Xmodulo shows you how to disable Network Manager on Linux
Network Manager is a feature-rich network configuration service which is used by default in most Linux desktop environments nowadays. It provides automatic configuration of (wired/wireless) network interfaces, as well as VPN, mobile broadband and even Bluetooth connections. Network Manager is smart enough to automatically switch to the best (or the most recent) connection network, and can inform other applications of up-to-date network events via D-Bus API.How to disable Network Manager on Linux
While Network Manager comes with various sophisticated features, you might just prefer the old plain network service. This tutorial describes how to disable Network Manager in various Linux desktop environments.