Re: What is Portal and pipewire and Why Did They Start?

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On Thursday, July 16, 2020 1:22:59 PM EDT stan via users wrote:
> On Thu, 16 Jul 2020 11:53:41 -0400 "Garry T. Williams" <gtwilliams@xxxxxxxxx> wrote:
> > A few weeks ago I installed F32-KDE fresh on a workstation (a disk
> > drive failed).  All of a sudden last night Portal service was
> > started (whatever that is).  I did nothing that I know of to
> > trigger this.  Furthermore, since updating after installing this
> > system, that service has never been started until now.
> > 
> > Directly after the Portal service started, I see error messages
> > coming from pipewire (whatever that is).
> 
> xdg-desktop-portal.x86_64 : Portal frontend service to flatpak
> 
> Summary     : Media Sharing Server
> Description :
> PipeWire is a multimedia server for Linux and other Unix like operating
> systems.

Thank you, Stan.  Of course, those descriptions do very little to
allow me to understand what this stuff is.  Web searches (which I did
do after seeing the log messages) indicate that this stuff is about
*sharing* desktops.  I cannot imagine why this stuff starts up a
little after midnight local time, when I did not do anything to
indicate that I wanted to share my desktop.  And with whom?!  Very
strange, indeed.

> > Can anyone tell me what this is all about and why it happens now?
> 
> I don't know for sure, but it looks like Portal monitors sites (like
> flathub) on the web, and when there are updates, launches itself and
> pipewire. There is probably a default conf file somewhere that
> controls its behavior.

Hmmm.  I used to be in charge of what got updated and when it got
updated on my own machine.  You indicate that there's another path
with which to install software that I am no longer in charge of.
That's alarming.  Especially since I didn't ask for it.

> Since it is a systemd service (from your output), you should be able
> to mask it if you never want it to run.  That will probably take
> care of pipewire starting as well.

I knew how to do do that, but thank you.

I went one better and simply removed those two packages from my
system.  If, for any reason it turns out I later need them, I can
reinstall them.

Erasing xdg-desktop-portal offered to erase a bunch of leaves no
longer needed, including flatpak.  My system's 150 MB smaller now.
:-)

> It seems that a lot of dependencies were not installed with it, as
> all the failures attest.  If you want to use it, you should probably
> reinstall it so the necessary dependencies for it to function are
> pulled in.

Well, there's the odd thing, isn't it.  Before, dnf would always solve
dependencies and install them when a package was installed.  Now there
seems to be another path used for software installation and it doesn't
know how to handle dependencies.  I don't guess I need this stuff, for
sure.

Thanks again for the reply.

-- 
Garry T. Williams


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