KDE-based Ubuntu variant

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Has Kubuntu 15.10 been hacked?

Can someone tell me what this message means please? [system] Rejected send message, 10 matched rules; type="method_return", sender=":1.19" (uid=0 pid=1183 comm="/usr/sbin/dnsmasq --no-resolv ...
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27 views

Kubuntu 16.04: successful installation but it doesn't appear

I managed to install the new Kubuntu 16.04 from a USB stick with the .iso file. The installation is fine, as I created a partition on the HD alongside with Windows 7. However, when restarting the ...
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33 views

Cannot upgrade Windows 7 Pro 64bit to Windows 10 on Dell Vostro 3460 (dual boot with Kubuntu)

I am trying to upgrade Windows 7 Pro 64bit in my dell vostro 3460 to Windows 10, however when the instalation procedure is reboots the machine for the first time, it loads Windows 7 again and the ...
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4 views

Cycle Through Windows on active screen

I have twin view set up in KDE and woudl like to cycle through the windows on the active screen. So if I'm working on my left screen, I'd like to be able to "Alt-Tab" through the windows ONLY on my ...
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78 views

Kubuntu live cd via PXE on server 2012r2

I am attempting to PXE boot the kubuntu live CD ( prepped to be booted on a usb drive, then files placed on a NFS share with root acces read/write to everyone ) the PXE boot menu component launched ...
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4 views

startx stuck with command line outputs

I'm using kubuntu 14.04. When i switched my computer on, it went straight to command line. I tried startx and the output is as follows In Xorg.0.log , Fatal server error: no screens found ...
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1answer
26 views

GeForce 210 support for OpenGL 4.x on Linux

The GeForce 210 card has hardware OpenGL 3.x capable. Is it possible to make that the card supports OpenGL 4.1 at least? Maybe with some software library? PS. The computer has installed Kubuntu 15.10 ...
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32 views

Kubuntu 14.04 high memory usage

My problem is the following: The used RAM just keeps on building up over time and after about an hour the top command says that I have about 30-40 MB RAM left. Then, after about 1 or 2 minutes, my ...
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10 views

Using extended multiple monitors in Kubuntu 14.10 Plasma 4

I use VirtualBox 4.3.12 r93733: Guest OS: Kubuntu 14.10 Plasma 4 x64 Host OS: Windows 7 SP1 x64 Ultimate I configured the virtual machine to have 2 monitors: When I launch Kubuntu 14.10 Plasma ...
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68 views

KDE - “/media/dev/path is a folder, but a file was expected” error

I have a Kubuntu 15.10 installation (fully updated). Sometimes when I try to copy some files/folder the OS throws "/media/dev/path is a folder, but a file was expected" error. Screengrabs (Click on ...
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55 views

VLC video playback is trimmed and blacked out

I am using Kubuntu 15.10 and recently I have updated the version to the latest backport version. But soon after the update VLC has started making weird output. VLC is cropping out the video and the ...
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34 views

64bit Kubuntu running in 32bit mode?

I've recently installed Virtual Box, and was confused as to why it doesn't offer any 64bit versions of any OS. So I looked into what I've got installed, and found three different commands to try to ...
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31 views

X11-forwarding windows vs linux

Recently I tried to forward X11 from my raspberry pi to my windows computer using xming and putty. Everything easy to setup and works great. Some days later I tried to do the same to my kubuntu ...
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2answers
109 views

Kubuntu USB Failed to Boot With UEFI

I was trying to install Kubuntu to an MSI laptop with a UEFI BIOS. It has a Windows 10 already and I'd like to have a dual boot. I downloaded the Kubuntu 15.10 ISO from their official website and ...
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2answers
16 views

How can I use lm-sensors in Celsius?

I have done this before but I can't seem to find it again online, so I'm posting here to make it easier for future seekers (and to get an answer!) I am using Kubuntu 14.04 and I have the hardware ...
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28 views

KDE - When switching between apps (Alt + tab), bring all windows of that app to the front

I'm on Plasma 5 on KDE. I checked the KWin settings but to no avail. I normally have a few Firefox windows open (for debugging). On OSX, when I cmd-tab to an app, all windows of that app are brought ...
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1answer
46 views

Can .xsession-errors be cleared while KDE is running?

In general, I like the ability to see the log messages in .xsession-errors, and possibly attach them to automated bug reports. But sometimes this file contains sensitive data that I would like to ...
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21 views

Sharp MX4101N trouble, Kubuntu 15.10 Printer Setup

I'm having trouble specifically adding a Sharp MX-4101N printer to my Kubuntu 15.10 install. This printer is networked but is not recognized as similar networked printers are on my machine. Most ...
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7 views

Interaction with Kubuntu Irc channel crashes Quassel

I use Quassel as my irc client and have lately run into the following problem. The Kubuntu IRC network will not connect and if ever I go into the Configure Networks menu to delete it, the second that ...
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15 views

Trying (and failing) to put music on iPod Touch 2G via Kubuntu Linux

After trying many different music players and tutorials, I've come here for help. I have an old iPod Touch 2G that I would like to put some music on (and jailbreak, if possible). However, the only ...
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43 views

Is it possible to disable drag and drop in Kubuntu >= 15 (plasma5) for the task bar?

I got a new mouse which makes annoying interruptive drags. It happen something with Firefox tabs, but mostly with the KDE task bar. Indeed we can drag and drop programs opened from the task bar to ...
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1answer
9 views

Broken package list in kubuntu

sudo apt-get update && sudo apt-get install -f When I try this in terminal. It says The package list or status file could not be parsed or open What should I do?. Please help me immediately. ...
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28 views

how to fix missing files from ubuntu 14.04 livecd

There are a couple of mesa files missing from my Ubuntu installation, so I am running a liveCD now and trying to enter hd LVM-type partition and add them, possibly using the command sudo apt-get ...
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124 views

Kubuntu boots slowly when using USB 3.0 hub

When booting my Dell XPS 13 (2013, L322X) with kubuntu 15.04 with Plasma 5 and nothing attached i get a start up time of ca 9 seconds. When i attach my USB 3.0 hub I get ca 30 seconds. That is even ...
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19 views

How to (re-)enable KDE sub-menu indicator?

I upgraded from Kubuntu 14.10 to 15.04, because "no more updates" also seems to mean "broken respositories". I switched the desktop "Application Launcher" menu to "Application Menu". As compared to ...
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91 views

How to connect to VPN without using Shrew Soft VPN?

I'm trying to connect to a VPN. I was given a user, a password, a config file and the Shrew Soft VPN exe file, but I'm running Kubuntu 13.10. I read that it's not necessary to install Shrew Soft VPN ...
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141 views

Installing hybrid amd/intel graphics driver on kubuntu

I've recently installed Kubuntu on my Lenovo g500 laptop that uses the good ol' switchable graphics. My problem is that when I install amd drivers using sudo apt-get fglrx Kubuntu won't go ...
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85 views

VNC in Kubuntu (KDE) 14.04 to inactive screen session?

I'm running Kubuntu 14.04. I have two KDE sessions logged in with two different users (alpha and bravo). In other words, I booted up, logged in as alpha, then clicked "Switch User" in the K start ...
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38 views

What is the shortcut key for Display Configuration settings in Kubuntu? (Mirror displays eg)

For example, I get all I want in Windows with Windows+P -shortcut. Is there equivalent in Kubuntu? With 2 displays: Primary only, Mirror displays, Secondary only, Extended.
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17 views

Why do my USB ports work when booting from a flash stick, but not in the installed OS?

I'm building my first computer, I set it up to dual-boot Windows 7 and Kubuntu 14.04.2. Everything worked great when it was running off the bootable USB for Kubuntu, but when I actually installed them ...
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94 views

Firefox crashing on Kubuntu (Linux Ubuntu) Half a dozen times a day on closing application

My firefox application crashes on closing half a dozen times a day. I'm running Kubuntu 14.04.2 (Linux) Firefox 39.0 I tried changing Firefox settings to suppress the reports but to no avail. Hope ...
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2answers
814 views

Synergy lags extremely hard

I’m using Synergy 1.7.3 and using a Windows 7-Desktop as the server and a Kubuntu-Laptop as client. My laptop is connected to my router via WLAN and my desktop is connected via cable. I have no idea ...
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1answer
195 views

Lock screen after > 99 minutes in KDE Plasma 5

I'm using Kubuntu 15.04 and the plasma 5 sytem settings GUI has a very annoying (presumably artificial) upper limit of locking the screen after 99 minutes. Is there some alternative way to set this ...
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1answer
74 views

error phpunit executable not found

In an API project, we have composer.json set to the following: { "require-dev": { "phpunit/phpunit": "4.7.*" }, "require": { "monolog/monolog": "1.5.*" } } And, ...
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318 views

“Could not enter folder /media/sf_test”: Trying to share folder between Kubuntu (guest) and Windows (host)

I use VirtualBox 4.3.12 on Windows 7 SP1 x64 Ultimate, and have a VM running Kubuntu 14.10 Plasma 4. I installed the Guest Additions, and added a shared folder: After rebooting Kubuntu, I can ...
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1answer
123 views

outputting to a 3rd monitor using a switch with a graphics card that only supports 2 displays

Is there a way to fool kubuntu into thinking that a 3rd monitor on a hardware switch is the same monitor - same screen resolution etc? And therefore be able to switch between a second and third ...
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138 views

Nothing will launch in VirtualBox Kubuntu 15.04

I installed Kubuntu 15.04 in virtual box on a Windows 7 Pro 64 bit host. It installed fine and so did guest additions. However, when I boot up the machine, I am able to log in, but when trying to ...
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1answer
153 views

Wireless at 200 dBm?

So my desktop computer comes with a built-in wireless adapter part of the motherboard and now I installed an Alpha wi-fi adapter to play around with. The built in wifi on wlan0 says it's running at ...
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262 views

Linux: Block all applications from accessing internet and whitelist some (Kubuntu 14.04)

How can you block all applications from accessing the internet in Kubuntu, and only whitelist some? (To prevent automatic updates, downloads (data plan), "calling home" and sending any log/usage ...
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151 views

Can not connect to Kubuntu GUI via remote desktop

I do not know what happened but I can not start my Kubuntu GUI via remote desktop. When I connect to machine I see terminal. I tried to do sudo startx and I've got following output: What else do I ...
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1answer
24 views

How can I make konsole re-arrange lines on the terminal based on a change in window size?

On some computers I work with, if you change the window size, those lines which have already been printed to the screen dynamically change to fit the new version. My new installation of Kubuntu 14.04 ...
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66 views

wired mouse wheel sensitivity adjustment

I just upgraded from Kubuntu 14.10 to Kubuntu 15.04, but a problem persists among all the versions I've tried since long ago: my usb mouse wheel don't behave as expected. Even if I turn it very slowly ...
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2answers
211 views

Java Swing apps steal/don't release focus in KDE

Kubuntu 14.04 (64bit) with KDE 4.13.3, Java Oracle 1.7.0_80-b15 This problem first occured in 12.04 and persists. Java version does not affect the behaviour, i.e. the same happens with 1.6 to 1.8. ...
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26 views

Installed Kubuntu on old hard drive and now it's making loud clicking noises

I recently installed Kubuntu on a very old hard drive (it's 10 years old at least). It installed OK, but when I started the computer, I heard the hard drive making loud noises – sounds most like the ...
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319 views

How can I change the screen position of krunner in KDE Plasma 5.x?

I have just updated to Kubuntu 15.04 and can't find out how to change the position of krunner (the little search window that appears when I press Alt+F2) so that it appears in the center of the screen ...
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1answer
3k views

Kubuntu 15.04 installation error “Ubi-partman failed with exit code 141”

During the installation of Kubuntu 15.04, I get the error "Ubi-partman failed with exit code 141". I did some researcher on the topic and found that one popular reason for the problem is having ...
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1answer
50 views

Kubuntu not booting after reboot

I am running Kubuntu 14.04, and it was working perfectly fine until the home partition got filled to 100% (my / and /home are on two different partitions). Many applications began throwing errors ...
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2answers
323 views

Create shortcut for Konsole with stylesheet

I'm using Konsole, and i have this wonderful stylesheet that colors the active tab >> cat ~/tab.qss QTabBar::tab:selected, QTabBar::tab:hover { background: #99BDDA; } QTabBar::tab:selected ...
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1answer
117 views

after pressing ctr alt f1 and rebooting I always have a black screen

In kubuntu, I originally tried to bring back the bottom bar of kde and when I pressed ctr alt f1, the command exit didn't work so I pressed the power button for reboot ... now kde never appears, ...
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1answer
171 views

VirtualBox RAM memory issue

Host PC: Windows 8.1 Enterprise x64 Processor: 3.4 GHz Intel Core i3-4130 RAM: 4 GB DDR3 I'm creating a virtual PC which will run Kubuntu 14.04 LTS. I lost the ISO but have a bootable USB stick ...