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I recently upgraded to Ubuntu 20.04 relatively smoothly. However, the dock is auto-hidden on the left side of the screen. When I go into the gnome control center settings and click Appearance I am greeted with the below settings.

It's a bit hard to tell from the screenshot; there is no theme selected, Icon size can't be adjusted, Show on is greyed out, and position on screen has three options: Left, Bottom, and Right. All three options can be selected but they do nothing. I can select a theme, nothing changes and the setting reverts to deselected if I change windows.

I have no idea where to begin investigating for this, and my searches just yield a bunch of results about how to customize the dock and how to enable dark mode. Maybe it's a video card thing? Everything else appears to be working fine.

enter image description here

Edit: I just tried reinstalling gnome-control-center and it gave me the usual output:

$ sudo apt-get install --reinstall gnome-control-center

Reading package lists... Done
Building dependency tree       
Reading state information... Done
0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 0 not upgraded.
Need to get 0 B/1,717 kB of archives.
After this operation, 0 B of additional disk space will be used.
(Reading database ... 165754 files and directories currently installed.)
Preparing to unpack .../gnome-control-center_1%3a3.36.2-0ubuntu1_amd64.deb ...
Unpacking gnome-control-center (1:3.36.2-0ubuntu1) over (1:3.36.2-0ubuntu1) ...
Setting up gnome-control-center (1:3.36.2-0ubuntu1) ...
Processing triggers for mime-support (3.64ubuntu1) ...
Processing triggers for gnome-menus (3.36.0-1ubuntu1) ...
Processing triggers for man-db (2.9.1-1) ...
Processing triggers for desktop-file-utils (0.24-1ubuntu2) ...
ajthyng
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2 Answers2

0

I was able to figure out a workable solution by installing a gnome extension. Using this answer: Install GNOME Shell extensions from terminal

Text below in case the link goes away.

Dash to Dock GNOME extension

As seen at https://extensions.gnome.org/extension/307/dash-to-dock/

Download the .zip file here https://micheleg.github.io/dash-to-dock/releases.html

Note: the name of the downloaded .zip file may be different than the dash-to-dock@micxgx.gmail.com.zip shown in the unzip command shown below. Adjust the command as necessary for the correct .zip name.

See the manual installation notes here https://micheleg.github.io/dash-to-dock/download.html

Manual installation

You can also obtain the extension in the form of a zip archive from the release page. Look for the latest version supporting your shell version. The extension can be installed by means of gnome-tweak-tool, or alternatively by directly extracting the archive in the a directory named dash-to-dock@micxgx.gmail.com inside ~/.local/share/gnome-shell/extensions/

unzip dash-to-dock@micxgx.gmail.com.zip \ -d ~/.local/share/gnome-shell/extensions/dash-to-dock@micxgx.gmail.com/

Shell reload is required Alt+F2 r Enter. The extension can be enabled with gnome-tweak-tool, or with dconf by adding dash-to-dock@micxgx.gmail.com to the /org/gnome/shell/enabled-extensions key.

Note: DtD is not compatible with 19.04.

rumor has it, that if you uninstall Ubuntu Dock, that DtD will work with 19.04

it also appears that the manual installation of DtD will make this work in 19.04

I was able to download the .zip for dash-to-dock and extract it to the right location so gnome-tweaks would pick it up. The extensions section had the Dock to Dash entry and enabling it allowed me to move the dock around and see resize it as I expected.

I'm not sure if this dock behavior is a new feature of 20.04 or something on my system is broken, but I hope this helps someone.

ajthyng
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0

You can fix this by terminal

dconf dump / > setting.ini
nano setting.ini

Search for [org/gnome/shell/extensions/dash-to-dock] in setting.ini and change

multi-monitor=true

to

multi-monitor=false

save it and run this command in terminal

dconf load / < setting.ini

and you can remove setting.ini after this.

pomsky
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mahdi gholami
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  • I upgraded from 18.04 to 20.04 and when I first opened setting.ini, I don't see this line "[org/gnome/shell/extensions/dash-to-dock]" at all in the file. What am I doing wrong? – T3J45 Aug 08 '20 at 15:17
  • I'm sorry for answering late, I edited my answer. – mahdi gholami Sep 02 '20 at 21:07
  • https://media.discordapp.net/attachments/499626925908688926/750825156695556177/Screenshot_from_2020-09-03_01-40-08.png?width=762&height=575

    I research [org/gnome/shell/extensions/dash-to-dock] and I'm sure this line is exist. search again.

     – mahdi gholami Sep 02 '20 at 21:15
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    That's quite a convoluted way to change a dconf key. You can simply use the gsettings set command or dconf write command or the 'dconf Editor' GUI application to change the value. – pomsky Sep 02 '20 at 22:37
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    yes so we can use simply this cmd in terminal dconf write /org/gnome/shell/extensions/dash-to-dock/multi-monitor false – mahdi gholami Sep 03 '20 at 01:32