Debian’s ifupdown is a Dumpster Fire

Debian, in a case of being Debian that surprises absolutely noone, has a networking tool called ifupdown , alternatively known as /etc/network/interfaces (the config file) or by the binary names ifup and ifdown . This is not a standard cross-distro tool, but it’s also not the only way of doing network configuration on Debian. In fact, the first section on the Wiki page is literally called 4 ways…