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When I run followind command: qdbus I get following error:
qdbus: could not find a Qt installation of ''
I've read alot of old questions with same error but not one helps me.

I've tried execute following commands sudo apt-get install qt5-default + same for for qt4, etc. but still have same error.
If any additional information required for this issue - please add comment and I'll provide info.

Yuriy Leonov
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1 Answers1

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I've had the same issue on 18.04 server virtual machine with GUI, so I can't say whether or not it's applicable to Desktop version, but I did have to install one of the packages ( specifically qtchooser ) to get qdbus.

According to Ubuntu package search for bionic (18.04), these are the amd64 packages that do contain qdbus, among which:

  • qtchooser
  • qdbus-qt5 ( referenced by OP on an old post with no answer )
  • qdbus

I'd recommend going with sudo apt install qtchooser since this is the same solution I've used. However, either of these 3 should work just fine.

Sidenote: On Ubuntu server 18.04 with XFCE4 installed via repositories , installing qtchooser produced no effect, but qdbus-qt5 did. I suspect this has to do with certain dependencies that qdbus-qt5 pulls with it, which may have been installed in other instances. I'd recommend installing this package.

Sergiy Kolodyazhnyy
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    Yep! looks like the `qdbus` program in `PATH` is a symlink to `qtchooser`. And `qtchooser` tries to run `qdbus` in the preferenced QT installation. Without `qdbus-qt5`, there is no corresponding `qdbus` program for the qt5 installation. – Winny Jun 23 '20 at 09:26
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    @Winny Oh, wow ! Kudos for pointing that out. I did not realize or checked before that it is a symlink ! – Sergiy Kolodyazhnyy Jun 23 '20 at 09:30
  • on 20.04 had to install both qtchooser qdbus-qt5, thx! – Aquarius Power Feb 27 '22 at 18:54