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Re: What should I put inside the file called wlan0?

From David Wright <deblis@lionunicorn.co.uk>
Newsgroups linux.debian.user
Subject Re: What should I put inside the file called wlan0?
Date 2022-03-03 17:00 +0100
Message-ID <DWW1Y-5CdK-3@gated-at.bofh.it> (permalink)
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On Wed 02 Mar 2022 at 17:59:07 (+0000), Brian wrote:
> On Wed 02 Mar 2022 at 09:01:55 +0100, Stella Ashburne wrote:
> > From: "David Wright" <deblis@lionunicorn.co.uk>
> > >
> > > As long as you have "source /etc/network/interfaces.d/*" in your
> > > /e/n/interfaces file, then you can call the file wlp7s0, or wlp3s0,
> > > or anything else, and it will be read. That line in quotes is now
> > > the default in Debian.
> > 
> > Just so to be clear......
> > 
> > The contents of my /etc/network/interfaces file are:

[ … ]

> > Are you saying that my /etc/network/interfaces file may look like the following so long as the line "source /etc/network/interfaces.d/*" (without quotes) is present?
> 
> Correct, although I do nit understand what you gain from using
> /etc/network/interfaces.d/.

It allows you to configure each interface for each network in
individual files, which simplifies adding/removing/editing them
(or tailoring their permissions).

In addition, when using "source-directory"¹, you can leave all the
configuration files in place, and deactivate them by, say, adding
a disallowed character to their filenames, rather than having to
remove them.

More and more of the system configuration files are being split up
in this manner.

BTW, I would add that, though I have a reputation with the OP for
not recommending man pages, the paragraph in   man interfaces
that's headed "INCLUDING OTHER FILES" should make it very clear
what the relationship is between the /e/n/interfaces file itself
and any files placed in the /e/n/interfaces.d/ directory.

¹ I think source-directory was the default with buster, looking
  at the netinst ISO. But one of my first actions on any new
  installation is to overwrite the networking files.

Cheers,
David.

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Thread

What should I put inside the file called wlan0? Stella Ashburne <rewefie@gmx.com> - 2022-02-28 19:50 +0100
  Re: What should I put inside the file called wlan0? <tomas@tuxteam.de> - 2022-02-28 20:20 +0100
    Re: What should I put inside the file called wlan0? Stella Ashburne <rewefie@gmx.com> - 2022-02-28 21:00 +0100
      Re: What should I put inside the file called wlan0? tomas@tuxteam.de - 2022-02-28 21:30 +0100
        Re: What should I put inside the file called wlan0? Stella Ashburne <rewefie@gmx.com> - 2022-02-28 22:50 +0100
      Re: What should I put inside the file called wlan0? <tomas@tuxteam.de> - 2022-02-28 21:30 +0100
        Re: What should I put inside the file called wlan0? Stella Ashburne <rewefie@gmx.com> - 2022-02-28 22:50 +0100
          Re: What should I put inside the file called wlan0? tomas@tuxteam.de - 2022-03-01 07:40 +0100
            Re: What should I put inside the file called wlan0? Brian <ad44@cityscape.co.uk> - 2022-03-01 13:20 +0100
              Re: What should I put inside the file called wlan0? Stella Ashburne <rewefie@gmx.com> - 2022-03-01 15:30 +0100
                Re: What should I put inside the file called wlan0? Brian <ad44@cityscape.co.uk> - 2022-03-01 16:00 +0100
            Re: What should I put inside the file called wlan0? Stefan Monnier <monnier@iro.umontreal.ca> - 2022-03-01 15:20 +0100
              Re: What should I put inside the file called wlan0? <tomas@tuxteam.de> - 2022-03-01 15:50 +0100
      Re: What should I put inside the file called wlan0? Tim Woodall <debianuser@woodall.me.uk> - 2022-03-01 13:20 +0100
        Re: What should I put inside the file called wlan0? <tomas@tuxteam.de> - 2022-03-01 13:30 +0100
          Re: What should I put inside the file called wlan0? David Wright <deblis@lionunicorn.co.uk> - 2022-03-01 15:40 +0100
            Re: What should I put inside the file called wlan0? <tomas@tuxteam.de> - 2022-03-01 15:50 +0100
        Re: What should I put inside the file called wlan0? Stella Ashburne <rewefie@gmx.com> - 2022-03-01 15:40 +0100
          Re: What should I put inside the file called wlan0? Tim Woodall <debianuser@woodall.me.uk> - 2022-03-01 15:50 +0100
            Re: What should I put inside the file called wlan0? Greg Wooledge <greg@wooledge.org> - 2022-03-01 16:00 +0100
              Re: What should I put inside the file called wlan0? Tim Woodall <debianuser@woodall.me.uk> - 2022-03-01 16:40 +0100
                wikis: moin-moin : plain text (was: Re: What should I put inside the file called wlan0?) rhkramer@gmail.com - 2022-03-03 14:50 +0100
                Re: wikis: moin-moin : plain text (was: Re: What should I put inside  the file called wlan0?) Greg Wooledge <greg@wooledge.org> - 2022-03-03 15:00 +0100
                Re: wikis: moin-moin : plain text (was: Re: What should I put inside  the file called wlan0?) Tim Woodall <debianuser@woodall.me.uk> - 2022-03-03 15:50 +0100
      Re: What should I put inside the file called wlan0? David Wright <deblis@lionunicorn.co.uk> - 2022-03-01 17:30 +0100
        Re: What should I put inside the file called wlan0? Stella Ashburne <rewefie@gmx.com> - 2022-03-02 09:10 +0100
          Re: What should I put inside the file called wlan0? Brian <ad44@cityscape.co.uk> - 2022-03-02 19:00 +0100
            Re: What should I put inside the file called wlan0? Stella Ashburne <rewefie@gmx.com> - 2022-03-03 09:00 +0100
              Re: What should I put inside the file called wlan0? Tim Woodall <debianuser@woodall.me.uk> - 2022-03-03 12:30 +0100
                Re: What should I put inside the file called wlan0? Stella Ashburne <rewefie@gmx.com> - 2022-03-03 19:30 +0100
                Re: What should I put inside the file called wlan0? Brian <ad44@cityscape.co.uk> - 2022-03-03 19:50 +0100
                Re: What should I put inside the file called wlan0? Stella Ashburne <rewefie@gmx.com> - 2022-03-03 20:00 +0100
            Re: What should I put inside the file called wlan0? David Wright <deblis@lionunicorn.co.uk> - 2022-03-03 17:00 +0100
              Re: What should I put inside the file called wlan0? Stella Ashburne <rewefie@gmx.com> - 2022-03-03 19:50 +0100
                Re: What should I put inside the file called wlan0? <tomas@tuxteam.de> - 2022-03-03 21:00 +0100
                Re: What should I put inside the file called wlan0? David Wright <deblis@lionunicorn.co.uk> - 2022-03-08 16:20 +0100
            Re: What should I put inside the file called wlan0? Stella Ashburne <rewefie@gmx.com> - 2022-03-03 19:40 +0100
              Re: What should I put inside the file called wlan0? Brian <ad44@cityscape.co.uk> - 2022-03-03 19:50 +0100
                Re: What should I put inside the file called wlan0? Brian <ad44@cityscape.co.uk> - 2022-03-03 20:00 +0100
                Re: What should I put inside the file called wlan0? Stella Ashburne <rewefie@gmx.com> - 2022-03-03 20:00 +0100
          Re: What should I put inside the file called wlan0? David Wright <deblis@lionunicorn.co.uk> - 2022-03-08 16:20 +0100
  Re: What should I put inside the file called wlan0? Brian <ad44@cityscape.co.uk> - 2022-02-28 21:10 +0100
    Re: What should I put inside the file called wlan0? Stella Ashburne <rewefie@gmx.com> - 2022-02-28 21:20 +0100
      Re: What should I put inside the file called wlan0? Brian <ad44@cityscape.co.uk> - 2022-03-01 00:20 +0100
        Re: What should I put inside the file called wlan0? Stella Ashburne <rewefie@gmx.com> - 2022-03-01 06:10 +0100
          Re: What should I put inside the file called wlan0? Markus Schönhaber <debian-user@list-post.mks-mail.de> - 2022-03-01 09:00 +0100
            Re: What should I put inside the file called wlan0? Stella Ashburne <rewefie@gmx.com> - 2022-03-01 12:10 +0100
        Re: What should I put inside the file called wlan0? <tomas@tuxteam.de> - 2022-03-01 07:50 +0100
  Re: What should I put inside the file called wlan0? Nicolas George <george@nsup.org> - 2022-02-28 22:20 +0100
    Re: What should I put inside the file called wlan0? Ash Joubert <ash@transient.nz> - 2022-02-28 23:50 +0100
      Re: What should I put inside the file called wlan0? Brian <ad44@cityscape.co.uk> - 2022-03-01 00:50 +0100
        Re: What should I put inside the file called wlan0? Curt <curty@free.fr> - 2022-03-01 10:30 +0100
        Re: What should I put inside the file called wlan0? Ash Joubert <ash@transient.nz> - 2022-03-01 22:20 +0100
      Re: What should I put inside the file called wlan0? Stella Ashburne <rewefie@gmx.com> - 2022-03-01 06:10 +0100
    Re: What should I put inside the file called wlan0? Brian <ad44@cityscape.co.uk> - 2022-03-01 00:50 +0100
      Re: What should I put inside the file called wlan0? Nicolas George <george@nsup.org> - 2022-03-01 10:50 +0100

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