KDE-based Ubuntu variant

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14 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 ...
25
votes
5answers
51k views

How can I make mdadm auto-assemble RAID after each boot?

I successfully created a RAID (mirroring) by utilizing mdadm. However, I must run the following commands after each boot: mdadm --stop --scan // to stop /dev/md127 - I don't know where the number 127 ...
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1answer
30 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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0answers
25 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 ...
2
votes
1answer
32 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 ...
0
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1answer
22 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, ...
0
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1answer
56 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 ...
2
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3answers
1k views

Reset KDE System Monitor (KSysGuard)

Something went wrong while I was attempting to restore a backup, and KDE System Guard ceased to display properly. This is the correct display (command running from root: kdesudo ksysguard): This is ...
2
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2answers
113 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. ...
0
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1answer
40 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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0answers
82 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
42 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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0answers
98 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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0answers
78 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 ...
0
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1answer
15 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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0answers
33 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 ...
0
votes
1answer
632 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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0answers
20 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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0answers
331 views

How to upgrade KDE Plasma 5.2 to 5.3 in Kubuntu 15.04 Beta 2

I tried looking for a way to upgrade the KDE plasma version of my Kubuntu 15.04 Beta 2 to the latest one, 5.3. But there isn't much reference online about how to do it, except using Unstable Kubuntu ...
2
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0answers
104 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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2answers
173 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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2answers
469 views

Automatic wake up from “sleep” of kubuntu after ssh connection attempt

Is there a way to set Kubuntu up so that it wakes up automatically from sleep mode upon ssh connection attempt? I know there is something like WoL, but that's not what I need (am I right?).
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1answer
31 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
3k views

Dell Studio 1555 not starting up

This is a 3-year-old laptop. I never had a big problem with it until now. I updated Kubuntu the night before yesterday. And Firefox got updated to version 18 and a few other related packages got ...
4
votes
2answers
8k views

python3-pip installed but pip3 command not found?

I am testing a Python3 program in several computers. To do that, I need to install a library of Python with pip3. So first, I was installing python3-pip in each computer (everyone is running a ...
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2answers
13k views

How to configure applet plugin for OpenJDK in Firefox on Linux?

I am using Kubuntu 10.04 with Firefox 3.6 from Mozilla's website and I use OpenJDK from the Ubuntu repsitories. I want to know how do I configure OpenJDK with the Firefox to view Java applets in the ...
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0answers
61 views

Kubuntu freezes

I have a weird problem: I recently installed kubuntu 14.04 in my laptop(hp envy 17) and a few days ago the screen started to freeze without any reason, untill I close the lid and open it again. This ...
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1answer
79 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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0answers
214 views

Lenovo w540 doesn''t see external TV connected to miniDP/Thunderbolt

I'm trying to make my new Thinkpad W540 recognize the Samsung TV I'm connecting to it's thunderbolt connector. Nothing works. Both in Windows 7 and Kubuntu 14.04. Both 64 bit. All drivers are ...
0
votes
1answer
480 views

How to install TheBrain software on ubuntu/kubuntu?

I am completely new to Linux based operating systems and am having trouble installing programs. I downloaded the latest version of TheBrain but can't seem to install it. I've made the file executable ...
4
votes
3answers
4k views

Desktop not visible, doesn't show any icons in Kubuntu

I installed kubuntu few days back. By clicking blindly I lost my desktop - I mean it is working fine but there are no icons on the desktop and there is no task bar with list of programs. How can I ...
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0answers
626 views

Dropbox causes xorg to use 100% CPU

For some time, I noticed that my xorg process uses up between 60 and 100% of the CPU (according to top). I also noticed that interactive work becomes sluggish, even on my multi-core i7 processor. ...
2
votes
3answers
10k views

How To Use Host Serial Port From Guest In VirtualBox?

As an Embedded Software Engineer serial port access is very critical requirement for me irrespective off which OS I am using and how I am using it (I mean with or without virtualization). I have ...
0
votes
1answer
125 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 ...
2
votes
2answers
4k views

Samba and Windows 7 using NTLM security and user-mode authentication.

I built a new computer with the intention of it being primarily a home file server. I want Samba to use peer to peer networking using NTLM security and user-mode authentication. According to the ...
1
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1answer
6k views

How to solve the problem of broken package list on Kubuntu?

Please I am facing a recent problem with my system. The problem is as follows: 1. I am not able to open the synaptic manager at all. Receiving the error of: E: Encountered a section with no ...
0
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1answer
57 views

Ubuntu - Hot to bind an action to perform when high CPU temperature in Ubuntu?

Im using Kubuntu 13.04 - by default it just shutdown system, and I want to set it to suspend, to avoid loss of work progress. How can I do this?
0
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1answer
99 views

How can I disable input from the laptop keyboard in (Kubuntu) Linux?

I want to disable the laptop keyboard so that I can put a normal USB keyboard on top of it. Is there anyway to do it? I DON'T want to do it through X (i.e xinput float), because I need to be able to ...
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0answers
182 views

cifs mount locks processes after period of inactivity

I am successfully mounting our windows share on my ubuntu box (kubuntu in this case). However, after a period of inactivity any process that tries to access it will hang/lock up. It should be noted I ...
4
votes
1answer
875 views

Some keys don't appear in xev

I can't change my screen brightness by pressing brightness keys on the keyboard, but they change through /sys/class/backlight/acpi_video0/brightness. So I started to diagnose the issue. I ran xev, and ...
0
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1answer
34 views

Track where a daemon tries to find its config file

I have installed a daemon on a kubuntu system, that tries to find a specific config file in a unknown location. Have litterally filled the filesystem with symbolic links to the config file but still ...
4
votes
2answers
2k views

How I can hide a user from the login screen?

I have Kubuntu 9.04 and I want to hide a user from appearing in the Login Screen, I shouldn't remove it permanently of course, but I need to make it visible again when needed.
3
votes
1answer
317 views

VIM “upgraded” to expandtab and tabstop=8 on Python files

After reinstalling my OS from Kubuntu 12.10 to Kubuntu 14.04, VIM has changed its behaviour when editing Python files. Though before the reinstall all file types had noexpandtab and tabstop=4 set, now ...
0
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0answers
70 views

No Network Access When Connecting to Ethernet Network with 802.1x in Kubuntu

I seem to have exhausted all my possible solutions here. I'm at school and their Wifi is in the process of being fixed/updated. In the mean time, Wired/ethernet would be much more convenient. I ...
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votes
8answers
3k views

How to make emacs truly full screen on start up?

I want emacs to be truly maximized on start up. There are solutions to the problem that just make the emacs window width of the screen. That's not enough for me. I want the emacs window to be docked ...
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0answers
423 views

Kubuntu guest on Windows 8.1 Hyper-V won't shut down completely

I've got a Windows 8.1 Professional laptop with Hyper-V installed, and a Kubuntu 14.04 Desktop VM. When I shutdown the Kubuntu VM, most of the time it gets to the logo screen, and just sits there. ...
6
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2answers
12k views

How do I add/modify/remove startup programs in KDE?

I am looking for application which allow me to manage the startup programs in KDE. Just like BootUp-Manager in Ubuntu (Gnome).
0
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1answer
126 views

How to connect to a VPN?

I am a newbie on this subject, and I was told to connect to a VPN from my computer, which is running Kubuntu 13.10. I was also given the server to connect to (vpn.server_x.com:81), a user and its ...
0
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2answers
57 views

Syncing directory between Kubuntu and Windows 7

I recently came across an issue on my work computer. I'm running Kubuntu 14.04 as my main development OS and Windows 7 for compatibility with some company software and network stuff. My problem is ...
-2
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1answer
176 views

What is this SSD in my laptop

I have a laptop running Kubuntu. This laptop comes with a 32GB SSD inside. Is it a drive that I may store any old files on it? If possible, I would like to put my operating system onto it so I may ...