How I migrated to NetworkManager keyfiles for configuration

NetworkManager was introduced in 2004 to make network configuration more flexible and dynamic. The old SystemV startup shell scripts, of which the interface configuration files were a part, were incapable of handling WiFi, wired, VPNs, broadband modems, and more—or at least incapable of doing it quickly or efficiently. In a series of articles, I’ve written about why I’m a fan of NetworkManager and how I’ve used it.