The official Ubuntu derivative using the KDE Plasma Desktop

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How do I prevent Kubuntu from forgetting its sticky keys settings?

I'm running Kubuntu 14.04 and very often it forgets its settings that sticky keys are turned on by default? In Accessibility → Sticky Keys, Use Sticky Keys and lock Sticky Keys are marked. At least ...
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584 views

How do I disable KDE Wallet?

KDE Wallet keeps popping up whenever try to add or remove connections in the Network Manager. I would like to disable the KDE Wallet system altogether. In Kubuntu 14.04 I could disable KDE Wallet ...
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20 views

How to measure input levels test on Kubuntu?

I noticed that in Ubuntu the sound/volume tool gives the chance to change the input volume/level while you speak through the microphone and there is a bar giving you the measure for the volume of your ...
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282 views

Can not shut down Kubuntu 15.04

I upgraded my Kubuntu system from 14.10 to 15.04. Now I can not shut down or log out from the system using the gui's menu. When I click on the shutdown button, ksmserver goes to 100% CPU and nothing ...
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284 views

Graphical mode only in rescue mode after upgrade to 15.4 Kubuntu

I upgradded to 15.4, now my GUI is blank when booting regular. But iam able to boot the GUI while selecting rescue mode. apt-get update && apt-get-upgrade Says ecerything is up 2 date I ...
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59 views

Kubuntu - The package ttf-mscorefonts-installer needs to be reinstalled, but I can't find an archive for it

I'm trying to install pipelight, however I keep getting this issue. The package ttf-mscorefonts-installer needs to be reinstalled, but I can't find an archive for it.
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809 views

Fresh Kubuntu 15.04 installation hangs on boot

I've just done a fresh installation of Kubuntu 15.04 on my Macbook Pro retina (june 2014) and it seems to get stuck somewhere during booting. I suspect it has troubles with the wireless adapter in my ...
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166 views

How to add and enable rewrite module in manually installed apache httpd web server?

I installed apache httpd server by compiling source on Kubuntu 14.10. I followed wget http://www.us.apache.org/dist//httpd/httpd-2.2.29.tar.gz tar -xzf httpd-2.2.29.tar.gz cd httpd-2.2.29 ./configure ...
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49 views

Wine/Orbiter Performance Issues on Kubuntu

I downloaded the Orbiter spaceflight simulator (build 100830) from the official website. When running Orbiter, I get ~1 FPS, and it maxes out one of my CPU's cores (I have an i5). I run Orbiter by ...
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548 views

Bootloader location, dual boot Ubuntu 14.10 & Kubuntu 15.04

I am currently running Ubuntu 14.10 on my laptop. I dual boot with Windows 8.1, and now I would like to install Kubuntu 15.04 alongside all this to see if KDE Plasma 5.2 + SDDM works with nvidia-prime ...
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111 views

How to re-enable or re-install outer glow effect on windows edges and transparency effect on drag?

I recently installed Kubuntu 14.04 and available updates. Then I got several broken packages. I've already asked an question to fix the broken packages. Now I noticed that I lost some visual desktop ...
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591 views

Synaptics drivers are not loading on Kubuntu 14.10 on Toshiba Portege R30-A X3300

I am using Toshiba Portege R30-A X3300 with Kubuntu 14.10. everything is working fine except scrolling and multitouch features. In the Start-menu > Settings > System Setting > input devices > ...
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50 views

No focus in the LibreOffice find dialogue

Since recently the find dialogue in my LibreOffice appears in the system window frame. Probably as a result of this change, when I click CTRL + F to search for a text string inside the document, ...
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98 views

usb-creator fails - cannot generate usb disk

Using Kubuntu 14.10 64Bit, to reproduce select Kubuntu 14.10 64bit ISO image use a USB key of 8Gb or more (tried VARIOUS BRAND) select erase disk assign 4Gb for the persistent disk start the ...
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522 views

Kubuntu - External Monitor not detected

I have a second Monitor now and it's plugged into the VGA Port of my Thinkpad W530. But the monitor is not detected. I have 2 Graphic Units, so it should be able to work with 2 Monitors. I use ...
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22 views

How to get a different number of spaces with the tab in Kate when writing in different programming languages

I want to get a different number of spaces when I press the tabulator in Kate depending on the computer language I'm using. For example in a html file I want the tab to produce two spaces but in C I ...
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79 views

Kubuntu 14.10, .zshenv is sourced twice

I have added some directories into $PATH variable in my ~/.zshenv conf file. After reboot I noticed that these paths are appeared twice. I tried to print call stacks and got the following: .zshenv ...
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158 views

Preventing keyring from remembering password during session for SSH with private key on Kubuntu

Kubuntu 14.04 Whenever I attempt to SSH into a server with a private key, I am asked to "Enter password to unlock the private key". However, this then remembers the password until I completely log ...
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1k views

Remote desktop or VNC into Kubuntu 14.10 from windows

I've had another post on here dealing with beta version/realvnc, I've since started over and am using Kubuntu 14.10 with KDE plasma (the gold release). At this point I'm looking for any solution to ...
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147 views

Kubuntu 14.04 crashes on boot on Asus PC

After successfully installing Kubuntu 13.10 (64bit) on my Asus PC, I tried to upgrade to 14.04. After the upgrade completed and I tried to restart, the boot process crashes with a kernel panic, see ...
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49 views

how to get gnome environment while working in gnome

just some moments ago I installed kubuntu environment and switched to kubuntu but when i return to my GNOME desktop environmentI cannot get the pure desktop and many applications appear as if they are ...
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989 views

Problems with Ibus & Ibus-hangul in Kubuntu 14.04

I am relatively new to Linux, but I have had Ibus working with Hangul (Korean) input in the past with Linux Mint 16 & Ubuntu 14.04 I have just installed Kubuntu 14.04 but can't get Ibus to run ...
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573 views

Kubuntu desktop icons disappearing on reboot

I recently installed Kubuntu 14.04. I have the desktop layout set as Folder View and everything is fine, but sometimes when I reboot it shows this: So all I can see is a scrollbar and no icons. If ...
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219 views

Set the default program to PDF Studio 8 Pro

I just installed Kubuntu 14.04 KDE on my laptop, and installed a PDF Studio 8 Pro which I purchased from qoppa.com. I have the same program installed on my other computer, which runs on Linux Mint 16 ...
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865 views

How to set font for GTK applications on Kubuntu 14.04?

I am trying to use the same font in Kubuntu 14.04 both for native KDE apps and for GTK apps. If I use the GTK entry on System Preferences to set up the font, I see the following problems: 1: Only ...
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218 views

Software Properties will not run

I can't configure repositories and things on my Kubuntu 14.04 LTS system. When I run kdesudo software-properties-kde it asks me for my password then gives this traceback message: Traceback (most ...
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598 views

How to select which application should be used by open containing folder?

I have already read some questions and answers here and on the internet, but I wasn't able to solve my problem. I think it is related to having installed both ubuntu-desktop and kubuntu-desktop. I ...
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56 views

I have network problems with kubuntu

I recently installed kubuntu and for some reason its not picking up on my wireless network. Im sort of new at this so please try to keep it as simple as possible. Thank you in advance.
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1k views

Sending sound only through HDMI (kubuntu)

So I am a new user to Ubuntu coming from Windows, and I wanted to connect my PC to the TV via HDMI. I have and it works perfectly, however, I have the sound coming from both the TV and the PC and it ...
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107 views

Wastebin full error in Kubuntu

I'm trying to delete files from a USB flash drive and I get the following message: The wastebin has reached its maximum size! Empty the wastebin manually. There are no files in the wastebin ...
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371 views

How can I prevent auto-mounting of a partition in fstab?

Previously, I prevented auto-mounting of a particular partition at boot by the following line in /etc/fstab UUID=<alphanumeric> /media/windowsHDD ntfs user,noauto 0 0 At some point in the ...
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164 views

Kubuntu 13.10 changing x mode after login

I have a QNIX 2710 monitor which reports bad EDID. Using the nouveau module the screen works fine @ 2560x1440 however the performance isn't ideal so I wish to use the nvidia binary. I have installed ...
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47 views

wine nsf screen resolution

I play NFS with Wine in Kubuntu. As usual, NFS changed my screen resolution to low, but after it finished, it didn't restore the screen to normal resolution. I found some code to restore the ...
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427 views

Kubuntu's TTY resolution too low after installing nvidia-current

After installing Kubuntu on a Notebook with GeForce Go 6100 graphics card, the tty's were working correctly, but the KDE desktop wouldn't display anything correctly. After installing the nVidia driver ...
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128 views

Setting which brightness determines screen brightness

I'm having an issue running Kubuntu 13.04 with brightness, something that seems common. In particular, brightness can be found in these 2 directories: /sys/class/backlight/acpi_video0/brightness ...
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2k views

Converting an ARF file using nbr2mp4 with Kubuntu 13.10

I followed the NBR2MP4 converter procedure on the WebEx site and also reviewed the step-by step instructions at http://askubuntu.com/a/362719/219130 but no matter what I do, it just doesn't work (i.e. ...
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2k views

When I start Eclipse 4.3 I get “Invalid Configuration Location” error

When I first installed Eclipse 4.3 (Kepler) it ran A-Okay. I even did a Java program. When I shut down Eclipse and ran it again later, I got the error message below. Thinking I did something wrong ...
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164 views

kUbuntu kickstarter transparency

I have a problem on Kubuntu, the kickstarter (start menu thing) was transparent till today, now its not transparent anymore, and I didn't changeany settings or so, all my theme things are like before ...
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1k views

I have the iso image but wubi again downloading the whole data?

I downloaded the Kubuntu 13.10 via torrent. But when I extracted the data and attempted to install Kubuntu while in Windows, the Wubi connects to the internet and downloads the whole ISO data again, ...
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470 views

Network Manager drops wifi and won't remember password

I just updated my (K)Ubuntu 12.04 certified Asus laptop to Kubuntu 13.10. Now wifi drops at least every 10 minutes, and sometimes several times per minute. It's a wireless-n network with WPA2-PSK. It ...
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1answer
52 views

Deleted directory doesn't appear at the bin and doesn't give the free space back

I'm using Kubuntu. My disk was full some days ago and the system requested me to delete files. I deleted a ~17GB directory, but it didn't appear at the bin and didn't released the space. What could ...
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602 views

KCM GTK settings ignored, how can I make GTK apps use KDE icons?

I am using Kubuntu 13.04 (Raring) 64-bit. After upgrading to KDE SC 4.11.2 (from ppa:kubuntu-ppa/backports) GTK applications mostly do not use the icons selected in Kubuntu's GTK KCM. I say mostly ...
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420 views

LibreOffice - Silent Crash on 4.1.1.2

Just installed (a few days ago) the latest update to LibreOffice, being Version: 4.1.1.2 [Build ID: 410m0(Build:2)]. Kubuntu version is Raring. Source was the LO ppa on launchpad. Installed fine with ...
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1answer
511 views

lowering CPU load average, Kubuntu 12.04

I've got a question about lowering CPU loads, if I understand correctly when I issue the 'uptime' command I get 3 values representing 5, 10 and 15 minutes of average CPU load. My current stats are ...
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281 views

Wifi Connection up and down Kubuntu 13.04

Currently I am using an ethernet cable. The problem is that my wifi connection is up and down, sometimes it works sometimes it doesn't. I get a list of networks to choose from and instead of ...
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974 views

Using nVidia Graphics card on Kubuntu 13.04

I tried to install the nVidia graphics card using the answer in "You do not appear to be using the nvidia x server"(screenshot included) since I was having rendering issues and my laptop ...
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144 views

Kubuntu white stripes Ubuntu 12.04

I made a clean installation of Ubuntu 12.04 and added the Kubuntu desktop. Now I have white stripes at the bottom of the desktop (in the task bar) they are paired and in a regular distance to each ...
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182 views

How to forbid Kubuntu 13.04 Task Manager to group similar instances of an opened program?

Kubuntu Task Manager (taskbar at the bottom of the desktop) groups similar instances of a program. How forbid it? I want similar instances follow one another.
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103 views

external monitor unstable

I have recently attached an external monitor (Iiyama LCD) to my Lenovo T430S (Intel HD4000). Attaching went fine with the automagic setup etc., but the image on the external monitor is a bit unstable ...
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4k views

How can I troubleshoot why Ubuntu keeps crashing on my laptop?

I have a one year old Acer Aspire 4752G netbook running Kubuntu 12.04 LTS with all the latest distribution updates installed. It was previously running great until about a week ago when it suddenly ...