artu-hnrq's questions

Well, looking for manners of manipulate dconf keys without a GUI I realize that, only when correctly setup a dconf schema enables its key management through GSettings CLI.

I also observed that ANY of GNOME extensions I've choose to use (from a 22-item wide list) have done this properly (thus not providing GSettings manipulation). nevertheless, for example, it's just possible to query a dconf key type using gsettings range command, since dconf in itself do not supply one operation for this purpose.

Question

How should a gschema.xml file properly be 'installed' in a dconf storage system?

To install GNOME extensions, the more widely used way probably is to use official GNOME extensions index after some configurations (very detailed explained here).

Nevertheless, when it comes from install them via command-line the explanation indicates that just to extract the appropriated-version zip file under ~/.local/share/gnome-shell/extensions/ and restart the shell would be enough.

However, I got my doubts about it. I mean, when we turn on the switcher at extension's page in extensions.gnome.org, and click to install it, is just this that is done?

I have scripted this process to automatize the extensions installation after upgrade to a new system-installation of 20.04 Focal Fossa, and observed some extensions weren't available, even from site perspective, even after whole system (and consequently shell) restart.

So I came here to clarify, how to properly install a GNOME extension via CLI? Has something changed about this in GNOME 3.36.2?

In Ubuntu 18.04 Bionic Beaver with GNOME 3 org.gnome.desktop.wm.keybindings is the path to manipulate default window management dconf variables.

Inside this path we can find always-on-top and toggle-above variables and set a keybinding to them. However in which aspect they differ?

Testing it I couldn't observe any difference. For both cases, when the equivalent keyboard shortcut is pressed, the active window is set to keep always visible on its workspace, that is, it remains above all other windows on the same workspace.

Is there some discreet behavior that differ this two actions?

I would like to make my dconf setting portable, thus I'm writing it out to a file with dconf dump / > file. However, when it comes of terminal profile setting, my profile UUID is included

[org/gnome/terminal/legacy/profiles:/:b1dcc9dd-5262-4d8d-a863-c897e6d979b9]
visible-name='artu-hnrq'
use-theme-colors=false
1use-transparent-background=true
background-transparency-percent=8

So, supposing each Ubuntu installation generates a different default terminal profile UUID, I'm considering the dump file won't apply the desired configuration properly, since the target installation terminal profile UUID won't be the same when I run dconf load / < file in another computer.

This way I would like to read the machine terminal profile UUID before set up dconf keys.

Is there a way to work with variables inside this file? Or is there another way to working around it?

At least since 18.04 Bionic Beaver, maybe previously, dash-to-dock GNOME extension was defined as system default dock application and its settings are stored through dconf.

One of those got me confused. The available value description and summary couldn't help me so much, and trying to discover what it does I haven't observed any difference between turn it on or off. So I'm bringing this doubt to here!

What do org.gnome.shell.extension.dash-to-dock intellihide and intellihide-mode dconf variables do?

My PyCharm debug tool window isn't available anymore. I was using it without problem yesterday, however after turn the computer on and open the application it has disappeared from the side bar and also from all menus; Even in keymap list it's not present anymore.

I've already reinstalled the application, removing it's files completely, but it come back with the same problem

Any suggestion of what to do to recover it?

After the resolution of this question, I'm using the following script to alternate my computer sound-output through a keyboard shortcut

#!/bin/bash
sound_output=$(pacmd list-cards | grep "active")

if [[ $sound_output = *"analog-stereo"* ]]; then
  sound_output=hdmi-stereo
else
  sound_output=analog-stereo
fi

pactl set-card-profile 0 output:"$sound_output"
echo -e "PulseAudio sound server output set to $sound_output"

However, while I have a device wire-connected in headphone output port there's a third output option in system settings sound menu that also use an analog-stereo profile.

Which other strategy could I use to find out the available outputs options and circle through them?

I would like to understand:

1. What connections between the camera device and my computer are needed?
2. Is possible to do this without other external devices?
3. What applications are needed?

Here there're some references i found, but didn't help so much (to me):

1. How to use my GoPro as a webcam
2. Elgato CamLink
3. Use a Canon camcoder as a webcan

I found through this question that using -e (deprecated) or -- options I can run a command in a new terminal window. Or yet -x to do it in a new tab.

However i'm having troubles to do it in my raw 18.04 Bionic Beaver LTS Ubuntu. The new window / tab is opened, but with the follow error message:

I made a quick research but didn't find how to solve this. Any clue is wellcome! Thanks

I'm trying to improve my knowledge in all Ubuntu environments, searching and learning how to write bash and python scripts to customize my Bionic Beaver machine.

I therefore would like to know how to change the pinned applications in my dock via command line. I've found some similar questions here, but most of them were answered for old Ubuntu versions.

This one, that and another describe the list I'm looking for would be stored at com.canonical.Unity.Launcher favorites, however I couldn't find this schema searching through dconf-editor.

Do someone has a clue where could I find it at Ubuntu 18.04 Bionic Beaver? Or perhaps some other way to manage this list via command line?

By now, when I click to an application in my dock it is minimized. But I would like to cycle through all open tabs of that application with this action.

I use to use the Super+number hot keys to toggle between programs, however, by this, it show me the system activities while there is multiple tabs of the target application.

How could I change this behavior?

I'm learning about bash script by writing one to setup all (or most of) my Ubuntu 18.04 customization. One of these are my keyboard shortcuts.

I'm using this answer strategy to config the hotkeys. However I observed it is accepting just the first 8 custom shortcuts I setup. I mean, the hotkeys that I store between custom0 and custom7 slots had been saved, but all others ignored.

Do someone have a clue about what could been happening?

This is the scripting I'm using:

# Terminal
$(dconf write /org/gnome/terminal/legacy/keybindings/next-tab "'<Alt>w'")
$(dconf write /org/gnome/terminal/legacy/keybindings/prev-tab "'<Alt>a'")

# Music
$(dconf write /org/gnome/settings-daemon/plugins/media-keys/play "'<Super>KP_Separator'")
$(dconf write /org/gnome/settings-daemon/plugins/media-keys/next "'<Super>KP_Decimal'")
$(dconf write /org/gnome/settings-daemon/plugins/media-keys/previous "'<Super>KP_Divide'")
$(dconf write /org/gnome/settings-daemon/plugins/media-keys/volume-up "'<Super>KP_Add'")
$(dconf write /org/gnome/settings-daemon/plugins/media-keys/volume-down "'<Super>KP_Subtract'")
$(dconf write /org/gnome/settings-daemon/plugins/media-keys/volume-mute "'<Super>KP_Multiply'")

# Launch
$(dconf write /org/gnome/settings-daemon/plugins/media-keys/www "'<Primary><Alt>c'")
$(dconf write /org/gnome/settings-daemon/plugins/media-keys/home "'<Primary><Alt>f'")

$(dconf write /org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom1/binding "'<Primary><Alt>k'")
$(dconf write /org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom1/command "'gnome-control-center keyboard'")
$(dconf write /org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom1/name "'Shortcuts settings'")

$(dconf write /org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom2/binding "'<Primary><Alt>equal'")
$(dconf write /org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom2/command "'env BAMF_DESKTOP_FILE_HINT=/var/lib/snapd/desktop/applications/gnome-calculator_gnome-calculator.desktop /snap/bin/gnome-calculator %U'")
$(dconf write /org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom2/name "'Calculator'")

$(dconf write /org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom3/binding "'<Primary><Alt>a'")
$(dconf write /org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom3/command "'atom ~/.fragatron'")
$(dconf write /org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom3/name "'Atom'")

$(dconf write /org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom4/binding "'<Primary><Alt>y'")
$(dconf write /org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom4/command "'/opt/google/chrome/google-chrome --profile-directory=Default --app-id=eeaafbmfeofhhjpjklgoobllogkjdgap'")
$(dconf write /org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom4/name "'YouTube Music'")

$(dconf write /org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom5/binding "'<Primary><Alt>z'")
$(dconf write /org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom5/command "'/opt/google/chrome/google-chrome --profile-directory=Default --app-id=lilmhcaoekddncecbphbjdbjccdbneij'")
$(dconf write /org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom5/name "'Google Tradutor'")

$(dconf write /org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom6/binding "'<Primary><Alt>g'")
$(dconf write /org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom6/command "'/opt/google/chrome/google-chrome --profile-directory=Default --app-id=mmlonmkggdiafehdajlempfflcdfddna'")
$(dconf write /org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom6/name "'GitHub'")

$(dconf write /org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom7/binding "'<Primary><Alt>KP_Separator'")
$(dconf write /org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom7/command "'toggle-sound-output'")
$(dconf write /org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom7/name "'Toggle sound-output'")

$(dconf write /org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom8/binding "'<Primary><Shift>KP_1'")
$(dconf write /org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom8/command "'profile-info name'")
$(dconf write /org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom8/name "'Profile Name'")

I want to set a unique hotkey to be able to alternate the system sound between analog and HDMI outputs. How can I do this?

This behavior could be observed in play shortcut (from org.gnome.settings-daemon.plugins.media-keys) that play and pause the media alternatively.

I could find answered here that the command to set the sound-output is pactl set-card-profile 0 output:[card-profile]

After reading the questions How to create keyboard shortcuts from terminal? and How to set custom keyboard shortcuts from terminal? that explain how we can set a new shortcut from the command line, I have a different doubt:

I would like to know the command I should run to directly open the Add custom Shortcut dialog. The same one that I can find going into Settings > Devices > Keyboard