Using NetworkManager to permanently set an interface administratively down

This blog post discusses how to permanently set a network interface administratively down using NetworkManager and nmcli commands, detailing both legacy and newer methods introduced in NetworkManager version 1.57. The article explains the reasons why certain interfaces should remain down across reboots and provides practical commands for both the old and new methods to achieve this. It emphasizes the simplicity of the newer approach, which does not require special configuration files, thus streamlining the process for developers and system administrators.