Netplan
Netplan is a YAML-based network configuration utility for Linux systems, primarily used in Ubuntu and other distributions. It provides a declarative approach to network configuration by reading YAML files and generating backend-specific configurations for network daemons like systemd-networkd or NetworkManager. This abstraction simplifies network setup and ensures consistency across different Linux environments.
Developers should learn Netplan when working with Ubuntu servers or cloud instances, as it is the default network configuration tool in Ubuntu 18.04 and later. It is particularly useful for automating network setups in DevOps, cloud deployments, and containerized environments, where reproducible and scriptable configurations are essential. Netplan's YAML syntax makes it easier to manage complex network settings compared to traditional configuration files.