnel appears for a container, picks an IP range for the container, run a DHCP server for it, set up IPv4LL, set up network address translation, etc.
systemd-resolved, a centralized daemon that maintains a single, global cache for names resolutions, performing lookups with LLMNR.