Questions tagged [kde5]

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KDE Plasma 5 - where do I check the patterns for the “in an application based on the contents of the URL” setting?

In KDE Plasma 5 (e.g. install Kubuntu 20.04.2): Open "System Settings"; Go "Applications" -> "Default Applications" -> "Web Browser"; There is an "...
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1answer
42 views

KDE plasma update

I have currently KDE plasma 5.14.5 in use, how can I update/upgrade it to the newest? I have Debian 10 installed. Thank you very much.
1
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2answers
193 views

Error while opening Spectacle

PrntScrn doesn't work and trying to open spectacle window with the command line gives me the following error: $ spectacle spectacle: error while loading shared libraries: libkColorPicker.so.0.1.4: ...
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1answer
9 views

Customize KDE PlasmaShell task switchers?

I am using the ThumbnailGrid task switcher, which I downloaded through the Configure Desktop > Window Management > Task Switcher interface. However, for my usual number of open windows, often ...
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0answers
21 views

KMail's encounters fatal error “Timeout trying to get lock” and terminates. What to do?

I installed Kubuntu 20.04, coming from Kubuntu 14.04, and try to migrate my e-mails for kmail. Went with the following approach which is based on https://www.marnel.net/2018/08/migrating-kmail/ and ...
2
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1answer
163 views

Configure /etc/fstab for external hard drive

In my /etc/fstab I have the line UUID=c99...04c4 /media/myExtDrive ext4 defaults,user,nobootwait 0 0 for my external hard drive. But when I plug it in and try to mount it with the ...
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0answers
32 views

loop in display manager SDDM

I am currently using Kubuntu 20.10 and have the issue known as a login loop I have tried all the options indicated in this link with no result. As a result of the review, I suspect that the problem is ...
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0answers
21 views

Can you define a keyboard shortcut for the KDE 5 all windows preview (Mission-Control-like) feature?

I have recently started to use KDE again, and have discovered that KDE 5 has a useful feature where if you move the mouse to the top left corner of the screen you get presented with thumbnail previews ...
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0answers
50 views

KDE plasma 5.19.5 does not start

I'm in KDE neon. I updated to plasma 5.19.5 and when I reboot and login in plasma on Xorg, SDDM gets hanged and I have to force shutdown. When I do it with Wayland, it gets hanged for 2 seconds and ...
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0answers
6 views

KDE Plasma desktop blanks screen on mouse click

I'm running KDE Plasma 5.8.6 on Debian 9.13, and any time I click the mouse in an inactive window after at least five seconds of no mouse clicks, the screen turns off. It comes back if I click again. ...
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0answers
35 views

KDE 5: KFileDialog is no longer showing recent locations or URLs

I've been using Debian Stretch with KDE Plasma for years. Now I upgraded to Buster, with KDE Plasma 5.14.5. When I want to save a file, e.g. a download, the kdialog window no longer shows previous ...
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0answers
47 views

In Debian, how can I keep X11VNC alive when I open KDE session

Using Debian 9 + X11VNC + KDE5 I have a script in /usr/share/sddm/scripts/Xsetup that runs x11vnc before sddm starts, so I can access the launcher with VNC. My problem is that the VNC connection is ...
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2answers
410 views

KDE/Plasma and large monitor: how to snap windows to 3x3 grid?

Doing a lot of software development I frequently need to see many windows at the same time. Thus I'm frequently arranging windows by dragging them to the left/right edge of the screen to scale them to ...
2
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2answers
842 views

Disabling KWin compositor from command-line

Is there any way to disable KWin compositing effects from command-line? AFAIK it's possible to disable it via System settings->Hardware->Display and Monitor->Compositor but it requires a KWin ...
1
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1answer
59 views

KDE | Shortcuts to Open Default Applications?

Is it possible to define global keyboard shortcuts to open default applications? For example, I want to define a shortcut Meta + B to open up the default browser, such that if I ever decide to change ...
2
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1answer
668 views

KDE Konsole: how to save and restore current session?

KDE Konsole does not have a feature to save the current session (opened tabs, current directory etc.) How can we save/restore the current session?
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0answers
162 views

Nofitication service not available in KDE plasma 5.19 after reboot

I rebooted my system and after logging in , I noticed that the notifications are no longer working correctly .In the notification widget the only thing appears is Notifications are currently provided ...
1
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1answer
254 views

Installing KDE4 development files in 2020

I want to compile the Oxygen-transparent project which requires KDE4. I've tried building and installing the KDELibs 4 Support package , but still there's no kde4-config in my system. Here's the ...
1
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1answer
205 views

How to display the KDE system tray icons on LXDE panel?

With KDE, I sometime need to close/kill KDE (plasmashell) to have more available system resources, while doing so I run lxpanel on its own to have a minimal panel while KDE Plasma is closed. This does ...
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1answer
96 views

KDE, per application keyboard shortcut, example: how to customise chrome shortcuts?

In KDE5 how can we use the same shortcut but achieve different action on per active application basis? Example i use F3 in my text editor for find next and i want it to refresh the web page when i am ...
0
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1answer
8k views

“ModuleNotFoundError: No module named 'apt_pkg'” appears in various commands

I get the following error in various situations, for example when I try to start a package that is not installed: $ tldr Traceback (most recent call last): File "/usr/lib/command-not-...
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0answers
121 views

Change Wallpaper for Login Screen in KDM (Fedora 32)

I am trying to change the wallpaper for the login screen for KDM in Fedora 32. I have looked it up, but unfortunately the answers that I have found are either inapplicable (using SSDM) or it applies ...
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0answers
47 views

how to reduce KDE5 RAM consumption to the minimum?

I am a to KDE-newbie and I have a "small" laptop running fedora. The system has: · RAM: 3.67GB · CPU: Intel Dual Core à 800/2400 (min/max)MHz per Core I want to keep RAM consumption under KDE as ...
0
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1answer
49 views

KDE toolbar content dependent on activities

So the developers excluded toolbars from activities and they are uniform among all activities. A lot was written about how they practically killed the idea of activities. But is there any workaround ...
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0answers
80 views

KDE Dolphin Service Menu scripting difficulties

I'm trying to transfer (at least some most frequently used) Nautilus/Nemo Actions/Scripts to Dolphin Service Menu Actions, which is a challenging task for me with elementary level scripting skills. ...
0
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1answer
30 views

Problem launching application from menu in KDE Gentoo linux

I followed this guide to install Gentoo +systemd+KDE. After booting in gentoo I noticed an unusual behaviour. once booted I can launch applications, only if there are no WiFi connection being used. ...
2
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2answers
2k views

KDE: Prevent kglobalaccel5 from starting

kglobalaccel5, a keyboard shortcut service, keeps chrashing and taking the whole session down with it. Apparently, it has been unstable for quite a while. I don't really need the shortcuts, so killing ...
0
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1answer
2k views

How do I change the login screen in Arch linux?

Well, I currently installed Arch Linux with the Desktop Enviroment KDE Plasma 5. But I don`t like the Login screen, so I want to change it. I installed the display-manager sddm. Does anyone know how ...
1
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1answer
577 views

Problems with KDE Plasma after upgrading to Debian 10: too bright and glowy, favorites and panel icons are missing

I upgraded from Debian 9 to Debian 10. Problems I had during the upgrade: I couldn't use dolphin during and after the upgrade (it said "Unable to create io-slave. klauncher said: Error loading '/usr/...
3
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1answer
3k views

Black screen with mouse pointer on boot, KDE Neon

Preface: I have a Lenovo Z50, 4GB RAM. I tried installing KDE Neon 5.15.4 (based on Ubuntu 18.04) on it, but I am getting problems. I am a noob, so question may be over-descriptive. Problem: The ...
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0answers
73 views

Fonts look pixelated in some applications

I use KDE, I have a HiDPI display, so I made changes to ~/.Xresources to change the system DPI. After that, the fonts in some applications began to look pixelated. In QtCreator, with QT_SCALE_FACTOR=...
1
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1answer
811 views

KDE Plasma: window drop shadows/transparencies broken

I'm using KDE 5.59.0/Plasma 5.16.2 and while working, my screen flickered, after which it seemed the drop shadows from my windows were gone. I noticed because I have no borders around the windows and ...
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1answer
459 views

Fedora30 upgrade: Cannot run KDE as normal user

I've upgraded from Fedora 29 to Fedora 30. Alghough root can use KDE normally, I fail to use it as a normal user, so it seems permission related. An almost black fullscreen window appears with a ...
0
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1answer
897 views

List callable font names for /etc/vconsole.conf

Using arch-linux with KDE plasma. I would like to set my tty font to the ttf-hack font. I added FONT=ttf-hack to /etc/vconsol.conf And got no results. Actually I do not know what the right names ...
0
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1answer
149 views

Losing sides, top and bottom on TV

I do understand this subject gets answered a lot. I have a debian laptop that 1366x768 60.02. Now the TV fits everything if I use the same res. I would like for the tv to run at 1920x1080 30.00* (60 ...
1
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1answer
2k views

How to fix meta key not always working to trigger start menu on KDE?

KDE assign meta key to trigger the menu window but depending on the situation this does not always work. This issue seem to be fixed on newer version of KDE but this is not yet widely distributed. ...
0
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1answer
490 views

disable scroll by 3 and 4 fingers on synaptics touchpad

I am fine with scrolling with 2 fingers. I have already disbaled edge scrolling by 1 finger. I want to disable click and scrolling by 3 and 4 fingers on my synaptics touchpad. System details: ...
2
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0answers
2k views

Black screen with cursor in kde

I'm using manjaro linux based arch with kde plasma desktop. I updated the system with sudo pacman -Syu, after that i rebooted my laptop booted into the system but the kde desktop doesn't showed up ...
0
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2answers
4k views

How to restart KDE Plasma from tty?

Answers in this question only work if one can type the commands inside active KDE session. In another tty, kstart complains that it can't open display. How to restart KDE from tty2? How does kstart ...
0
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1answer
827 views

How to fully purge KMail settings in KDE5

Due to some misconfigurations I want to completely purge my KMail to behave like a brand new one. When I follow the steps in https://docs.kde.org/trunk5/en/pim/kmail2/clean-start-after-a-failed-...
1
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1answer
1k views

Arch - KDE Plasma 5.7 and Latte Dock: Icons do not appear

I've recently installed Arch and chose KDE5 for my desktop environment. Being a fan of docks, I've opted to install Latte. The problem is that icons do not appear in my dock at all, thus rendering it ...
0
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1answer
730 views

Unable to start KDE 5 after installing from EPEL on CentOS7

Context: I am stumped on how to get KDE 5 started after installing the kf5-plasma & Dependencies downloaded from EPEL. I am trying to get KDE 5 started after installing the RPMs below using yum. ...
1
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1answer
2k views

Can't deal with KDE Desktop in Kali Linux [duplicate]

I recently installed KDE on Kali Linux (I'm always root). I can't do anything with the Desktop (Launching applications, creating or adding new items or moving icons to my secondary monitor, etc.). I'...
1
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1answer
3k views

How do I use the KDE 5 monitor calibration tool?

I recently replace my laptop monitor and have noticed it's not as crisp as the only one / my external monitors. In KDE5 there is a "System Settings Module" called Gamma that supplies different test ...
1
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1answer
551 views

How to change desktop resolution from terminal for KDE5 running on Wayland?

Using KDE5 on Arch Linux with Wayland. I hit apply when changing resolutions to see which one would be suitable, small desktop resolution and then my monitor said it was unsupported. How do I revert/...
4
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2answers
6k views

KDE Kontact applications fail to start. The Akonadi personal information management service is not operational

In looking for a good suite of mail/contacts/calendar .etc apps, I tried out KDE's Kontact and ran into the following issue upon starting pretty much any of the bundled applications (kmail, korganiser ...
9
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1answer
2k views

How to disable the volume popup in KDE Plasma 5.13?

In older versions I used to comment out osd.show(percent) in the functions increaseVolume and decreaseVolume in the file /usr/share/plasma/plasmoids/org.kde.plasma.volume/contents/ui/main.qml (blog ...
1
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0answers
361 views

KDE text problem with fractional scaling in system settings

I have just switched over to KDE because of my new 4k monitors. I turned on fractional scaling and everything looked great. Only one thing stood out. This: As you can see the text in the desktop ...
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0answers
79 views

How to hide active firefox tab name from KDE task manager?

I'm trying to hide the active tab name of minimized firefox or chromium from KDE task manager. (Eg. In above picture I want to hide Newest kde question -Unix...') I'm using antergos.
4
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1answer
5k views

Can't run KDE on Arch, $DISPLAY not set

I just installed Arch Linux. I have set up xorg and can start the xserver with xclock and xterm. I have also installed plasma-desktop. As per the KDE - ArchWiki I only need to append exec startkde ...