On Mon, Jun 29, 2020 at 09:04:34PM +0200, Richard van Bemmelen wrote:
> Thanks, I tried that, but when doing sudo apt-get update I got the
> following error:
> 
> W: GPG error: http://apt.gka.thinkglobally.org stretch InRelease: The
> following signatures couldn't be verified because the public key is not
> available: NO_PUBKEY 6669378035F4918C
> E: The repository 'http://apt.gka.thinkglobally.org stretch InRelease' is
> not signed.
> N: Updating from such a repository can't be done securely, and is therefore
> disabled by default.
> N: See apt-secure(8) manpage for repository creation and user configuration
> details.
> 
> did you get that too?
> Richard

I don't remember any such problem, I'm afraid.  As the haze on my memory
lifts slightly, I think I started building 6.12 around March last year,
which is when the file was apparently edited.

That apt-secure man page has quite a lot of information, but it doesn't
leave me much the wiser on first reading! (:-/) I wonder if I have a
different security setting somewhere, or something?

Sorry I can't be of more help.  I think there's a Mint forum somewhere,
which might give clues?

	-- Pete --

> 
> Op ma 29 jun. 2020 om 20:02 schreef Pete Goodeve <pete.goodeve@computer.org
> >:
> 
> > On Mon, Jun 29, 2020 at 06:18:20PM +0100, Richard (Zappfinger) van
> > Bemmelen wrote:
> > > I am following the instructions for this, but the first step, editing
> > sources.list goes wrong.
> > > My sources.list only contains one line, saying it was installed from a
> > CD...
> > > What next?
> > >
> > Not a definitive answer, but I was able to build Csound 6.14 on Mint
> > a few months back, and my sources.list has -- after the header comment:
> >
> > deb http://apt.gka.thinkglobally.org/ stretch main
> > deb-src http://apt.gka.thinkglobally.org/ stretch main
> >
> > 'stretch' I guess being the Debian equivalent of my Mint 'Sonya'.
> > I don't remember, but it looks from the date as if I did edit the file,
> > probably to add that second line.
> >
> >         -- Pete --
> >

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