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68 votes

How to COMPLETELY turn off system beep sounds forever for good for real

I do not know what sound KDE does, but if you mean system beep, just disable loading of the pcspkr module. As root do: rmmod pcspkr ; echo "blacklist pcspkr" >>/etc/modprobe.d/blacklist.conf
Edheldil's user avatar
  • 1,195
58 votes
Accepted

Difference between Xorg and Gnome/KDE/Xfce

(I am looking into the relation of GNOME and X. I'd like to share some of my understandings. I will present it in a logical way as much as I can. And I try to make the wording precise.) 1. What is GUI ...
smwikipedia's user avatar
  • 1,203
46 votes

How to COMPLETELY turn off system beep sounds forever for good for real

Short of muting the sound entirely or disconnecting your headphones, there is no system-wide setting for events which will be followed by all applications. In your case especially, since you’re using ...
Stephen Kitt's user avatar
42 votes
Accepted

How to restore Okular default (toolbar) settings

The keyboard shortcut to show/hide the menu bar is Ctrl-m. I found the config file where the setting is stored at ~/.config/okularrc.
askaroni's user avatar
  • 536
28 votes

"ModuleNotFoundError: No module named 'apt_pkg'" appears in various commands

Original answer from https://askubuntu.com/q/1242009/747557, credit to @Hmdbbgh. The solution that worked for me was to reinstall python3-apt: sudo apt remove python3-apt sudo apt autoremove sudo apt ...
Gal's user avatar
  • 571
23 votes

Undo "No border" in KDE

Focus window: Alt+F3 ⇒ "more actions" ⇒ uncheck "no border"
Janghou's user avatar
  • 403
21 votes

How can I make text in meld readable?

At least from Meld 3.16.4 support different color schemes. See Meld > Preferences: (possibly this change was introduced in earlier versions) Note: It is also possible to force a specific theme ...
Tombart's user avatar
  • 2,870
21 votes

QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' when running sudo commands

The XDG_RUNTIME_DIR is one of the standard directories, defined by the XDG Base Directory Specification (freedesktop.org) $XDG_RUNTIME_DIR defines the base directory relative to which user-...
zeppelin's user avatar
  • 3,822
20 votes
Accepted

Firefox tabs in the title bar

You don't need to mess with about:config for that. Open up the hamburger menu (three horizontal lines) to the right of the URL bar and click on Customize. There's a checkbox at the bottom left labeled ...
Pierce Griffiths's user avatar
20 votes
Accepted

possible to join/attach Konsole windows?

I can not tell if and when this changed, but with Konsole 20.08.1 (I could test it on Arch Linux), detached tabs can be re-attached to their original window by: Dragging them by their label in the ...
fra-san's user avatar
  • 10.3k
19 votes

How to COMPLETELY turn off system beep sounds forever for good for real

To mute Gnome alerts: $ dconf write /org/gnome/desktop/sound/event-sounds "false" Equivalently: $ gsettings set org.gnome.desktop.sound event-sounds false
Camille Goudeseune's user avatar
19 votes

Arch Linux KDE: How do I get the mouse pointer / cursor to highlight?

I use KDE version 5.6 and in order for mouse tracking to work I actually need to do the following: Go to the System settings. search "Track mouse", it should be in the "Desktop effects&...
msam's user avatar
  • 348
18 votes
Accepted

How can I prevent Meta from opening up KDE Plasma's launcher?

As implied here, edit ~/.config/kwinrc, adding the following lines to the bottom. [ModifierOnlyShortcuts] Meta= Then restart kwin with kwin_x11 --replace & disown.
Sparhawk's user avatar
  • 20k
18 votes

Ugly Horizontal Lines Displayed in Kate and Konsole with Fractional HiDPI Scaling

Upgrading to Qt 5.12 is fine, but does not seem to fix the issue straight away. In Konsole profile settings under the advanced tab, change "Line Spacing" to 1. This has fixed the issue with horizontal ...
ismay7's user avatar
  • 181
16 votes
Accepted

How to switch pane in Dolphin using keyboard?

Dolphin version 17.08.3 There is an option is Settings > Configure Dolphin… > General to use Tab to switch between panes:
kirill-a's user avatar
  • 2,943
16 votes
Accepted

What is the action (command) to show all open windows in Debian?

The default action to show present windows is ctrl+F9 This will zoom out and show all open windows. Alternatively If you go to System settings - Desktop behavior - Screen edges You can set ...
nullmeta's user avatar
  • 369
15 votes
Accepted

KDE5 After resume from suspend I have corrupted labels under icons

I know your pain, this has been annoying me for months now. The only way to fix the desktop I've found is brute force, I made a shortcut to do this and run it every time I resume from standby: ...
Ozone's user avatar
  • 266
15 votes
Accepted

KDE global menu disappeared in Plasma 5.12

According to announcements you need to add the corresponding Plasma Widget or the menu button from "Window Decorations" settings. Global Menus have returned. KDE's pioneering feature to ...
Artem Yu's user avatar
  • 306
15 votes

Tap-to-Click is Shown, but Can't Be Toggled

Referance: https://askubuntu.com/questions/1179275/enable-tap-to-click-kubuntu I had to add Option "Tapping" "True" to the entry MatchIsTouchpad in the file /usr/share/X11/xorg....
Dimutha's user avatar
  • 151
14 votes

In application menu bar in KDE Plasma 5.12

My personal opinion, based on some reverse engineering I've just finished on this subject, is that, with all due respect, KDE developers did a big mess here. In a fit of oversimplification, the ...
Demis Palma ツ's user avatar
14 votes
Accepted

Is there a way to see the remaining battery life of your keyboard/mouse on Ubuntu/Linux?

Battery information is provided to desktop environments by UPower; this includes the battery information for some keyboards and mice. You can see what your computer knows about its batteries by ...
Stephen Kitt's user avatar
14 votes

Tap-to-Click is Shown, but Can't Be Toggled

I had this same issue on a Razer Blade 15 (mid-2021) running Kubuntu 20.04 LTS. The fix for me was to install the synaptics touchpad driver. sudo apt update sudo apt install xserver-xorg-input-...
Reu's user avatar
  • 141
13 votes
Accepted

KDE no longer automatically switches desktops

KDE Desktop Switching Your problem is underlaid with the "focused" window situation, nothing changed on the new version of KDE but new features have been added (i am referring to the changes done to ...
intika's user avatar
  • 14.5k
12 votes
Accepted

Why isn't discover software manager able to load applications in Arch LInux?

You need to install one of the backends first using pacman. You need packagekit-qt5 or packagekit-qt6 (for KDE 6) for "normal" packages, flatpak for Flatpaks and fwupd for firmware updates. ...
Vojtech Trefny's user avatar
11 votes

Kde Panel Launcher Files Location?

On Debian 9 'Stretch' with KDE Plasma 5.8.6, this is now in: ~/.config/plasma-org.kde.plasma.desktop-appletsrc The remaining info is as provided by @TheBlackCat
teracow's user avatar
  • 352
11 votes

How to make CentOS 7 load startx on startup?

The key here is what used to be called "default runlevel" if you remember CentOS 6 with SysV init. In CentOS 7, the programs started upon boot are determined by systemd as @Centimane rightly pointed ...
Ned64's user avatar
  • 8,802
11 votes

Cleaning up KDE application menu (applications-kmenuedit.menu)

I think the menu file is generated from the *.desktop files on your system. You may look at the following locations /usr/share/applications ~/.local/share/applications/ And remove whatever you don'...
daisy's user avatar
  • 54.7k

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