On Mon, Feb 28, 2022 at 07:49:32PM +0100, Stella Ashburne wrote: > I quote from Debian Wiki (https://wiki.debian.org/WiFi/HowToUse) : > > "Restrict the permissions of /etc/network/interfaces, to prevent pre-shared > key (PSK) disclosure (alternatively use a separate config file such as > /etc/network/interfaces.d/wlan0 on newer Debian versions): " > > What should I put in the file called wlan0? Said wiki does not provide > examples.
man 5 interfaces provides the relevant bits: by default, the files
in interfaces.d are (textually) included in interfaces. So each
of those files can basically have a "snippet" of what you would
put in interfaces (to avoid losing sanity, whole stanzas seem
recommendable).
So if you have this in your /etc/network/interfaces somewhere:
...
## Bahn ICE
iface wlan0 inet dhcp
wireless-essid WIFIonICE
wireless-mode Auto
...
(it's actually my current setting, BTW :) you could swap that
out to some file under interfaces.d.
Cheers
--
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