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I'm using qz-tray application installed/downloaded from GitHub: qzind/tray.

It does not show tray icon in Ubuntu 18.04 Gnome desktop.
What should I do to show it?

N0rbert
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cyberquarks
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    Do you have gnome-shell-extension-appindicator package installed? What is the output of apt policy gnome-shell-extension-appindicator? Are you in a "vanilla" GNOME session by any chance? – pomsky Jul 02 '18 at 19:53
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    May be related https://askubuntu.com/questions/1030833/app-indicator-not-working-on-ubuntu-18-04 . What application you use? For example hplip-gui and psensor show their icons on clean installation of standard 18.04 LTS. But guake does not show its icon. – N0rbert Jul 02 '18 at 20:10
  • @N0rbert I'm using qz-tray – cyberquarks Jul 03 '18 at 17:52
  • @xybrek where can I download qz-tray? Does it exist in ubuntu repositories? – N0rbert Jul 03 '18 at 20:10
  • @N0rbert here https://github.com/qzind/tray/releases/download/v2.0.7/qz-tray-2.0.7.run – cyberquarks Jul 04 '18 at 04:45

2 Answers2

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I ran the following commands to install QZ Tray (based on official guide):

sudo apt-get install git ant nsis makeself default-jre
cd ~/Downloads
wget https://github.com/qzind/tray/releases/download/v2.0.7/qz-tray-2.0.7.run
chmod +x qz-tray-2.0.7.run
sudo ./qz-tray-2.0.7.run

  • At first I tested it in normal traditional desktop - Ubuntu MATE 18.04 LTS and it has tray icon in place here just after installation:

    qz-tray MATE

  • Then I switched to Ubuntu 18.04 LTS with GNOME:

    1. With default settings it is not shown (i.e. gnome-shell-extension-appindicator is installed, enabled and loaded).
    2. Then installed TopIcons Plus extension from GNOME Software - it shows icon in non-expected place (note green printer near Firefox icon and black square near clock):

    QZ Tray with TopIcons Plus

    1. Afterwards I removed TopIcons Plus and installed TopIcons extension - it does not work even if I start it manually with java -Xms512m -jar "/opt/qz-tray/qz-tray.jar".

So I recommend to drop this brave new GNOME world and switch to fully functional traditional MATE desktop environment by executing sudo apt-get install ubuntu-mate-desktop^.
As normal users we do not have time to overcome all these new non-predicted difficulties.
Also you can try to find support on GitHub issue page to fix this problem for GNOME.

N0rbert
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Starting with 2.0.9, QZ Tray detects the absence of a System Tray and attached to the Taskbar icon instead.

Here's QZ Tray running on ElementaryOS:

enter image description here

Solutions including the System Tray compat libs (or avoiding Gnome entirely) are the correct solution for those using older QZ Tray versions, however those looking to use a newer version of QZ Tray no longer need to make special considerations. It should work out of the box.

tresf
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