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Questions tagged [kubuntu]

The official Ubuntu derivative using the KDE Plasma Desktop

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kubuntu boot screen flickers after tlp install

my laptop was running kubuntu fine but after the tlp install the boot screen flickers. i have to force shut down the system and then start it again from grub. how can i fix this? and yes i do get some ...
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20 views

distracting buzzing and crackling on my in-built laptop speakers running Kubuntu (18.04)

my soundcard is: Intel Corporation CM238 HD Audio Controller I've been hearing an annoying buzzing on all audio that plays out of my laptop speakers. I also have plugged in headphones into the laptop ...
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17 views

Opening graphic application on usb plug

I'm using Kubuntu 18.04 and Yubikey for VPN authorization. I want to open Konsole application on key plug-in running nmcli connection up my_connection to show me password prompt. I set up udev to run ...
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11 views

Libreoffice on Kubuntu: FTP problems

I have a FTP server on my work that can be accessed only in active FTP mode. In Kubuntu settings I've set up the active FTP mode, so it is opened without problems with Dolphin and MC. But I have these ...
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12 views

dependency, sudo, and apt-get errors in Kubuntu

It's been awhile since I've used my Kubuntu system. I'm trying to upgrade to version 16.04 - and running into a series of problems: 1) When attempting to upgrade Kubuntu to version 16.04, I get the ...
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19 views

Installed pwd working on kwallet, but not on Key ring

Update of original question: Logging in to Mailspring.Message 'Enter pwd to unlock'. Retried, same result. Exit gave message 'Mailspring could not store your pwd securely. Make sure you have '...
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20 views

No root file system is defined after trying to install Kubuntu 16.04

Lenge side jeg var Linux bruker, men nå vil jeg igang. Vil installere Kubuntu 16.04.Tror det er noen triks for å installere på rett disk. Win 10 er på C:, og disk D: er disken jeg vil bruke til ...
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23 views

SSL errors on Firefox: getting frequent “SSL_ERROR_BAD_CERT_DOMAIN” on Kubuntu

I just installed Kubuntu 18.10 and I'm getting a lot of SSL_ERROR_BAD_CERT_DOMAIN when trying to connect to HTTPS websites. Never had the issue with other distributions or Ubuntu flavors, so I suspect ...
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1answer
14 views

Asus touchpad not working ubuntu 18.04

I have an Asus n750j laptop with kubuntu 18.04 installed but I can't do a two fingers scroll with the touchpad. This is the output of xinput list ⎡ Virtual core pointer id=2 ...
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30 views

Gnome extensions in kubuntu help

I have moved from Ubuntu 18.04 to kubuntu 18.04 (desktop switching) and i would like to know if i unistalled the default (Gnome) would it remove the extensions that have shown up in Kubuntu?
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39 views

Kubuntu doesn't start desktop environment half the time booting

I have Kubuntu installed, dual booting with Win10 and half the time I start my computer the desktop environment for Kubuntu just doesn't start, all I see is a blinking underscore. I can access tty and ...
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1answer
44 views

Another desktop's application showing on current desktop task bar

I'm having this annoying problem and need some help. The thing is, I have a script which opens/closes chrome windows to run some macros. In order to keep my desktop clean, I put this script on desktop ...
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1answer
46 views

sddm / plasma have problems with OpenGL after upgrading to 18.04

I have upgraded my Kubuntu system (desktop workstation with Nvidia GPU) multiple times, and I am using the nvidia binary driver. Recently, after upgrading to 18.04 (bionic), I was facing a black ...
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21 views

Enabling Mouse Navigation on KDE without GUI

I'm looking for a way to enable mouse navigation on Kubuntu with KDE/Plasma 5.14.3. There used to be a setting for it to enable in the Mouse settings but my Mouse settings no longer have the option ...
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12 views

Inkscape randomly crashes with Uniconvertor errors after switching windows/virtual desktops

Basically, Inkscape will sometimes start opening dozens of errors, mostly with the following message: You need to install the UniConvertor software. For GNU/Linux: install the package python-...
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14 views

Coloured Emoticons on KDE Broke

I attempted to fix an issue where coloured emoticons were not appearing in Firefox while using KDE using the following using these instructions. I was able to fix the issue in Firefox but it resulted ...
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15 views

Files missing from a KDE vault encrypted folder

I have a single vault on my Kubuntu system, (fortunately not containing anything critical). As of yesterday this vault is empty, yet I have not deleted any of those files. Is there any way I can ...
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33 views

Prevent Screen tearing Kubuntu 18.10?

After (and before) installing NVidia drivers, I am experiencing a lot of screen tearing in both Chrome and Graveyard Keeper (an apparently native to linux steam game) I have 2 monitors, one plugged ...
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1answer
27 views

Kubuntu clock widget

Kubuntu plasma desktop shows wrong time in its time widget although the real time and timezone are set correctly. This issue appeared here some time ago but it looks like it is back in a new version ...
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1answer
33 views

Performing actions on my desktop causes it to crash

Today when I started it up laptop I had the default Kubuntu wallpaper (I had a different wallpaper and it booted to that). I thought it was odd so I right clicked to get to the desktop settings and I ...
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1answer
23 views

Kubuntu - kcm_printer_manager - Windows printer via SAMBA - Browse button greyed out

In /usr/bin/kcmshell5 kcm_printer_manager, when I click on "Add printer" and then on "Window printer via SAMBA", the "Browse" button is greyed out. Instead, by running system-config-printer (the ...
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11 views

Kubuntu Panels and effects not responding after 18.04.1 update

I recently updated from 16.04 to 18.04 a week ago. The bug appeared a day ago. When I woke my desktop from suspend, the top panel and the desktop effects just basically stopped working. I had ...
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Wifi widget not working in KDE Plasma 5.12.6 Ubuntu 18.04

I upgraded my ubuntu desktop from 16.04 to 18.04 and installed KDE on it. Now I can't see wifi network setting widget on my panel. I checked system tray settings but could not find the widget.
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1answer
36 views

Firefox doesn‘t start, because there‘s already a firefox process running

I‘m trying to launch firefox and it tells me, there‘d already be a firefox process running. I tried listing the processes using ps -A, but there is no firefox process listed. I also tried killall -9 ...
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2answers
85 views

Wakes from suspend immediately when bluetooth device disconnected

When I suspend my Dell XPS 13 9379, NetworkManager wakes it again immediately if my bluetooth mouse is not connected: # journalctl -ex ... systemd-logind[653]: Operation 'sleep' finished. ...
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37 views

Kubuntu 18.10 doesn't remember dual display settings after reboot (desktop computer)

I have 2 displays on my desktop, connected to my Radeon Vega 64, and just installed Kubuntu 18.10. Both are correctly identified and extended (not cloned), but the changes that I need are: 90 degree ...
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19 views

Breeze has unmet dependencies after trying to upgrade to 18.10 from 18.04

Yesterday I tried to upgrade my PC with Kubuntu to 18.10. During the installation process there occurred an error because of breeze (probably). Now I am stuck with 18.04 and can't execute apt upgrade ...
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81 views

My PC thinks my 2nd monitor is the primary monitor

When I deactivated my secondary monitor, instead of activating monitor 2, it deactivated monitor 1 instead. I made sure that monitor 1 is the primary by double checking NVIDIA settings, & Plasma'...
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1answer
46 views

How to choose input method on Kubuntu 18.04?

I have a new fresh Kubuntu installation. I have used Linux Mint and Ubuntu before, those OS have GUI settings for input method, where I can choose ibus or fcitx and type Vietnamese (my language, we ...
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1answer
112 views

Firefox becoming unresponsive after suspending on Kubuntu 18.10

I recently upgraded my Kubuntu system from 18.04 to 18.10. An issue that I've been experiencing since the upgrade has been that Firefox 63.0 has started becoming unresponsive after resuming the system ...
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34 views

(SOLVED) Nothing working on Kubuntu 18?

I just installed a Nvidia driver for my desktop. Now, nothing operates. Not even the reboot menu. Console? Nope. Browser? Nope. Watch the video here for what's going on. https://youtu.be/N5bzBHeMut0 ...
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disk fail/ file system corrupt at the installation with multiple and different iso on a new machine

I`m new to linux operating systems and i would like to ask you some question/solutions for this problem: https://external-preview.redd.it/nhy37wFoXBWfg42sFhHMFQtvaPm7hSDTTtvz1RCN7Rc.jpg?width=640&...
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1answer
41 views

Use accents with Japanese keyboard layout in Kubuntu

I would like to use french accents using the Japanese keyboard layout. Dead keys would be great, but I am willing to accept key combinations too. I just would not like to switch the layout, because ...
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1answer
59 views

How to activate application launcher using meta key

I'm on Kubuntu 18.04 and was able to activate the application launcher using the meta key before, but it is not working anymore. How can I enable it again?
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70 views

Plasma Discover stuck at 100% while installing a snap

I tried installing the RetroArch snap from within Plasma Discover. It is now stuck at "RetroArch - Installing: 0 B/s". What should I do?
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1answer
12 views

How to set a “3rd level” keyboard option in Kubuntu 18.04 for the Compose key?

OS: Kubuntu 18.04 I set the Compose key currently to the Alt key to the right of the spacebar but then I lose the normal functionality of that key. I don't know what 3rd level means in the image ...
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1answer
26 views

How to exit from magnified screen that moves with the mouse on Kubuntu 18.10?

I have accidently pressed some key combination that enabled a feature that I cannot turn off and cannot name. The visible desktop area I see on monitor is enlarged and as I move the cursor, the ...
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1answer
41 views

Kubuntu: unlock or disable keyring

Whenever I login to skype I get this keyring message. I don't remember setting any keyring or don't even know what it is. I can login to my kubuntu with my password but to unlock keyring same password ...
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3answers
206 views

MediathekView does not start in Kubuntu 18.10 (cosmic)

In Kubuntu 18.10 (cosmic) the application MediathekView crashes with the following error message: java.lang.NoClassDefFoundError: com/jidesoft/utils/ThreadCheckingRepaintManager Remark: the message ...
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1answer
26 views

Some fonts in plasma are blurry, others are not

So I'm using kubuntu 18.04 on my ThinkPad E480 (UHD 620 as main VGA, RX 550 as secondary) and I cannot seem to get this working. In some applications (like TeXstudio) fonts appear as very blurry. In ...
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1answer
23 views

Scale screen size Kubuntu 18.04

I installed Kubuntu but the display is going off the screen. I checked settings and there is no option for scaling the screen. Please help me out here. Thanks.
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44 views

Appstreamcli after 18.10 upgrade won't refresh

A few days ago I upgraded to Kubuntu 18.10. In software sources I have main, universe, restricted, and multiverse with source code and servers from Canada. uname -r shows: 4.18.0-10-generic ...
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28 views

PAM unable to dlopen pam_sss.so pam_cap.so pam_systemd.so pam_pwquality.so

Since yesterday i have a huge number of errors in journald log. New records appears at 3-5 in each second: окт 24 09:08:37 ripcomp su[7405]: PAM unable to dlopen(pam_sss.so): /lib/security/pam_sss.so:...
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52 views

Help! I upgraded to Kubuntu 18.10 and now I'm stuck in a login loop [duplicate]

So I upgraded Kubuntu from 18.04 to 18.10, but when I reboot, I am stuck at the login screen. When I enter my password, it either freezes or goes black and takes me back to the login screen. I used ...
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1answer
30 views

Alt+Drag Does Not Focus Window

When I use Alt+Mouse Left to easily drag windows around, the target window does not focus. Is there a setting somewhere to make the alt+dragged window automatically focus without resorting to focus on ...
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0answers
96 views

Create self morphing rectangles while taking screenshots

I am using Kubuntu 18.04.1 I assigned the following command to the keyboard shortcut Alt+Q. convert x: -modulate 100,0 -resize 400% -set density 300 png:- | tesseract stdin stdout | xsel -bi When I ...
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2answers
94 views

lsyncd enabled service is not autostarting on PC restart - Active: inactive (dead)

I have super simplified the question by merging all the previous edits lsyncd config file /etc/lsyncd/lsyncd.conf.lua settings { logfile = "/media/blueray/WDRed/_LsyncLog/lsyncd.log", ...
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1answer
56 views

KDE Plasma - Does not give the extension in “Create New” menu

Using KUbuntu 18.04.1 When I, right click in empty space > Create New > File Type The filename does not contain extension. I want the filename to contain extension like the following image. ...
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204 views

No GUI after Kubuntu 18.10 upgrade from 18.04 LTS

Summary I updated my (MSI GP72) laptop running Kubuntu 18.04 to 18.10, using sudo do-release-upgrade. The upgrade completed successfully and the system was restarted. Now the GUI doesn't show up. ...
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1answer
56 views

Internet speed reduction (on installed system) Kubuntu 18.04 LTS

I reinstalled my Kubuntu 18.04 system 3 weeks ago. I have installed updates in the last few days, then the internet speed has dropped significantly. Instead of 250/20 Mbit, only 20/15 Mbit can be ...