The official Ubuntu derivative using the KDE Plasma Desktop

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cannot connect to wifi after recent update on Kubuntu

I need advise. i cant connect to any wifi signal that available in wireless connection. fyi, i just recently update the kubuntu. Does it have any impact on this? If yes, please help me..
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9 views

missing some icons in KDE 5 launcher and tray after installing unity

I have kubuntu 15.04 on my laptop. last night I installed unity desktop using the command: sudo apt-get install ubuntu-desktop on my laptop. but after first restart I missed some of my application ...
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11 views

Problems with Qualcomm Atheros AR9285 Wireless Network Adapter

I'am sorry to ask about this hardware again, but the problem is: ==lspci: 01:00.0 Network controller: Qualcomm Atheros AR9285 Wireless Network Adapter (PCI-Express) (rev 01) ==lshw -C network ...
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7 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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1answer
23 views

wifi problem after connecting to wired connection in kubuntu 15.04

A few days ago I installed Kubuntu 15.04 on my laptop. in first day I had no problem using WiFi at home but in my office I have no WiFi and I have to use a wired Ethernet cable to connect to the ...
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12 views

GRUB_CMDLINE_LINUX=“cgroup_enable=memory swapaccount=1” crashes plasma 5

Following the instructions found here I modified my /etc/default/grub with this line: GRUB_CMDLINE_LINUX="cgroup_enable=memory swapaccount=1" on a kubuntu 14.04 and a kubuntu 15.04 machines. The ...
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10 views

DBus Error while Packagekit Install

I have been trying to install Packagekit-1.0.6, the latest build from their website: http://www.freedesktop.org/software/PackageKit/releases/ I installed all the dependencies by sudo apt-get ...
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1answer
11 views

Unable to run .Jar file for a RSPS?

I'm trying to run a .jar file that I've downloaded for a Runescape Private Server (I'm not trying to host, I'm just trying to play another server). However when I run it in my terminal it says: ...
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13 views

Laptop runs much slower after installing KDE environment Ubuntu 15.04

Recently after installing the kde environment (onto normal ubuntu 15.04, through 1 simple package install after completely removing the xfce environment.) i have noticed the massive increase in boot ...
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1answer
33 views

No network-manager in Kubuntu 15.04

I have a fresh Kubuntu 15.04 install. When I go to the icon, right click, Networks Settings, I end up in this window: Update: Same thing happens for Updates settings.
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1answer
40 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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1answer
43 views

Plasma effects lost in Kubuntu 15.04

I had some crash reports after trying to change virtual desks of windows by dragging. I realized it had to do with cube animations. And after trying some configurations, having new crashes and ...
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17 views

Fail after seond reboot when going to Kubuntu vivid from 14.10

My wife's Eurocom Laptop was running Kubuntu 14.10 and telling her she needed to do a version upgrade. But clicking on the upgrade button in apper was failing with a error 127. We tried running a ...
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13 views

Can't get USB microphone to be recognized

I'm using Kubuntu 14.04, and I'm having trouble getting the microphone on my headset to be recognized. The speakers portion of the headset works fine, and both parts work fine on a Windows machine. ...
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22 views

How to change the graphic settings in Kubuntu 15.04

and thanks for taking a look at my problem. I have a Kubuntu 15.04, upgraded from 14.10 and whenever I open a session the borders in every breeze theme window show a black corner and the preview of ...
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1answer
37 views

How to allow desktop to be used in Kubuntu 15.04

Hi guys I recently installed Kubuntu 15.04 and I cant for the life of me figure out to to unlock the desktop so that I can drag and drop files there. Its an important part of my workflow and I would ...
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22 views

How to make KDE remember your opened windows across sessions?

This used to work on Kubuntu 14, 13, etc... but since the upgrade to Kubuntu 15.04, after I login only some of my windows re-open automatically. And some of those that do are not in the position I ...
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1answer
77 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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51 views

Kubuntu 15.04 unable to get SDDM back after screen timeout

15.04 starts up OK. Can login OK. After a period of inactivity, the screen goes black. Presing keyboard to wake system up leaves the screen black. Can get a keyboard seesion with Ctrl Alt F1 . Alt F7 ...
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1answer
21 views

How can I contribute artwork to kubuntu?

I recently installed kubuntu on my PC. I would like to change the icon of the system task bar and submit the icon so that it can replace the default icon in the kubuntu KDE 5 breeze theme. Please ...
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1answer
30 views

How can I get the Plasma 5 Device Notifier to give me appropriate options for DVDs after upgrading from Kubuntu 14.10 to 15.04?

Previous to installing Kubuntu 15.04, I was using Kubuntu 14.10 with Plasma 4. There, the Device Notifier would give me a number of options for Video Discs which I inserted. These included playing the ...
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14 views

Does Ubuntu commercial support supports Kubuntu 15.04?

Does Ubuntu commercial support supports Kubuntu 15.04? The big difference between Ubuntu an Kubuntu of course KDE desktop, but what if I need support for hardware and interconnect problems (related ...
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1answer
16 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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14 views

I can't enable Pipelight?

I've been trying to install pipelight on Kubuntu (I've dual booted into it on my chromebook). However when I attempt to enable pipelight it doesn't work. (precise)george@localhost:~$ sudo ...
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90 views

Black screen on wake since 15.04 upgrade (ATI)

Similar to this post Black screen on upgrading to 15.04 but since the hardware and conditions are different (Heathrow XT Radeon HD 7870M), I'll start another thread. If I use the fglrx driver, the ...
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1answer
26 views

Swap does not work in Kubuntu 15.04

I've installed Kubuntu 15.04. It seems that swap doesn't work: free -m: total used free shared buffers cached Mem: 3706 3109 596 197 ...
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2answers
59 views

Dead keys on Firefox Kubuntu 15.04

I use the GR-el version of the latest Firefox on Kubuntu 15.04. After the latest (2015-May-1) update, I can't have dead keys produce accents for (Greek GR-el / UTF-8). I can bypass this problem by ...
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1answer
23 views

Wlan0 interface gone after a reboot

I am using kubuntu 14.04 on my HP laptop, but I can't connect to my wifi. ifconfig returns eth0 and lo as the only interfaces. ifconfig -a shows the wlan0 interface. Tried ifconfig wlan0 up gives ...
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38 views

How to install lxde without crashing in kubuntu 15.04

I recently installed kubuntu 15.04 on my PC. After that I installed lxde from the code :- sudo apt-get lubuntu-desktop After choosing light DM and successful installation I restarted the PC , then ...
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11 views

Kubuntu 14 and a very old hardrive [migrated]

I recently installed Kubuntu on a very old hardrive (its 10 years old at least). It installed ok, but when I started the computer, I heard the hardrive making loud noises- sounds most like the ...
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1answer
54 views

Clean Kubuntu 15.04 install - How do I include make my old home partition from 14.04 as new /home

Basically I want to use my old home partition as my new home following a clean install of kubuntu 15.04 over the old kubuntu 14.04 partition. Because of all the data there. I understand that it will ...
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93 views

Kubuntu 15.04 Freezes On Startup

I have a fresh installation of Kubuntu 15.04. Every few boots, it freezes completely during startup with the kubuntu logo showing before the login screen shows, ctrl+alt+F# / ctrl+alt+del do nothing. ...
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14 views

Is there a way to create folders in lamp in kubuntu 15.04 [duplicate]

I have recently installed kubuntu 15.04 and lamp in my laptop but I can't create folders and files inside "/var/www/..."! Does anyone know how to activate "open as administrator" plugin?
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36 views

How to disable “extra packages can be installed” popup in Kubuntu 15.04?

Kubuntu 15.04 shows a notification (and a taskbar icon) on each boot, after the log in, offering me to install extra packages, specifically flash, and I really don't want to install it. I've pressed ...
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1answer
20 views

libgnomeprint breaks Plasma 5 desktop

I am running Kubuntu 15.04 with the Plasma 5 desktop. Yesterday I tried to install Stata 12 on my machine as I did many times before with previous Ubuntu versions. After finishing the installation ...
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69 views

How to show all sources in Plasma 5 Volume control?

I am using Ubuntu 15 and KDE Plasma 5. On 14.04. KDE Sound Mixer: How to show volume controls for every source, so one can adjust the volume per application. Now I only see the master volume slider? ...
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2answers
274 views

Ubuntu 15.04 with kubuntu freeze on login screen

I have update to ubuntu 15.04 with kubuntu. But It freeze on login screen.I can not do anything even ctrl+alt+f2. Some time I can login using recovery mode but some time that also fails.It also ...
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1answer
25 views

VLC video playback is choppy on Vivid with nvidia-346

I'm running Kubuntu Vivid, and have an Nvidia 940GM card on my Inspiron laptop. When using the nvidia-346 driver, VLC plays choppy videos (video seems "pixelized" with green dots appearing). The ...
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58 views

Some problems in (K)ubuntu 15.04

I installed Kubutu 15.04 some days ago. Rather than beauty and almost big user-facing changes that rarely occurred in recent versions, I see some problem (bugs?!) in it: 1- In previous versions, ...
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74 views

How to remove Kubuntu 15.04 without loosing Ubuntu?

I have just updated to Kubuntu 15.04 but in KDE there are lots of problems. After installation is broken. So I need to remove Kubuntu 15.04 completely and reinstall it. Before I was using Kubuntu ...
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1answer
27 views

Can't boot Ubuntu live cd

For some reason i can't boot Ubuntu live cd on my desktop pc while installation media works perfectly on laptop. I'm getting this error : Any suggestions?
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0answers
54 views

update to 14.10 from 14.04 without upgrading to 15.04

How can I update from 14.04 to 14.10? Update manager and do-release-upgrade appear like they will update to 15.04 rather than 14.10. As an additional question all my settings and icons will stay ...
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0answers
9 views

Typing in Marathi on Kubuntu

I am using the latest version of Kubuntu. I am trying to figure out how to type in Marathi in various office programs. I tried ibus before. It worked in a text editor and a browser but did not work in ...
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2answers
63 views

No Login after Update

I've got a pretty serious problem with an Ubuntu on my PC. I can't login anymore over the GUI. If I Login, the Login Screen just change to Black, and a few seconds afterwards the Login Screen appears ...
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0answers
376 views

Update from 14.10 to 15.04 result to a blank screen with cursor after sddm login

I've made a long search thru all posts in the forum, and no one could help resolving my problem: The machine is a desktop with only linux and an nvidia GeForce GT 430. After the upgrade from kubuntu ...
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273 views

Help with Kubuntu 15.04 Boot Repair

After updating from stable Kubuntu 14.04 to Kubuntu 15.04 Boot-Repair started to request an IOS image CD, Update to 15.04 was done via system Software Updater and 15.04 OS image is not available. ...
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59 views

kubuntu 15.04 upgrade fails

Upgrading Kubuntu to 15.04 fails: W:Failed to fetch http://il.archive.ubuntu.com/ubuntu/dists/vivid/restricted/source/Sources 404 Not Found Any help?
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60 views

Reverse mouse scroll in kubuntu 15.04

I've just installed kubuntu 15.04, and turned on the "Reverse scroll direction" option in the mouse section of System settings. This has the desired effect in most windows (eg firefox, dolphin), but ...
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1answer
1k views

kubuntu 15.04 upgrade: many problems

I'll just toss here a list of problems I have with the recent upgrade to kubuntu 15.04 I'll accept that all my settings are gone because of the change of framework 4 to 5 (it would have been nice to ...
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1answer
23 views

Error when i try to download themes or icon

When i try to download a theme desktop or an icon package or something else (plasmoid), the window give me this error Unwknown error of API of collaboration service. So I cannot download ...