Mon cheri > Sent: Friday, March 25, 2022 at 10:09 AM > From: "David Wright" <deb...@lionunicorn.co.uk> > To: debian-user@lists.debian.org > Subject: Re: Under each of these scenarios, what is the neatest and simplest > way to manipulate the /etc/network/interfaces file? > > Please elaborate on what you mean by "correct" in this context, > and also give your opinion on the correctness or otherwise of > this line: > > source-directory /etc/network/interfaces.d > > Without knowing the reasoning behind your statement, there's > not a lot more help I can give. >
My distro is Debian 11 Attempt #1 When the /etc/network/interfaces file has the line source-directory /etc/network/interfaces.d/* and the following three files have the .hidden in /etc/network/interfaces.d/ lan.hidden usb0.hidden wlo1.hidden Upon reboot and in a terminal: username@hostname:~$ ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever 2: wlo1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether e5:d3:a2:b9:c3:27 brd ff:ff:ff:ff:ff:ff altname wln0s7 username@hostname:~$ sudo ifup wlo1.hidden [sudo] password for username: ifup: unknown interface wlo1.hidden username@hostname:~$ sudo ifup wlo1 ifup: unknown interface wlo1 username@hostname:~$ Attempt #2 When the /etc/network/interfaces file has the line source-directory /etc/network/interfaces.d/* and the following three files do NOT have the .hidden in /etc/network/interfaces.d/ lan usb0 wlo1 Upon reboot and in a terminal: username@hostname:~$ ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever 2: wlo1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000 link/ether e5:d3:a2:b9:c3:27 brd ff:ff:ff:ff:ff:ff altname wln0s7 inet 192.168.43.51/24 brd 192.168.43.255 scope global dynamic wlo1 valid_lft 3576sec preferred_lft 3576sec username@hostname:~$ Best wishes. Stella